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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. Check feet and legs - look for masculine traits in build such as crest and muscling






2. Can produce 200 calves naturally (~100 bulls) - top 1-2% will grade like him. everything left to chance if no AI performed






3. (from Jersey Islands in Great Britain) Smallest cow - least milk - highest butterfat %






4. 283 days






5. Sperm is produced here






6. (FSH) causes egg to mature in females






7. 45-60 days after breeding; re-breed as required






8. What helps regulate spermatogenesis?






9. 1. seminiferous tubules - 2. sertoli cells - 3. leydid or interstitial cells






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






11. Important 'landmark' during palpation






12. Urinary calculi.






13. (LH) stimulates the Leydig cells to produce testosterone






14. Actual heat cycle (period)






15. 26 hours after estrus begins






16. Indicator of sperm production. the bigger the scrotal circumference the bigger volume of sperm because more seminal vesicles available to produce the sperm






17. 4-6 days






18. Head - neck - mid-piece - tail. genetic material - has an enzyme covering that allows it to penetrate the egg






19. Days which have increasing daylight hours

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






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






22. Pulls sperm and egg together - gets body ready for pregnany - stimulates growth cells - develops mammary glands - starts to deposit fat.






23. Look for infection - split - and rupture of the penis






24. 30-38 hours after estrus cycle begins






25. 30 hours after estrus begins






26. Head - neck - mid-piece - tail. genetic material - has an enzyme covering that allows it to penetrate the egg






27. 4-6 days






28. Start of the reproductive tract for the female. located outside of the body






29. What makes the milk flow through the mammary glands?






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






31. Located directly in front of the cervix. fertilized egg implants here. connected to two uterine horns. implantation occurs on the same side as ovulation occurred.






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






33. 30-38 hours after estrus cycle begins






34. So when offspring are born - there is more food to be found for energy stores and fat deposits IN THE SPRING






35. Can produce 200 calves naturally (~100 bulls) - top 1-2% will grade like him. everything left to chance if no AI performed






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






37. To remove/separate testicles from animal's body before animal reaches puberty






38. What helps regulate spermatogenesis?






39. Not being bred back into herd. horses are seasonal breeders vs. cows as anytime breeders






40. Duct through penis that carries sperm and urine






41. 336 days






42. ~60 days before calving






43. Not under a timeline - cow can not be sold as steak






44. 2 month growth cycle. stored in the epididymis of the bull






45. Superior genes are _______ to multiply






46. Located directly in front of the cervix. fertilized egg implants here. connected to two uterine horns. implantation occurs on the same side as ovulation occurred.






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






48. Sperm production






49. Check feet and legs - look for masculine traits in build such as crest and muscling






50. Produce testosterone. located between the seminiferous tubules