Animal Science 1 Breed Review
Terms in this set (64)
generally more muscular overall. Typically larger in stature and grow faster than females. Often exhibit extra muscle in the neck area.
slower growing and have less muscle overall than the intact male. Look for evidence of male genitalia such as a sheath to distinguish from females.
larger body structure than immature females. Mammary glands more evident even when the animal is not lactating.
smaller stature than mature female. Examine genitalia to distinguish from young male animals.
Ways that breeds are categortized by their phenotypic traits
Color and/or color patterns, frame and size, degree of muscling, environmental adaptations
Frame and size
heavy versus light boned, tall versus short, long body versus short body, etc.
Degree of muscling
amount of muscle overall as well as more muscle in a particular section of the animal such as the hindquarter.
example - extra skin to improve heat tolerance and insect resistance
Beef Cattle Breeds
Angus, Horned Hereford, Charolais, Brahman, Simmental, ETC
black, polled, origin is Scotland, most registered breed, and high carcass quality.
red with white face, horns, origin is England, docile, good foragers.
white to light straw color, horns, origin is France, larger in stature.
light gray to black or red, origin is India, hump, loose dewlap, resistant to insects and tolerant to heat.
no set color pattern, large frame, rapid growing animals.
Other beef cattle breeds
Shorthorn, Polled Herefords, Santa Gertrudis, Gelbvieh, Limousin, Texas Longhorn.
American Landrace, Duroc, Hampshire, Yorkshire, ETC
white, long body, big loped forward ears, large litters, mothering ability, originated in Denmark.
red, drooped ears, growth rate and feed conversion.
black with white belt, erect ears, muscle and carcass leanness.
white, erect ears, large litters, feed efficiency, growth, mothering ability, long carcasses.
Other swine breeds
Poland China, Spotted Swine, Tamworth, Berkshire, Chester White.
No breed registries for poultry unlike
other farm animals.
Most commercial producers develop their own "breeds" through
crossbreeding different strains/breeds.
Broiler chicken breeds
Plymouth Rock, Common Cross
Egg Laying Chicken Breeds
White Leghorn, Rhode Island Red, Dominique, Brahma
White Leghorn Crossbreeds
white plumage (feathers), lay white eggs.
Rhode Island Red Crossbreeds
red plumage, lay brown eggs.
Other strains of chickens
Dominique, Brahmas, etc.
Common Cross for Broilers
Plymouth Rock (female liner) x Cornish (male liner).
Turkeys Grown for Meat Consumption
Broadbreasted Bronze, Broadbreasted White, Beltsville Small White
black plumage. Largest of turkey varieties. Has poor fertility and reproductive problems.
large turkey with white plumage. These turkeys survive better in hot climates. Very popular variety of turkey.
Beltsville Small White
developed by the United States Department of Agriculture to provide a smaller turkey based on consumer demand. Averages about 10lbs less in mature body weight as compared to other varieties.
Dairy Cattle Breeds
Holstein, Jersey, Ayrshire, Guernsey, Brown Swiss
black and white color pattern, largest framed dairy breed, highest quantity milk producer.
cream to light fawn color, smallest framed dairy breed, high butterfat content in milk.
Other dairy cattle breeds
Ayrshire, Guernsey and Brown Swiss
Mature uncastrated male cattle
Castrated male cattle
Immature female cattle
Mature female cattle
Mature uncastrated pig
Castrated male pig
Young female pig
Mature female pig
Mature male chicken
Castrated male chicken
Young female chicken or turkey
Mature female chicken or turkey
Mature male turkey
Mature male dog
Castrated male dog
Mature male cat
Immature female cat
Mature female cat