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How a 100 Years of Breeding Has Ruined Some Dogs

How a 100 Years of Breeding Has Ruined Some Dogs

We probably don’t have to tell you that when it comes to getting a dog, rescuing – either from a reputable rescue or an animal shelter – is ten times better than buying from a breeder or pet shop. New insights into how breeding has changed many dog breeds deepens the issue.

Just check out this image on the left from the 1915 book, Breeds of All Nations by W.E. Mason. The photo on the right is of a modern Bull Terrier.

Science of Dogs collected these old photos and said of the bull terrier comparison, “It seems incredible that at one time the Bull Terrier was a handsome, athletic dog. Somewhere along its journey to a mutated skull and thick abdomen, the bull terrier also picked up a number of other maladies like supernumerary teeth and compulsive tail-chasing.”

Of course, dogs (and all other animals) can be expected to change naturally throughout the years and will continue to pick up genetic diseases. But the problem begins when breeders intentionally select to breed for traits that result in diseases. “Improvement,” if speaking directly to looks, isn’t really improvement at all. If it’s making them ill, how is trying to make a “cuter” dog really all that important? And when it comes to getting an animal for your family, how much should looks really matter anyway?

Here are some other examples from the site of dogs who have changed significantly over the years:

“The Basset Hound has gotten lower, has suffered changes to its rear leg structure, has excessive skin, vertebra problems, droopy eyes prone to entropion and ectropion and excessively large ears.”

“A shorter face means a host of problems. The modern Boxer not only has a shorter face but the muzzle is slightly upturned. The boxer – like all bracecyphalic dogs – has difficulty controlling its temperature in hot weather, the inability to shed heat places limits on physical performance. It also has one of the highest cancer rates.”

The English bulldog suffers from almost every possible disease, says on Science of Dogs. They die at the median age of 6.25 years, according to a 2004 survey by the Kennel Club. And their proportions make mating or birthing almost impossible without medical intervention.

Visit Science of Dogs to see how other breeds, including the Dachshund, German Shepherd and others, have changed over the years.

We hope, as always, that if you decide to get a new dog, you consider adopting a mutt. But if you’re insistent on getting a “purebred” (whatever that means anymore), please do your research both into the breed and the breeder you’re considering using.

Sources: Sploid, Dog Behavior Science

Read more: Animal Rights, Dogs, Pet Health, Pets, , , , ,

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Lo Lankford

Lo Lankford is a recent Los Angeles transplant after a decade in the Big Apple. In her "spare time" (ha!) she used to run a dog rescue called Badass Brooklyn and helped save over 400 dogs. Otherwise? Nerd'do well, whistle blower, proud hillbilly from the sticks.

232 comments

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1:26PM PDT on Jun 11, 2014

I think the german sheperd is also included in the "ruined" dogs.... Humans are never happy, they have to change everything!!

2:21AM PDT on Mar 29, 2014

first - it´s sad that in breeding animals humans just breed for looks and not also for health and well-being of the animal.

second @Robin C.: it seems that no chance is too small for you to let off some stupid racist abuse.

6:27AM PDT on Mar 27, 2014

What is man trying to make? Are his values correct?

6:18AM PST on Mar 6, 2014

It's not just dogs (and cats):-
Because Mohammed married a cousin (and it's in the Q'ran), Muslims have had 700 years of inbreeding - and not just first cousins, usually double first cousins (i.e. on both the mother's and on the father's sides)
http://www.dailymail.co.uk/news/article-1392217/Muslim-outrage-professor-Steve-Jones-warns-inbreeding-risks.html

5:02PM PST on Feb 15, 2014

It's not just dogs. Breeders do the same things with purebred cats. I had wanted to breed Persians until a breeder told me that the females usually need assistance birthing their kittens and even figuring out how to care for them. No thanks. The male cat I bought from her and neutered had an immune disorder which resulted in him having chronic ringworm, no matter which drug my vet had me try. I finally had him euthanized at 13 because of his skin problems and also the fact that he would forget what the litterbox was for and was ruining my floors. I now have 4 cats, 3 of which are rescues, all are mutt cats and one puppy who is mostly Australian Shepherd with some border collie and heeler mixed in that I got from a friend. I breed goats instead. Their standard calls for healthy, functional dairy animal.

5:43PM PST on Feb 8, 2014

Thank you for sharing this.

2:52AM PST on Feb 6, 2014

Very interesting article .. thanks a lot for sharing!!! :)

12:43AM PST on Jan 31, 2014

Discusting
I I only live whith rescue dogs but if i cant understand people that "by" sick dogs...

7:24AM PST on Jan 30, 2014

Never, never be afraid to do what’s right, especially if the well-being of a person or animal is at stake. Society’s punishments are small compared to the wounds we inflict on our soul when we look the other way.
Dr. Martin Luther King

12:27AM PST on Jan 29, 2014

Thanks for the info

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Disclaimer: The views expressed above are solely those of the author and may not reflect those of
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