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Dogs have been around humans for over 30,000 years and have earned themselves the title of humans’ best friends. Since being domesticated, the species has undergone dramatic changes due to selective breeding. People have bred dogs for their advantage, sometimes causing the animals severe health problems. However, only in the 20th century did the selective breeding of dogs become more sophisticated as new methods were discovered.

What Is Selective Breeding, and When Did It Start?

Selective breeding means selecting the species with desirable traits for breeding to increase those qualities in a population. This is usually done to benefit humans and might not always be favorable to the particular animal in its natural environment.

Some of the earliest examples of selective breeding can be found more than 9,000 years ago in Mesoamerica. Humans used to breed teosinte plants, which had a large number of kernels, and this gave rise to corn. 

Why Did Humans Start Selectively Breeding Dogs?

It is believed that when humans shifted toward agricultural societies, they started selectively breeding dogs for a smaller size and more docile behavior. This was done to make living together more comfortable for humans and dogs.

Domestic dogs first emerged as early as 30,000 years ago in Southeast Asia thanks to the selective breeding of wolves. This resulted in over 450 globally recognized dog breeds today.

What Did The Original Dogs Look Like?

Many well-known dog breeds look pretty different from how they did a century ago. We compiled this list of dog evolution comparison pictures with the help of the ‘Dogs of All Nations’ book. Scroll down to see the interesting changes in these dog breeds, and let us know which one surprised you the most.

#1

Pugs 100 Years Ago

Then and now: Pug breed evolution from 100 years ago to today, showcasing selective breeding impact.

Pugs before breeding were roughly the same size a century ago. 100 years ago, original pugs had longer legs and noses and a slimmer build. They were bred to have bigger eyes and flatter noses. Unfortunately, this led to malformed and sick pugs with breathing problems and other health issues.

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kate h
Community Member
5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

Pugs are such great little dogs - happy, friendly, funny and loyal. It's a shame what people have done to this breed and many others. :(

Jilly Von Dee
Community Member
5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

All breeders have done is create health problems for these beautiful animals.

Neva Nevičica
Community Member
5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

People doing this to dogs love to consider themelves dog lovers, destroying their bodies, inflicting them pain to make them look 'cute' (and they are all cute naturally). Stop buying, adopt, so selling deformed dogs won't be profitable any more. But i know it won't happen because a lot of people buy dogs because of their looks and not to have a friend.

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Person
Community Member
5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

Why do people want their dogs to not breath if i had a child that came out looking like this, I'd put it back in

Eloise Arrington
Community Member
5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

They also can have a lot of health problems though... like their eyes popping out...

Dilly Millandry
Community Member
5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

Yes, this is true. Along with the breathing problems they are terribly unhealthy. A friend of mine is a pug owner and he, along with many others I know, have nothing but health problems constantly.

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Elizabeth Clothier
Community Member
5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

I hate what people have done to this breed, and bull dogs too. It's not ok for humans to intentionally "breed" a dog to the point they have trouble breathing their entire life. (And they have other health problems as well), This is probably not a popular comment, but I care more about animal suffering than what anyone thinks about my opinion.

Saara-Elina Kaukiainen
Community Member
5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

Pugs today also have serious back problems. Their skull is too short to function. It's sad, because they used to be an active breed. Now they just suffer through life. :(

Autumn
Community Member
5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

They're also shorter with more folds in their skin. ANd the first picture still isn't close to the original pug....

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    #2

    Bull Terrier 100 Years Ago

    Side-by-side images showing the changes in dog breeds from 100 years ago to today due to selective breeding.

    If you look at the bull terrier before and after, you’ll notice that the face has become shorter, while the jaws and the bridge of the nose have become more prominent. The body shape also became more muscular with shorter legs. This build was created explicitly so the breed could function as a fighting dog during the Victorian era.

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    Ray Heap
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    A handsome dog a century ago, now, not so much.

    Forrest McCanless
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I've always hated the bridge of their noses - and I'm a dog person!

    Dilly Millandry
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I like them, but don't approve of changing them just to satisfy the whim of humans.

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    S Quinn
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    This is not true. There were a few varieties of bull terrier, and the author has them mixed up, as they are often called under their general name ' bull terrier' Google vintage photos and you will see plenty of english bull terriers that looks just like the bottom picture dated from 1920-1930 A minute of research is all that is needed.

    Jane Hands
    Community Member
    4 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    No, sorry, THAT top picture is what the dogs looked like just over a century ago. It has been pretty much down hill since then....

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    Monty Is Fiennes
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    That hasn't been my experience. We've had Roman nose Bull Terriers in my family for hunting dogs and not only are they powerful and very loyal, I have known them to be great lateral thinkers and quite charismatic. They were also very gentle and protective of us as children. My Dad still hasn't gotten over his first one and Jake has been dead 30+ years now.....

    Louise B
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I agree with you. They're lovely dogs.

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    Marlowe Fitzpatrik
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    The ridge of the nose messes with their 3D-vision, since they hardly have any overlapping vision from both eyes. Might be the reason Aunt Messy thinks they're dumb - they're simply half-blind

    Christopher Lee
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Wow, breeders and consumers really ruined that breed!

    Sanja Uzelac
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    It used to be such a beautiful dog!

    Autumn
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I always felt so bad for this breed.

    Dodo
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Must have changed a long time ago. Bullseye in the Oliver musical movie looked more like the 'Now' and that movie is 52 years old.

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    #3

    Irish Setter

    "Selective breeding effects shown in Irish Setter, then in black and white, now in color, highlighting breed changes."

    Irish setters were imported from Ireland to Spain. They haven’t changed much over the years. Now, they have a longer and thicker coat colored a rich, mahogany red. They also have a slightly thinner body.

    Wikipedia commons Report

    Lord Mysticlaw
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    These are such beautiful dogs ❤

    Up All Night
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Long time no see one in real life! They can have such beautiful fiery red color.

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    Foustri
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Setters are great dogs. I grew up with a Gordon setter.

    Dilly Millandry
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    My neighbour has a Gordon Setter. He's as tall and lanky as it is possible to get a setter to be!

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    Johanne Trudeau
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Looks about the same to me... Gorgeous dogs...

    Kathie Frazier
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I heard years ago that the skulls were made narrower or smaller somehow and brain area was therefore decreased and the breed isn’t as smart now. Is this true

    Hermione Granger
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I doubt it because many studies have found that brain size is not linked to intelligence but they may have very well have breed the skulls smaller

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    Merilyn Horton
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    They are attracted to moving cars like magnets, sadly.

    François Goyette
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    They look pretty much the same to me. When I was a kid, I had an uncle who had one of those. The pictures bring back good memories!

    Mark Serbian, PK&RG,W
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Did they breed them to be goofier or were they always so crazy?

    Dorothy Parker
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    In the US in the 1960s to 1970s there was careless breeding due to the great demand. Their heads grew smaller and more narrow, literally bred the brains out of them.

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    #4

    West Highland White Terrier

    Selective breeding results: comparison of a dog breed from 100 years ago and today, highlighting physical differences.

    This adorable dog breed hasn’t changed much. All-white terriers were selectively bred in the 19th century in Poltalloch in Argyll, which led to the development of the West Highland White. The few changes that occurred were their fur becoming a little bit longer and thicker.

    dogsofallnations Report

    Up All Night
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    The old one looked almost like a Cairn terrier. I have read that Westies, Cairns and Scottish terriers were bred together and the breed of the pup was decided at birth - by its color. Quite hilarious, if you ask any modern dog breeder.

    Kimberly French
    Community Member
    1 year ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    not so much that the breeds were bred together but they were one breed that they separated by color and over time selective breeding changed them to be different

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    A Dumbo Octopus
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    The old one has such a lovely sillouette!

    Susan Widomski
    Community Member
    4 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    And hardly ever white - except for right after a bath.

    Ann Abbott
    Community Member
    4 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Terriers are meant to look alert as they did.

    Connie Martin
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Then looks much more erect, alert, and athletic to me.

    Tambot
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I love the shape of the head and nose in the old one!

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    #5

    Old English Sheepdog

    Selective breeding impact: Old English Sheepdog breed comparison, past vs present.

    The Old English sheepdog used to be much shaggier than it is today. Apart from that, this is one of the most consistent dog breeds from 100 years ago.

    dogsofallnations Report

    Russell Ellwardt
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    The present one had more contact with a brush, I'd say.

    Dilly Millandry
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    In the UK we've stopped chopping off their tails just for appearances. They look so much better for it. Dogs deserve their tails.

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    GFSTaylor
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Tail docking used to be normal for the breed, but is banned now in the UK.

    Lyn Moffett
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Probably not much call for dog grooming 100 years ago

    Up All Night
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Yeah, but since they got their hands on the blow dryer...

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    GirlFriday
    Community Member
    Premium
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Shaggy boi (I had one of these growing up and Sam Dog was a very very good boy)

    Dana Grunwald
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    They look still kind and fluffy.

    COcO BAMa
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    the present one looks like a toy

    kingpark Studios
    Community Member
    2 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    f****n hell hes a round boy kick him in the field

    Up All Night
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Not very much difference, which is good.

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    #6

    Basset Hound

    Selective breeding impact: Old vs modern Basset Hound, showcasing physical changes over 100 years.

    There are quite a few recognizable changes to the Basset Hound’s build. The hind legs became shorter, the ears became longer, their face became droopier, and their skin now had more folds.

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    Marcellus the Third
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    None of these changes help the animal much?

    Lou Lopez
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Not really. Those long ears and skin folds can be yeasty and prone to infection while the shorter legs are often deformed and lead to back problems. It does seem like more wrinkles in the face catch scent more effectively (re:bloodhounds), but I would be hard pressed to think of a single instance *I* know of where bassets are commonly used in scentwork (because of those health issues). So overall, the more extreme breeding has done considerable harm to the breed (something guarenteed to be a common theme in this list).

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    A Dumbo Octopus
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I like the before a lot better...the skin folds nowadays just seem like a huge hassle and inconvinience, plus the dogs just look generally unhappier because of them.

    Lord Mysticlaw
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Wow, the ears have basically doubled

    Helen White
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Like most of the changes forced on dogs by show judges/breed standards and breeders these changes are not good. Most basset puppies are not allowed to walk for their first few weeks due to the legs being so weak. Also, the front legs are now noticably bowed and the front paws turn outwards. No excuse for these changes - they have turned a good hunting hound into a mis-shapen freak.

    Caroline Driver
    Community Member
    5 years ago (edited) Created by potrace 1.15, written by Peter Selinger 2001-2017

    The vet I used to work for had 2 Bassets. If they didn't want to move off their beds, they weren't going. I tried grabbing their scruff to make them move and the skin just kept on coming, without the dog! Solid as a bag of coal.

    Caroline Driver
    Community Member
    2 years ago

    This comment has been deleted.

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    Laura Perkinson
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Actually these changes are and do help them hunt better, they use the scent which the ears pick up on the ground to find the quarry.

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    #7

    Dobermann Dog Evolution

    Then and now comparison of dog breeds showing effects of selective breeding over 100 years.

    This dog was originally bred in Thuringia in 1890 by Louis Dobermann. The Dobermann dog breed has a more slender build than before. Their ears used to be cropped and their tail docked, which is now illegal in many countries. They are also not as aggressive as they were before.

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    Call Me AJ
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Yay! His tail is not docked! Cheers for animal rights!

    Ruth Mayfly
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    And the ears are not cropped. I'm sure the first dog's ears were cut to look like that.

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    Karin Gibson
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    The ears are different as they have not been mutilated, plus the tail is not docked.

    Kim
    Community Member
    5 years ago (edited) Created by potrace 1.15, written by Peter Selinger 2001-2017

    The ears in the first picture are clipped, mutilated. The ears in the second picture are intact.

    greenbean
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Ears are different becaus they haven't been cut in the second pic (which is obviously great).

    Joshua Howard
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    We had one in the 70's. They were still considered "dangerous" at the time, but he was the sweetest thing... used to try and sit on my lap, slept at the foot of my bed... Then a group of boys from the neighborhood threw rocks at him, injuring his paw bad enough he needed treatment at the vet. He never trusted another child, including me. Little hoodlums took away my best friend. Yes, I hold a grudge.

    Diana Dodd
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Thanks to animal rights ... Their ears and the tails are no longer being cropped. Otherwise they look the same!

    Johanne Trudeau
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Glad they stopped docking the tail and shaping the ears... They look much kinder now and they are.

    Coco
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    the american dobermann is a joke. European dobbies are still working dogs, and very handsome.

    naylene hess
    Community Member
    2 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I mean most dogs arent working dogs and this one is clearly a show dog considering the unnatural pose. We still have working dogs...

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    gabrielle wolf-stahl
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Weaker neck and headquarters, longer snout.

    Mumof1
    Community Member
    5 years ago (edited) Created by potrace 1.15, written by Peter Selinger 2001-2017

    The upright ears are achieved by cropping, which thankfully, is illegeal in the UK. The ears are cut when they are puppies, they're then proped up with splints, and bound in placeuntil they are "set". I think the cropped ears make them look much more agrressive than they acrually are.

    naylene hess
    Community Member
    2 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Some can just have pointed ears, they look like rabbits lol

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    #8

    Dachshund

    Selective breeding impact: comparison of Dachshund dog breed now and 100 years ago.

    The adorable dachshunds you know today were initially bred to be hunting dogs during the 15th century in Europe. Today, the sausage dogs have a longer face and body. Also, a chest that’s slightly wider and hind leggies that are shorter.

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    Russell Ellwardt
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Longer body and shorter legs. In other words, more health issues.

    E Menendez
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Yes, they have perpetual back issues and easily suffer from varying degrees of paralysis.

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    manon M
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    pauvres bêtes ☹️

    Paula Carr
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    We've had five dachshunds over my lifetime, and none of them had back/paralysis issues. You just have to be careful about their jumping and keep their weight down. They have the greatest personalities, but they're not necessarily friendly to outsiders.

    Marlowe Fitzpatrik
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    To be fair to the breed, there are many different types of Dachshounds. Firstly, there are three hair-types. The short "Wiener Dogs", the long-haired ones (basically short-haired with long, fine hair) and the wire-haired ones, which are also made from mixing in Terriers back in the days. Latest type is the one which gets used in hunting still the most, since they're pretty robust and have terrier-like confidence in themselves (Love them. Would have one if they weren't so short-legged , but if one day there's one to adopt? It's gonna be mine) The short-haired ones are still used for hunting, but they aren't usually as long as the one from the pic. But in general, the long-haired and the short-haired types are longer in the back than the wire-haired ones.

    Dilly Millandry
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    The breeders are making them all head in the same direction - longer body, shorter legs. At the moment the differences you mention do exist but it's gradually changing. People who breed dogs in this manner are nothing short of evil. If they cared about the animal more than anything else they'd reverse the trend - not keep on making it worse.

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    Chocolate Lasanga
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I liked them better back then than i do now, they looked more cute

    Kim
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Hind legs shorter? What about those front legs, how can this poor dog even walk?

    A Dumbo Octopus
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    dachshunds in general just look so sad all the time...

    gabrielle wolf-stahl
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Shorter legs, weaker headquarters, deeper chest straighter back....essentially, loss of functionality...

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    #9

    Newfoundland

    Selective breeding: Comparison of a Newfoundland dog 100 years ago and today, showing physical changes.

    While they appear similar, Newfoundlands were likely much smaller than they are today. ‘Dogs of All Nations’ writes that the breed weighed around 100 pounds in 1915, whereas Newfoundland males can weigh up to 150 pounds today. With so much shaggy fur, you can make different hairstyles for your Newfoundland!

    dogsofallnations Report

    Lord Mysticlaw
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Fun fact: In Disney's 1953 Peter Pan, Nana is a Newfoundland. At the time they were often used as "babysitters" because they're so gentle, but protective of their family.

    Aunt Messy
    Community Member
    Premium
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Newfoundland dogs were on the verge of extinction not that long ago. The remaining dogs were bred back to Saint Bernards, which is why they're bigger now, with droopier faces. Unfortunately, they also inherited the Saint Bernard tendencies to being overweight and heart disease. There are no "pure" Newfoundland dogs any more.

    naylene hess
    Community Member
    2 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Being overweight isnt something they do by themselves lol

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    Gin. No tonic
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I had 2 Newfoundlands, both of them were 100-110 pounds (45-50kg), because they lived outside, had plenty of exercise and were never overfed. Vet was happy with how fit they were. My dogs looked very much like to "old" breed, and that was 3-25 yrs ago. So maybe be that weight gain is more about the way humans treat them differently now? I.e. usually not really a working dog anymore, are they? Also, the "now" dog is well brushed, so his head looks bigger (fluffier).

    Suzanne Haigh
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Legs look shorter to me, even taking in the longer hair.

    Bird Mom
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    My uncle used to have one of these. He sat in the corner of the apartment and drooled. Whenever I walked in the kitchen, I had to avoid puddles of saliva.

    Bruce Alan Wilson
    Community Member
    3 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    You can't take them to the beach, because if they hear someone splashing around and shrieking in the water, they will try to 'save' the person---no matter if the person doesn't WANT to be saved.

    Full Moon Siberian Huskies
    Community Member
    4 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Their top line is more even then it used to be in the past

    Full Moon Siberian Huskies
    Community Member
    4 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Their hind legs are more level with their top line than they used to be it looks like

    Martin Andrijasevic
    Community Member
    4 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Why did breeding shorten everyones rear legs?

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    #10

    German Shepherd Dog Breeds 100 Years Ago

    German Shepherd showing selective breeding changes over 100 years, from historical to modern appearance.

    German shepherd puppies and dogs have become larger. Their fur has also become longer and thicker. Their skeletons have changed, and their chests are now wider. Studies have shown that these dogs are predisposed to health conditions like arthritis because of how they have been bred in recent decades.

    Wikipedia commons Report

    Forrest McCanless
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I hate that modern ones' back legs have been tailored to make them appear crouching and cowed.

    Lord Mysticlaw
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    They also have a lot of problems with their hips and backs now because of the low slope of the back 😭 I've seen working GSDs who are retired at the age of 4 years because they have arthritis and are in so much pain (at least they were allowed to retire and not forced to keep working, though).

    Up All Night
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    The working type is different, though. At least in Europe, some working lines look almost like the old ones and they try to breed them to be healthy and robust.

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    Coco
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    The german shepperds transformation is pure evil. They are creating dogs born to live in pain. Absolutelly disgusting.

    Tash
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    We've done terrible things to this breed

    Marcellus the Third
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    "Become larger" to the extent they're now replaced by slightly smaller Malinois in practically every job.

    Up All Night
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Malinois is a very beautiful dog. I hope they never change their standards.

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    Autumn
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Their backs have become so sloped it's terrible!! It's hard to find a breeder that doesn't have dogs with sloped backs. Luckily tho I know an adorable Shepherd who has a straight back and a black coat. Gus is adorable. :)

    Dilly Millandry
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Dogs like that are the ones that should be bred from - not for money but to improve the mistakes that have been bred in more recently. About time this was stomped on hard by animal welfare organisations.

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    Karin Gibson
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    The old dog looks so much healthier.I hate that the poor hips and spines that has been bred into the german shepard. Just compare it with the belgian shepard to see the damage done to the breed.

    Karin Gibson
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    The problems with the hips and spine has been bred into them which is a shame. They looked so much healthier 100 years ago.

    Linda Whitelock
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Thank goodness they are starting to breed them without the sloping backs. The three I have had were all straight backed but semi coated - personally I prefer the semi long coats but not what the KC wants

    Sue McDaniels
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    My 4 had straight backs, one had Czech breeding.

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    #11

    Scottish Terrier

    Old vs modern dog breed, showing changes in Scottish Terrier from 100 years ago to today.

    The coat of the Scottish terrier is now much longer, softer, and has a slightly different texture. 100 years ago, their coat used to be more wiry.

    dogsofallnations Report

    Journey Alvarado
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    why do people breed dogs to die so fast and make life harder ?

    Chocolate Lasanga
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    yea thats the worst they should make a dog that lives as long as humans you that they can be lifelong friends!!!

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    gabrielle wolf-stahl
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Shorter legs, longer hair over the face... 2 reasons that make getting around more difficult...

    manon M
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    l'ancienne version est bien mieux

    Kennedy Longworth
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Je suis d'accord! Je pense que j'aime les chiens à fourrure plus courte de toute façon.

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    Sue Clifford
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    This is the last one I can look at, it’s too depressing. I wish I could take each dog into my arms and tell them how sorry I am for what humanity has done to them.

    Andrea Delden
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    The former breed was probably able to do his job better with a rougher coat.

    Gloria Hafner
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    they have always looked good on the whiskey bottle. More so after an empty glass or two.

    Call Me AJ
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    The Scottish Terriers went through quarantine. Look at all that hair!

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    #12

    Airedale Terrier

    "Selective breeding impact: comparison of a dog breed from 100 years ago and today."

    These sporting and playful dogs haven’t changed much over the years. They have a shaggier coat and a longer face with more fur. These dogs are considered to be the largest of all terriers.

    unknown Report

    Red
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    square dog to the rescue :D

    Exotic Panda
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    yes we shall! we will give him all the bones!

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    Maryam Abdur-Rahim
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Is it just me or does the first photo look like a drawing.

    Steve Barnett
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    What was wrong with the 'then'? If it ain't broke...

    Up All Night
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    They were trimmed differently, that's all. You won't believe how poodles looked like back then with their corded coat...

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    Heather Hayllar
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Looks more like dog groomer got its hands on this younger dog

    DebJay
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Love Airedales, still miss mine.

    Lorena Magee
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    The old one looks like a drawing

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    #13

    Rottweiler

    Historic vs modern Rottweiler showing selective breeding effects over 100 years.

    There have been quite a few physical changes in the Rottweiler breed. They have a shorter snout, a more robust jaw, and a different head shape. They also don't have a docked tail anymore, and their coat is now coarser than it was before.

    Wikipedia Commons Report

    Forrest McCanless
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Uh - by "longer tail" do you mean "not docked"?

    sivanphoenix
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    It says "Rottweilers today don't have a docked tail anymore" now.

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    Ray Heap
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    That´s because the tail was cropped, thankfully that malpractice is illegal in civilized countries.

    gabrielle wolf-stahl
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    The face is now snubbed and the skull is more squared

    Stephanie Did It
    Community Member
    5 years ago (edited) Created by potrace 1.15, written by Peter Selinger 2001-2017

    A book called Beautiful Joe by Margaret Saunders was published in 1893 that was written as if from the dog's viewpoint. It explained the horrific damage caused by ear- and tail-docking (temperature maintenance and balance ruined) and made animal cruelty a public issue for the first time. Ms Saunders published it under a male pseudonym so she would be taken more seriously. Because of its influence, this book led to the first animal protection laws in Canada and the US. It is still worth reading!

    Samantha Lomb
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Plenty of Rotties still have their tails docked

    Dilly Millandry
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Not in the UK. Completely illegal. Thankfully.

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    Paula Hobbs
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    My rottie has a long beautiful tail that tells me exactly what he needs and when he needs it! Also, the absolute best and smartest dog I've ever had. He's my bestie!

    Allison Leigh
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Unfortunately, it's still super common to dock their tails in the US

    Saara-Elina Kaukiainen
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Their skull is shorter and wider, they are much heavier and have jowls. At the moment there are breeders who are trying to make them more pug like... Disgusting.

    Person
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    my first dog had a docked tail and so when ever I saw the same kind of dogs with tails I thought they were fake

    E B
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    It helps when docking tails becomes less 'fashionable'

    Dilly Millandry
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Only because animal welfare organisations fought to get the practice made illegal. Breeders really hated that. I know because I was part of the fight to stop the practice in the UK.

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    #14

    Shetland Sheepdog

    Comparison of dog breeds affected by selective breeding: vintage vs modern.

    Although the Shetland Sheepdog is considered a tiny dog, it has doubled in size over the years. Its fur also became longer to help it cope and survive harsh weather conditions.

    unknown Report

    Marlowe Fitzpatrik
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    But... they're tiny NOW, how have they been even smaller back then?

    Dilly Millandry
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    They must have been positively wee! The Sheltie is a descendant of small specimens of the Scottish Collie and the King Charles Spaniel. They don't vary that much in size (if you use breed standards) but people sometimes confuse them with very similar looking breeds.

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    Jane Hands
    Community Member
    4 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Breed standard is and always has been 15 ins. Not sure where the idea they were smaller came from- Shetland sheep are NOT for the faint hearted! No wee tiny dog would get eve a "how are you" from a Shetland sheep, they would too bust laughing!!

    Loki’s Lil Butter Knife
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I adore Shetlies, they are such incredibly lovely, loyal, and intelligent dogs.

    GirlFriday
    Community Member
    Premium
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Smol Lassie Boi

    Grumble O'Pug
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    AND it lost a substantial amount of bone. It's now a spindly thing with issues. And a terrible personality.

    Dorothy Parker
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    They look just like miniature collies now. Intentional?

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    #15

    Boxer Breed 100 Years Ago

    Comparison of dog breeds from 100 years ago to today, highlighting changes from selective breeding.

    Boxers are the weirdest and most adorable dogs because of their energetic personalities. This breed emerged due to the selective breeding of smaller Mastiff breeds and bulldogs. Their original body shape was altered, while their faces, which used to be longer, are more downturned. 

    dogsofallnations Report

    GeoSushi
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Isn't the first picture a Boston Terrier?!?!?

    PauPain
    Community Member
    5 years ago (edited) Created by potrace 1.15, written by Peter Selinger 2001-2017

    The long thing on a dogs head that ends in a nose is not called a face, it is a snout.

    manon M
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    c'était un Staff avant quoi

    Lis Gentil
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    OK, did someone REALLY downvote this because it's FRENCH? I don't know what it says or why whoever downvoted did so, but if someone downvoted a comment only due to the fact that it's in another language, you need some explaining to do.

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    Wonderful
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I was at the pet store pre-covid one day and I saw a guy carrying around a baby boxer that looked about 8 weeks old. Just tiny. And he was holding it like a baby. I go to pet the cutie and I see the horror and pain this poor dog was in. It had very fresh cut ears that were all stitched up and crusty and a missing tail with dried blood and stitches. He must have just picked her up from wherever he got her mutilated. I wanted to punch the guy in the face repeatedly but I didn’t want to put the poor baby in any more pain. Don’t dock your pets. Please.

    gabrielle wolf-stahl
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Another breed with weaker headquarters and a messed up back

    Marlowe Fitzpatrik
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    It's actually called "hindquarters". Headquarters is where you meet to take over the world 😅

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    Lord Mysticlaw
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Wow, it seems like quite a big difference

    fatstacks89
    Community Member
    1 year ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    That first dog is not a boxer it's an old time boston terrier look it up

    Gregg Long
    Community Member
    4 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    The ancestor of all Boston Terriers apparently

    Viv Hart
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    They've got their tails and ears back Yay!

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    #16

    Great Dane

    Selective breeding impact: comparison of a dog breed 100 years ago and today, showing physical changes over time.

    Great Danes are huge! These long-legged dogs used to weigh less than they do today. According to “Dogs of All Nations,” they used to weigh around 120 pounds, while today, males can reach up to 175 pounds. They also used to be used as hunting dogs.

    unknown Report

    gabrielle wolf-stahl
    Community Member
    5 years ago (edited) Created by potrace 1.15, written by Peter Selinger 2001-2017

    Again with weaker headquarters and back and now a squarer, more jowly jaw

    Becky Samuel
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Along with a vastly reduced life expectancy.

    Dilly Millandry
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Yep - people think 'ooh, let's have the biggest dog possible' forgetting that there is a trade off. One that really isn't worth it. Keep them smaller and let them live longer.

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    Marlowe Fitzpatrik
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    That first one is really superstructed hind-quarters. But that's one breed that shouldn't exist in its current form... Makes me sad.

    Full Moon Siberian Huskies
    Community Member
    4 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I disagree I feel that their topline has greatly improved

    Robsaint
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    At least his ears are intact unlike the first pic! There are many practices that are frowned upon nowadays which existed back then. Not all has changed for the worst! The first didn’t look overly healthy with his arched back either.

    Kimberly French
    Community Member
    1 year ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    and more recently they're turning them into neoplitans

    Splashstorm
    Community Member
    3 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I bet drooling used to be average also. Sheesh!

    Susan Mill
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    SEETHE DOGS BRED AT SERVICE DOG PROJECT IN MASSACHUSETS

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    #17

    Chow Chow

    Selective breeding effects: a dog breed comparison from 100 years ago and today, highlighting changes in appearance.

    These adorable fluff balls weighed around 50 pounds a century ago. Today, they weigh up to 75 pounds. In addition to this, the faces of Chow Chows have become more wrinkly. Humans bred the Chow Chow with thicker coats to be better suited for work in the snow.

    dogsofallnations Report

    jevais
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    What happened to this once beautiful dogs? Why a shorter jaw and make them so wrinkle? Stupid breeders!

    Mer☕️🧭☕️
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    It's like they want to breed the "dog" out of dogs and I just don't understand that. If they don't like the look of a dog, don't get a dog. Just leave them alone.

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    Marlowe Fitzpatrik
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    They were a very versatile breed - even used for hunting. They can hardly trot for 10 km the way they are now. I know of two, though, that are close to the original because there are some very rare breeders who try to keep the old style alive.

    Allison Leigh
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    All the people here like "so cute!" have never met an actual Chow IRL. A few can be friendly but most are aggro AF since they were bred as guard dogs.

    rustyscate
    Community Member
    Premium
    1 month ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    It depends on the owner just like everydog

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    Saara-Elina Kaukiainen
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Again, skull is way shorter than before. I don't get it, what is so "cute" about round head?

    Marcellus the Third
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Their owners have similarly gone up in weight, nothing to see here.

    Typical Horse YT
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Oh man.. the face is so scrunched up they can barely breathe :(

    Among Us
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Dog? What dog? You mean that sheep?

    Olivia Masterson
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I found one thrown away in a ditch when I was 5 years old, named him Barbershop I loved that dog.

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    #18

    Saluki

    Comparison of dog breed from 100 years ago to today, showing effects of selective breeding.

    The Salukis have become even taller than they were before. Today, they are also thinner, with longer ears and legs. These dogs love companionship and enjoy being around people.

    unknown Report

    Bird Mom
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    The Saluki in the now looks malnourished. YOu can see its rips

    Karin Gibson
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    That Saluki looks as though it could do with a square meal or ten.

    Allison Leigh
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Yeah I feel like animal control might ask to see vet records for that second one. I understand some dogs have slender builds but the protruding hip bones and the super obvious veins popping out make me wonder if the dog's malnourished or has something else going on....

    Autumn
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    PauPain: another breed I constantly see overweight is Labrador Retrievers. THEY ARE NOT MEANT TO TODDLE AROUND LIKE PENGUINS. so many are so obese that's it's definitely going to cause health problems. Screenshot...7a22af.png Screenshot-2020-11-04-at-84603-PM-5fa35977a22af.png

    Autumn
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    That is what many labs and dogs in general look like now. They should looks similar to this. Screenshot...906061.png Screenshot-2020-11-04-at-84553-PM-5fa359b906061.png

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    PauPain
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I love comparing and reading old dog breed books and I have actually collected books where my own breed is included in. However, this was disappointing. But it is a great idea for a piece! Some tips: 1. Choose pictures where the dogs are posed in a similar fashion and if you can't see much under the fur that doesn't mean anything didn't change. It is just fur. 2. The obvious: tail docking and grooming. 3. Maybe next time actually do some research. I am not interested in some random "observations", you could provide us with interesting facts! There is so much breed history here. 4. If you don't want to do research, post it as it is. Leave it up to discussion. People might know more, comments and discussion.

    Tash
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Salukis are beautiful but always look like they need feeding up

    Analyn Lahr
    Community Member
    5 years ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I think the modern dog needs to be fed.

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    Which Selective Breeding Example Shocked You the Most?

    Seeing how popular dog breeds have transformed over 100 years is fascinating. Although selective breeding has added many great qualities, it has complex harmful effects on some dog’s health. That’s why it is crucial not to encourage breeders to cut corners due to high demand. The best way to keep dogs safe and healthy in the long run is to adopt, not shop