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






2. Birthing process (termination of gestation)






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






4. ~60 days before calving






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






6. Scar tissue plugs up chambers of udder






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






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






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






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






11. 4-6 days






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

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


13. 19-23 (21) days






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






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






16. Parturition is controlled by...






17. (male) definition: duct located outside of the testes. 3 parts: head - body - tail. 4 Functions:concentrate sperm - store sperm - transport sperm - site of sperm maturation. entire process takes ~40-60 days






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






19. 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.






20. 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.






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






22. Why does estrus happen before ovulation?






23. 10-37 (21) days






24. 14-19 (17) days






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






26. 19-23 (21) days






27. 283 days






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






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






30. Urinary calculi.






31. Superior genes are _______ to multiply






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






33. Produce testosterone. located between the seminiferous tubules






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






35. 283 days






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






37. 26 hours after estrus begins






38. ~305 days (altough often longer due to breeding difficulties)






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






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






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






42. Failure to have both testis (gonads) descend






43. 16-20 hours






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






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






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






47. Provide nourishment for the developing sperm






48. Produce testosterone. located between the seminiferous tubules






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






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