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Here we feature a text entitled Standards, health and hypertypes in dogs, by Pr. José Luis Payró Dueñas (Mexico) from the book, Standards, Health and Genetics in the Dog. ( Read more about the book here. ) Veterinarian, Professor and President of the Americas and Caribbean Section of Fédération Cynologique Internationale, Pr. José Luis Payró Dueñas discusses brachycephalic traits, and other morphologies that impact function of purebred dog breeds. Brachycephalic breed traits and management are covered in some depth. In the writing Pr. José Luis Payró Dueñas outlines steps breeders adopt to achieve effective selective breeding. Dog breeder's evaluations of breeding dogs based on their and breed judge's interpretations of the Breed Standard, breeder evaluations of dogs' pedigrees and their knowledge of the heritability of observable traits that contribute to disease or health are explored. ..."poor interpretation of the standards can cause a breeder to produce specimens with hypertypes or with deformations that will remain concentrated in the breed, producing hereditary diseases. When evaluating a dog, the judge values the effort and the production of every exhibitor whose aim must not just be the pride of winning, but the goal of fixing the type by not selecting those specimens with the hypertypes that are not desired in the breed." Seeing to health and welfare of dogs is judges' and breeders' responsibility - correct construction and interpretation of breed standards is essential.
"In this Canine Health Foundation webinar Dr. Danika Bannasch, DVM, PhD University of California, Davis, School of Veterinary Medicine, discusses the major advances that have been made in our understanding of the molecular basis for inherited diseases in dogs. These advances, in the form of DNA based tests for breeding animals have changed that way breeders make breeding decisions. During the webinar Dr. Bannasch will discuss the basics of dog genetics, the different modes of inheritance or how genetic traits and diseases are transmitted from one generation to the next and the exceptions to the basic modes of inheritance."
This article contains information from the AKC's Delegate's newsletter, Perspectives along with an article from OFA, How the Orthopedic Foundation for Animals (OFA) is tackling inherited disorders in the USA: Using hip and elbow dysplasia as examples. We are delighted to share an article by Dr. Jerold S. Bell, DVM along with a video presentation given on the topic, Maintaining and Improving Breeds. DWN extends our thanks to Dr. Jerold S. Bell & Edmund Dziuk for sharing with the DWN community!