ACBS 160D1 Lecture Notes - Lecture 14: G.I. Bill, Zygosity, Thoroughbred
14 Sep 2016
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Document Summary
Rise of the pedigree dog: breeding for perfection- Change from pal and working partner to status symbol and fashion statement began in late 1800s with. Founding of american kennel club (dogs for sport hunting) among the. Dog shows soon followed increasing the popularity of pure breds. Pure bred dogs became widespread after wwii with gi bill making house purchase with a yard available(popularity of shepherds and dobermans as watchdogs) Toy, non-sporting, herding, sporting, hound, working, terrier. Inbreeding causing major morphological, physiological, neurological problems ( train wrecks ) Inbreeding is mating together of closely related dogs: The 400 or so dog breeds of today come from small pools of sizes over last 200 years. Hereditary diseases are the rule not exception among purebreds: 350 disorders hidden among the 19000 genes of dogs. For example, all 20,000 akc registered portugese water dogs trace back to 31 animals; 90% from only 10 dogs (extreme inbreeding) Bulldogs (morphology for latching on to bull"s nose)
