Instituteofcaninebiology.org

Health of purebred vs mixed breed dogs: the actual data

WEBHere is what they found: 1) The incidence of 10 genetic disorders (42%) was significantly greater in purebred dogs. 2) The incidence of 1 disorder (ruptured cranial …

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URL: https://www.instituteofcaninebiology.org/blog/health-of-purebred-vs-mixed-breed-dogs-the-data

What does "health tested" really mean

WEBA "health tested" puppy with a coefficient of inbreeding of 30% is an oxymoron. Preventing the 25% risk of a known disorder, then breeding with a 30% risk …

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An update on the genetic status of the Doberman Pinscher

WEBThe Doberman Pinscher is in serious trouble. About 60% of the breed is afflicted with dilated cardiomyopathy (DCM), with 13% affected by the time they are 6 …

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Understanding the heritability of behavior in dogs

WEBHere is a formal definition of heritability: Heritability is the fraction of the variation in phenotype of a trait that is accounted for by the variation in genotype. …

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Solving the problem of genetic disorders in dogs

WEBMost genetic disorders in dogs are not caused by a new mutation, but by mutations that are ancient, originating in some animal hundreds or even thousands of …

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The key requirement for preservation breeding

WEBEverybody that breeds purebred dogs wants them to be happy, healthy, and long-lived. We also want to protect and preserve dog breeds for future generations, to …

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The easiest way to improve hips and elbows

WEBThere are two critical leg joints that are not designed to absorb shock - the hip, which is a ball-and-socket joint, and the elbow, which involves the complex articulation …

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Why do dogs have so many genetic disorders

WEBThe OMIA table lists a total of 619 traits/disorders for dogs, 240 of which are thought to be Mendelian, and for 165 of those the mutation and mode of inheritance is …

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An update on hip dysplasia in dogs

WEBHip dysplasia remains one of the most significant causes of pain and disability in dogs despite decades of research into the causes and diligent efforts by …

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Three key strategies to reduce genetic disorders in dogs

WEBHere are three basic principles of sound genetic management that breeders can adopt to reduce the frequency of genetic disorders in their breed. 1) Increase the …

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The "catastrophe" of cross-breeding: meet the Borgis

WEBThere is growing recognition that loss of genetic diversity from the gene pool of a breed over the generations is having the unwelcome result of increasing the burden …

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Purebred vs Mixed (UC Davis)

WEBNOTE - This study received considerable press because of controversy among breeders and the public about whether purebred dogs are more afflicted with genetic disorders …

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Do your puppies have enough traction in the whelping box

WEBIn the case of the puppy, it tries to walk by pushing backwards with the hind legs, and if traction is not adequate, the legs and even the feet will extend to the …

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The 10 most important things to know about canine hip dysplasia

WEB8) Nutrition is important. While puppies are growing rapidly, it is critically important to get their nutrition right. Growing puppies need to eat enough to support growth but they …

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COI FAQS: Understanding the Coefficient of Inbreeding

WEBThe coefficient of inbreeding is the probability of inheriting two copies of the same allele from an ancestor that occurs on both sides of the pedigree. These alleles are "identical …

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How much does outcrossing improve genetic diversity

WEBThe F1 from a cross of the recipient (Saarloos) and the unrelated donor breeds will have an inbreeding coefficient of 0%. They found that a single outcross …

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Brachycephaly: it's more than just the pretty face

WEB11/2/2015. By Carol Beuchat PhD. A paper just out this week (Packer et al 2015) has highlighted the increasing concern about the physiological problems associated with …

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Bulldog breeders: a call to action

WEBThe bottom line: Bulldogs suffer from a growing list of health issues, but improving the health of the breed might be difficult or impossible because homozygosity …

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The genetic status of the Cavalier King Charles Spaniel (part 1)

WEBFor Cavaliers with average inbreeding of 40%, this means that, on average, the parents of a litter are more closely related than littermates. On the chart in that …

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