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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. Help to signal hormone levels which we need both in the brain right next to each other.






2. Male on one pin and female on other side






3. 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






4. Castration tool which clamps down on the vans deferens. causes the sperm to not reach the penis to be ejaculated






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






6. 2 month growth cycle. stored in the epididymis of the bull






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






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






9. Castration tool which clamps down on the vans deferens. causes the sperm to not reach the penis to be ejaculated






10. 30-38 hours after estrus cycle begins






11. 24 hours before end of estrus cycle






12. (FSH) causes egg to mature in females






13. Why does estrus happen before ovulation?






14. When are steers and heifers weaned from bottle feeding?






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






16. Produce testosterone. located between the seminiferous tubules






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






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






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






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






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






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






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






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






25. Animals which have only one estrous cycle (ex: dog - fox)






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






27. Cleans and lubricates the urethra ahead of the sperm. (if not - the urine in the urethra has a high salt content and would cause sperm to rupture and die)






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






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






30. Sperm production






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






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






33. Urinary calculi.






34. 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.






35. Superior genes are _______ to multiply






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






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






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






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

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40. What helps regulate spermatogenesis?






41. Important 'landmark' during palpation






42. 45-60 days after breeding; re-breed as required






43. Allows extension of penis without fibro-elastic penis






44. 283 days






45. Luteolysis happens because of the ____________ hormone






46. Sperm production






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






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






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