Genetics

Basic Genetics of Chocolate (Liver) Coloration in the Canine.

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Most black, brown, and yellow colorations are due to the presence of melanin class pigments. The word melanin is derived from the Greek word for black, and is commonly used to refer to the two or three known chemicals similar to each other, which produce the above color families.

The Shoulder in the Working Dog

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When we speak of a shoulder in a dog, we usually include a lot more than just the scapula (shoulder blade) — although the flat, broad bone is often the center of attention. No part of a dog exists alone, not even those “floating” bones such as...

Options in Treatment for the Dysplastic Dog

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I am frequently approached by people who have bought “the love of their lives” or a show or working-prospect puppy, only to find out it does not have what most responsible fanciers would call “breedable” hips.

The Nature of Genetic Disease


Many people label any problem that appears to be inherited a "genetic disease." However...

Guide to Hereditary and Congenital Diseases in Dogs


A list of 148 purebred dog breeds, each of which is accompanied by a number or series of numbers that correspond to the genetic diseases identified and described in Section II.

ELIMINATING MUTATION:
THE IMPOSSIBLE DREAM


Though it is not practical to eliminate all deleterious mutation, the incidence of affected individuals may be significantly reduced through a combination of intelligent breeding practice and the development of DNA tests.

TREATMENTS FOR ELBOW DISORDERS

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Often, the dog that is diagnosed with mild ED of one sort or another belongs to someone active in the sport end of the dog game, having no plans to breed but wanting to do obedience or schutzhund work.

INBREEDING AND DIVERSITY - PART 4

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It is up to the individual breed associations to establish standards for breed composition, but we can provide a tool for studying possible rules. The following table is an excerpt from the second table above. The shaded portion of the table represents matings that are not permitted by the proposed breed association rules presented earlier. We are interested in answering the question...

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