Breeds, Varieties, and Strains Flashcards
Roughly, how many combinations of physical features exist in poultry?
Over 350
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What are the 3 categories used to distinguish chickens?
Class, breed, and variety
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What is a class?
A group of breeds that originates from the same geographical area
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What are the poultry classes?
American, Asiatic, Continental, English, Mediterranean, and All Other Standard Breeds
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What is a breed?
A group that shares a given set of physical features, such as body shape, skin color, carriage, toes, and shanks
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What is a variety?
A sub division of a breed. Examples include plumage color, comb, beard and muff
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What is a strain?
Families of breeding populatioa that posses common traits, usually to product of specific breeding
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When were the majority of common breeds and varieties in the United States bred?
Between 1875 and 1925
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As the commercial egg and poultry meat industries developed, how did emphasis on breeding change?
The emphasis shifted from success being measured in terms of individual birds to success being measured in the whole flock, basing nearly the whole commercial industry on the strain approach
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How do commercial breeders find new material for their gene pools?
Through fanciers and hobbyist.
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What is the book that the American Poultry Association issues in reference to breeds and varieties?
The American Standard of Perfection
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What does The American Standard of Perfection include?
Breeds and varieties, size, shape, color, and physical features described and illustrated in detail
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