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






2. 1-3 days






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






4. Luteolysis happens because of the ____________ hormone






5. Implies the amount of estrogen production






6. 1. reproduction - 2. mastitis/udder problems - 3. low milk production - 4. soundness/poor feet and legs (living on concrete)






7. Way to know everything is alright with the breeding male






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






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






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






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






12. (male) Primary sex organ - produces sperm (male gamete) and male sex hormones - 2 total






13. What about the sperm for a bull which has been castrated but still has testicles?






14. When are dairy cattle dehorned?






15. Important 'landmark' during palpation






16. Luteolysis happens because of the ____________ hormone






17. Small tubes located at the upper ends of the uterine horns. connects uterine horn to infundibulum. passageway of the egg.






18. Implies the amount of estrogen production






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






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






21. 19-23 (21) days






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






23. Reproduction. more offspring leads to more feed costs - but is offset by reproduction numbers






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






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






26. Allows extension of penis without fibro-elastic penis






27. 1. visual evaluation - 2. scrotal circumference - 3. penis and prepuce observation - 4. rectal palpation - 5. libido test - 6. semen evaluation






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






29. 30 hours after estrus begins






30. (FSH) causes egg to mature in females






31. Castration tool that uses a band around the testicles which cuts off circulation and eventually the testicles fall off






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






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






34. 14-19 (17) days






35. Why Dairy calves are fed powdered milk.






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






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






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






39. Failure to have one testis (gonad) to descend






40. ~60 days before calving






41. Animal which has been castrated after puberty






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






43. Knife-loose ~1wk of growth. band-loose ~2wks of growth.






44. Failure to have one testis (gonad) to descend






45. 1. to eliminate breeding the females at an early age - 2. makes animals less lean and provides a better cut for the market






46. Birthing process (termination of gestation)






47. Failure to have both testis (gonads) descend






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






49. (LH) causes female's egg to break (her period)






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