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Breeds Reveiw
Animal Science 1 Mrs. Bunch's Class
| Term | Definition |
|---|---|
| Intact Males | Generally more muscular overall, typically larger in stature and grow faster than females, often exhibit more muscle in the neck area |
| Castrated Males | slower growing and have less muscle overall than the intact males, look for evidence of male genitalia such as a sheath to distinguish from females |
| Mature Females | Large body structure than immature females, mammary glands more evident when the animal is not lactating |
| Immature Females | smaller stature than mature females, examine genitalia to distinguish from young male animals |
| Ways that breed are categorized 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 |
| Environmental adaptations | example- extra skin to improve heat tolerance and insect resistance |
| Beef cattle breeds | Angus, Horned Hereford, Charolaise, Brahman, Simmental, ETC |
| Angus | black, polled, origin is Scotland, most registered breed, and high carcass quality |
| Horned Hereford | red with white face, horns, origins in England, docile, good foragers |
| Charolaise | white to light straw color, horns, origin is France, larger in stature. |
| Brahman | light gray to black or red, origin is India, hump, loose dewlap, resistant to insects and tolerant to heat |
| Simmental | no set color pattern, large frame, rapid growing animals |
| Other beef cattle breeds | Shorthorn, Polled Herefords, Santa Gertrudis, Gelbvieh, Limousin, Texas Longhorn |
| Swine Breeds | American Landrace, Duroc, Hampshire, Yorkshire, ETC |
| American Landrace | white, long body, big loped forward ears, large litters, mothering ability, originated in Denmark |
| Duroc | red, drooped ears, growth rate and feed conversion |
| Yorkshire | white, erect ears, large litters, feed efficiency, growth, mothering ability, long carcasses |
| Hampshire | black with white belt, erect ears, muscle and carcass leanness |
| Other swine Breeds | Poland China, Spotted Swine, Tamworth, Berkshire, Chester White |
| No breed registries for poultry | Unlike other animal |
| 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. |
| Meat - type chicken | Boiler |
Created by:
Ashley_Riggs4