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






2. Milk made by mother which includes antibodies for the calf. MUST be given to the calf within the first 24 hrs of life. also provides calf with energy stores. effectiveness lasts from 4-8 months of age.






3. Animals which have many estrous periods during certain periods per year (ex: mare - ewe)






4. Actual heat cycle (period)






5. Microscopic - make sure not sterile - very few bulls are actually tested






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






7. Why Dairy calves are fed powdered milk.






8. Can survive ~7 days in cow. vast majority <48 hours






9. Cycle that lasts weeks (ovulation->hormone cycles->ovulation)






10. 10-37 (21) days






11. 30-38 hours after estrus cycle begins






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






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






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






15. Milk is 15% ________ and 85% __________.






16. 147 days






17. Male on one pin and female on other side






18. 1-3 days






19. BST given to dairy cattle makes the mammary gland more persistent - helps produce more milk. good as Long-term because it does not cause cow to bulk up - provides more milk/cow Which means less cows needed - less cows need to be given feed - lower co






20. 147 days






21. Duct through penis that carries sperm and urine






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






23. Sperm production






24. 2 month growth cycle. stored in the epididymis of the bull






25. Animal which has been castrated after puberty






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






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






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






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






30. 114 days






31. BST given to dairy cattle makes the mammary gland more persistent - helps produce more milk. good as Long-term because it does not cause cow to bulk up - provides more milk/cow Which means less cows needed - less cows need to be given feed - lower co






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






33. Days which have decreasing daylight hours

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34. 30 hours after estrus begins






35. 283 days






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






37. Produce testosterone. located between the seminiferous tubules






38. Urinary calculi.






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






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






41. Luteolysis happens because of the ____________ hormone






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






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






44. 4-6 days






45. Completes uterine growth initiated by estrogen and prepares the uterus for nourishment of developing embryo if pregnancy occurs - supports pregnancy by maintaining quiescent state of reproductive tract and suppresses mating behavior - prevents ovulat






46. Cleans and lubricates the urethra. secretion is thick - viscous - and very slippery.

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






48. Duct which connects epididymis to urethra of the penis. transports sperm at ejaculation. cut to sterilize male.






49. Milk made by mother which includes antibodies for the calf. MUST be given to the calf within the first 24 hrs of life. also provides calf with energy stores. effectiveness lasts from 4-8 months of age.






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







Sorry!:) No result found.

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