Ch 1
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
卡片预览 (24 张)
Biological studies of livestock
• Nutrition/metabolism • genetics/selection • reproduction/physiology • growth and development • production/management • end product
Goal of animal science
To profitably satisfy the needs of humans for food, clothing, emotional well being, shelter, fuel, etc
Cattle (bovine) KPCOFGS
Animalia Chordata Mammalia Artrodactyla Bovidae Bos Taurus, Indicus, Bison
Sheep (ovine) Goat (caprine)
Animalia Chordata Mammalia Artrodactyla Bovidae Ovis artes/ Capra hirius
Swine (porcine)
Animalia Chordata Mammalia Artrodactyla Suidae Sus Scrofa domestica
Horse (equine)
Animalia Chordata Mammalia Perissodactyla Equidae Equus Caballus (horse)/ asinus (donkey)
Chicken
Animalia Chordata Aves Galliformes Phasinanidae Gallus Domesticus
Young intact male cattle Mature intact male cattle
Bull calf Bull
Young castrated male cattle Mature castrated male cattle
Steer Stag
Young intact male swine Mature intact male swine Young castrated male swine Mature castrated male swine
Boar pig Boar Barrow Stag
Young intact male sheep Mature intact male sheep Young castrated male sheep Mature castrated male sheep
Ram lamb Ram/buck Wether Stag
Young intact male horse Mature intact male horse Young castrated male horse
Colt Stud/stallion Gelding
Young intact male goat Mature intact male goat Young castrated male goat
Buck Buck Wether
Young intact male chicken Mature intact male chicken Young castrated male chicken
Cockerel Rooster/cock Capon
Young female cow Mature female cow
Heffer Cow
Young female swine Mature female swine
Gilt Sow
Young female sheep Mature female sheep
Ewe lamb Ewe
Young female horse Mature female horse
Filly Mare
Young female goat Mature female goat
Doe Doe
Young female chicken Mature female chicken
Pullet Hen
Mixed sex twins where th female doesn’t sexually develop normally
Freemartin
Young cow meat Mature cow meat
Veal/calf Beef
Swine meat (young and mature)
Pork
Young sheep meat Mature sheep meat
Lamb Mutton