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Dairy Cattle And Reproduction

Subjects : industries, dairy
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. S-shaped inside body - relaxes to be exposed for breeding. Disadvantges: muscles weaken with age - cannot always hold it in - exposed to harsh outside conditions or stepped on.

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2. % of fat in milk. makes cheeses and ice cream. regulates cost of milk






3. Allows extension of penis without fibro-elastic penis






4. Serves as a bone cradle for the reproductive system. used greatly in palpation as a 'landmark'.






5. (male) pushes the testes outward toward the legs for a cool-down off of the body






6. 4-6 days






7. Why Dairy calves are fed powdered milk.






8. Implies the amount of estrogen production






9. Front feet and head first. (except for hogs and dogs)






10. (male) pushes the testes upward toward the body for warmth or protection






11. 1. brain function - 2. blood flow - 3. willing female






12. 45-60 days after breeding; re-breed as required






13. (switzerland) 2nd in size and milk production - most muscle -






14. Contains and regulates the temp of the testes for sperm production






15. 1. sperm is not implanted in egg until hours after breeding. 2. fetal growth has not yet finished.






16. Largest dairy cow - largest udder - highly vascular - eat 40-50% dry matter (eat alot) - most total butterfat






17. Failure to have both testis (gonads) descend






18. Contains and regulates the temp of the testes for sperm production






19. Standing to be mounted (last one able to notice); mounting other animals; social behavior-restless - gregarious - activity - vocalizing; frequent urination; mucous discharge






20. 14-19 (17) days






21. Supply nutrients for the sperm following ejaculation and deposition into the female reproductive tract






22. Serves as a bone cradle for the reproductive system. used greatly in palpation as a 'landmark'.






23. Days which have decreasing daylight hours

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24. Boars and stallions-> deliver semen directly into the cervix. bulls and rams-> deliver semen into the vagina.






25. Gonadotropic (GnRH) is (FSH and LH). Follical Stimulating (FSH) and Lutinizing Hormone (LH).






26. 2 month growth cycle. stored in the epididymis of the bull






27. Days which have decreasing daylight hours

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28. 14-19 (17) days






29. 1. bring in new genes - 2. replace males with leg problems (difficulty breeding) Note: culling has a much greater emphasis in the dairy industry vs the beef industry.






30. 283 days






31. 283 days






32. 1-3 days






33. 10-37 (21) days






34. Prevent the cow from getting an infection from the calve






35. ~305 days (altough often longer due to breeding difficulties)






36. (FSH) helps to regulate puberty - needed every day - stimulates the sertoli cells to produce nutrients for the sperm






37. Depository for semen during insemination. where urine leaves the body






38. Earlier you castrate a male - the easier it is on the animal. the longer you wait - death rates increase






39. Why does estrus happen before ovulation?






40. Parturition is controlled by...






41. Hold the penis in the bulls body when not in use. releases penis before ejaculation or urination.






42. Larger the cow - more milk is produced; smaller the cow - less milk is produced






43. When are dairy cattle dehorned?






44. Hold the penis in the bulls body when not in use. releases penis before ejaculation or urination.






45. Sperm production






46. 336 days






47. (FSH) causes egg to mature in females






48. 24 hours before end of estrus cycle






49. 114 days






50. Milk ~305 days - dry 60 days prior to calving







Sorry!:) No result found.

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