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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. 147 days






2. Why Dairy calves are fed powdered milk.






3. Male on one pin and female on other side






4. 45-60 days after breeding; re-breed as required






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






6. Constitute 50-90% of the volume of the ejaculate. (3 glands total: seminal vesicles - prostate gland - cowper's gland)






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






8. 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






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






10. ~60 days before calving






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






12. Urinary calculi.






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

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






15. Constitute 50-90% of the volume of the ejaculate. (3 glands total: seminal vesicles - prostate gland - cowper's gland)






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






17. Examine accessory glands - also to know how big the pelvic opening is->heritable->relates to how much dystocia that bull's daughter has






18. 4-6 days






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






20. Animal which has been castrated after puberty






21. (FSH) causes egg to mature in females






22. Allows extension of penis without fibro-elastic penis






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






24. Days which have decreasing daylight hours

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






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






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






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






29. Implies the amount of estrogen production






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






31. When are dairy cattle dehorned?






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






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






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






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






36. Sperm production






37. 265-285 days






38. 24 hours before end of estrus cycle






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






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






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






42. 30 hours after estrus begins






43. Birthing process (termination of gestation)






44. When she is pregnant in her last trimester because she needs the energy to carry around and deliver the calf. and when the calf is born because the cow needs the fat to be deposit it into her milk for the calf's energy stores.






45. Superior genes are _______ to multiply






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






47. 10-37 (21) days






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






49. When are dairy cattle dehorned?






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