Test your basic knowledge |

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






2. Scar tissue plugs up chambers of udder






3. Birthing process (termination of gestation)






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






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






6. Male on one pin and female on other side






7. ~305 days (altough often longer due to breeding difficulties)






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






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






10. 45-60 days after breeding; re-breed as required






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






12. Produce testosterone. located between the seminiferous tubules






13. Why Dairy calves are fed powdered milk.






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






15. 1. need to be restricted in amt of grain - 2. no more than 70% of ration can be concentrates. 3. *Acidic acid has to be produced in order for milk synthesis to occur (30% forages)






16. 45-60 days after breeding; re-breed as required






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






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






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






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






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






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






23. 1-3 days






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






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






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






27. Days which have decreasing daylight hours

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


28. Duct through penis that carries sperm and urine






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






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






31. Luteolysis happens because of the ____________ hormone






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






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






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






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






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






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






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






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






40. 19-23 (21) days






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






42. 147 days






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






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






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






46. Failure to have both testis (gonads) descend






47. 14-19 (17) days






48. Allows extension of penis without fibro-elastic penis






49. Animal which has been castrated after puberty






50. (FSH) causes egg to mature in females