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Introduction to Animal Science

Introduction to Animal Science. Part I. All breed photos: http://www.ansi.okstate.edu/breeds/. Terms. Male that has not been castrated Cattle: bull Swine: Boar Chicken: Rooster Turkey: Tom. Terms . Male castrated when young Cattle: steer Swine: Barrow Poultry: Capon

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Introduction to Animal Science

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  1. Introduction to Animal Science Part I All breed photos: http://www.ansi.okstate.edu/breeds/

  2. Terms • Male that has not been castrated • Cattle: bull • Swine: Boar • Chicken: Rooster • Turkey: Tom

  3. Terms • Male castrated when young • Cattle: steer • Swine: Barrow • Poultry: Capon • Male castrated after reaching maturity • Cattle/swine: stag

  4. Terms • Young female that has not given birth • Cattle: Heifer • Swine: Gilt • Older female that has given birth • Cattle: Cow • Swine: Sow

  5. Terms • Baby • Cattle: Calf • Swine: Pig • Older poultry females are hens and younger female chickens are pullets

  6. Beef Cattle Breeds • Angus- black, polled, origin is Scotland, most registered breed, and high carcass quality • Hereford- red with white face, horns, origin is England, docile, good foragers

  7. Angus

  8. Hereford

  9. Beef Cattle Breeds • Charolais- white to light straw color, horns, origin is France, large • Brahman- light gray to black or red, origin is India, hump, loose dewlap, resistant to insects and tolerant to heat • Others include: Shorthorn, Polled Herefords, Chianina, Gelbvieh, Limousin, Texas Longhorn

  10. Charolais

  11. Brahman

  12. Others

  13. Swine Breeds • 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

  14. American Landrace

  15. Duroc

  16. Swine Breeds • Hampshire- black with white belt, erect ears, muscle and carcass leanness • Yorkshire- white, erect ears, large litters, feed efficiency, growth, mothering ability, long carcasses • Others include: Poland China, Spotted Swine, Tamworth, Berkshire, Chester White

  17. Hampshire

  18. Yorkshire

  19. Others

  20. Chicken and Turkey Breeds • White Leghorns- white, lay white eggs- chickens • Plymouth Rock- white, broilers- chickens • Common Cross for Broilers- Plymouth Rock (female liner) x Cornish (male liner)

  21. White Leghorns

  22. Plymouth Rock

  23. Chicken and Turkey Breeds • Rhode Island Red- red, lay brown eggs- chickens • Broadbreasted Bronze Turkey- black • Broadbreasted Large White Turkeys • Beltsville Small White Turkeys

  24. Rhode Island Red

  25. Broadbreasted Bronze Turkey

  26. Broadbreasted Large White Turkeys

  27. Breeds • Most commercial livestock and poultry producers use crosses of more than one breed or selected strains of a breed

  28. Cattle Parts • Use a figure or diagram to learn external parts • Emphasis on parts used to select or evaluate cattle such as the rump, round, loin, shoulder, brisket, switch, poll, flank, hock, ribs, heart girth, and pin bones

  29. Cattle Parts

  30. Swine Parts • Use a figure or diagram to learn external parts • Emphasis on parts used to select or evaluate swine such as the ham, loin, shoulder, rump, belly, jowl, pastern, side, and hock

  31. Swine Parts

  32. Poultry Parts • Use a figure or diagram to learn external parts • Emphasis on parts used to select, cull, or evaluate poultry such as the comb, wattles, beak, eye ring, ear lobe, vent, hock, shank, toes, breast, back, abdomen, and body

  33. Poultry Parts

  34. External parts • Anatomy is the science of body structure or parts of an animal • An animal’s skin is modified to make horns, hooves, feathers, fur, wool, or hair • Visual observations used to select breeding cattle or swine include conformation, breed character, structural soundness of feet and legs, and body capacity

  35. THE END

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