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Introduction to Animal Science

Introduction to Animal Science

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Introduction to Animal Science

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  1. Introduction to Animal Science

  2. Competency 3.01 Recall Animal breed and sex terminology.

  3. Animal Terminology

  4. Animal Terminology

  5. Physical Characteristics • Intact Males – • Generally more muscular overall • Typically larger in stature and grow faster than females • Often exhibit more muscle in the neck area

  6. Physical Characteristics • 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

  7. Physical Characteristics • Mature Females • Large body structure than immature females • Mammary glands more evident when the animal is not lactating

  8. Physical Characteristics • Immature Females • Smaller stature than mature females • Examine genitalia to distinguish from young male animals

  9. Breeds of Livestock • Breeds are characterized by their phenotypic triats: • Color and/or color pattern • Frame and size • Degree of muscling • Environmental adaptions • Extra skin to improve heat tolerance

  10. Angus

  11. Beef Breeds • Angus • Black • Polled • Originated in Scotland • It is the most “registered” purebred • High in carcass quality

  12. Hereford

  13. Beef Breeds • Hereford • Red and White face • Horns • Originated in England • Docile • Gentle temperament • Good foragers • Efficient converters of forage crops

  14. Charolais

  15. Charolais

  16. Beef Breeds • Charolais • White to light straw colored • Naturally Horned • Breeding-up has created polled animals • Large framed • Originated in France

  17. Brahman

  18. Brahman

  19. Beef Breeds • Brahman • Light Gray to Black or Red • Originated in India • Pronounced hump • Loose Dewlap • Insect tolerant • Disease tolerant

  20. Simmental

  21. Beef Breeds • Simmental • Not set color pattern • Large frame • Rapid growing animal

  22. Shorthorn

  23. Polled Hereford

  24. Santa Gertrudis

  25. Gelbvieh

  26. Limousin

  27. Texas Longhorn

  28. Dairy Breeds

  29. Holstein

  30. Dairy Breeds • Holstein • 90% of the dairy cattle in the US • Black and white • Leading producer of milk • Produce about 18,000 lbs. Of milk per cow per year

  31. Jersey

  32. Dairy Breeds • Jersey • Cream to light fawn clolor • Smallest framed dairy breed • High butterfat content in milk

  33. Guernsey

  34. Ayrshire

  35. Brown Swiss

  36. Identifying Breeds of Swine

  37. American Landrace

  38. American Landrace • White • Long Body • Big loped forward ears • Large litters • Good mothering ability • Originated in Denmark

  39. Duroc

  40. Duroc • Red • Drooped ears • Good growth rate • Excellent feed conversion

  41. Hampshire

  42. Hampshire • Black with a white belt • Erect ears • Good muscle • Carcass leanness

  43. Yorkshire

  44. Yorkshire • White • Erect ears • Large litters • Good feed efficiency • Excellent growth and mothering ability • Long carcass

  45. Poland China

  46. Chester White

  47. Tamworth

  48. Berkshire

  49. Spotted Swine

  50. Identifying Breeds of Poultry