How does over breeding a dog cause bone problems?

March 4th, 2010 | by admin |

i was watching Dogs 101 on animal planet it i have heard a few times "Due to over breeding, this dog breed has __ problems"

usually hip and joint
how does over breeding cause problems? i would just think it causes too many dogs

"Over breeding" is the term used for breeds that have had a very popular "run" which usually results in every byb and mill in the universe wanting in on the big$$$$ that they can make from breeding any example of the breed. So instead of the breed being in careful, dedicated hands, the majority end up with "breeders" that do no testing, and don’t really care to preserve, maintain or improve the integrety of the breed. They just breed for money, flooding the breed in question with poor specimens and genetic disasters.

  1. 8 Responses to “How does over breeding a dog cause bone problems?”

  2. By sarell on Mar 4, 2010 | Reply

    Defects in the breeds that you join together. That’s why they made it illegal for first cousins to marry
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  3. By MY NEWF IS SMARTER THAN YOU on Mar 4, 2010 | Reply

    Because people that are NOT responsible breed their dogs WITHOUT clearing them for health problems like hip and elbow dysplasia.
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  4. By Peter V on Mar 4, 2010 | Reply

    because an irresponsible backyard breeder will take a dog that has hip or bone problems and breed it again…. so it’s offspring have hip and bone problems…. then the offspring get bred, and their offspring have hip and bone problems. etc.
    A good breeder knows to stop breeding a dog with any problems like this.. and to never "line breed".
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  5. By Basset on the Stove on Mar 4, 2010 | Reply

    It’s because when a breed is overly popular, all kinds of people start breeding them that don’t have a clue what they are doing, so you end up with lots of defects.
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  6. By Bethnyc on Mar 4, 2010 | Reply

    a responsible breeder makes sure their breeding dogs have been genetically tested for soundness orthopedically and their eyes are tight (esp. important for breeds like a pug or boston terrier or peke) and their hearts are healthy. You don’t find this out by a reg. vet health check which is what byb’s will say they do to prove their dogs are healthy.. not so. The are specialized tests that cost money. If the breeding dogs aren’t tested, then they have the potential to pass on any problems to the next generation…
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  7. By Marti on Mar 4, 2010 | Reply

    "Over breeding" is the term used for breeds that have had a very popular "run" which usually results in every byb and mill in the universe wanting in on the big$$$$ that they can make from breeding any example of the breed. So instead of the breed being in careful, dedicated hands, the majority end up with "breeders" that do no testing, and don’t really care to preserve, maintain or improve the integrety of the breed. They just breed for money, flooding the breed in question with poor specimens and genetic disasters.
    References :
    30 years pro dog groomer, breeder, trainer, exhibitor

  8. By KoAussie on Mar 4, 2010 | Reply

    Health issues like hip dysplasia are considered polygenetic with environmental influences. Both parents have to contribute some genes for the propensity to occur and this can happen whether they are related or not. Once the genes are in place, the diet, weight and manner of exercise a dog receives will further determine the severity of the problem. However if a dog has not inherited genes for HD, these environmental issues have no bearing.

    Inbreeding can increase the odds of bad genes being passed on to offspring IF they already exist in the parents DNA. If a breeder has carefully screened for genetics diseases, the chances of bad genes being passed along is greatly reduced, even when linebreeding.

    Every year more disease markers being located within the dogs DNA and tests are developed to screen for carriers of many of these: Collie Eye Anomaly (CEA) Progressive Retinal Atrophy (PRA) and AHT inherited cataracts are just some that now have DNA tests available.

    Unfortunately, there are no DNA tests for things like Hip and Elbow Dysplasia or Epilepsy, two of the most devastating issues in canines. Research continues and until that time, breeders must work with background knowledge and screening tests that look for symptoms of orthopedic diseases as their sole tools. Inbreeding and linebreeding don’t contribute to the issue if the breeders have thoroughly researched and eliminated the problem producers.
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  9. By papaw on Mar 4, 2010 | Reply

    Over-breeding generally refers to:
    1) Breeding your dog too often./ If you breed your dog at all and you are NOT a qualified, knowledgeable, certified breeder, you have no business trying to breed a dog. If you fit this category, all your animals should be spay/neutered. Here, overbreeding is because reckless breeders help overpopulate with unhealthy dogs.

    2) Unscrupulous breeders use line breeding and inbreeding to get a particular trait in a dog, such as size or color. This works against the breed in that it makes for sick, crippled, mentally inept, or otherwise unhealthy offspring, just like incest breeding in humans.
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