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. (FSH) causes egg to mature in females






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






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






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






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






6. 147 days






7. 114 days






8. Animal which has been castrated after puberty






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






10. 1-2 days






11. The more stressed out the male is - the less sperm he is going to produce






12. 45-60 days after breeding; re-breed as required






13. 1. bring in new genes - 2. replace males with leg problems (difficulty breeding) Note: culling has a much greater emphasis in the dairy industry vs the beef industry.






14. Male on one pin and female on other side






15. 1-3 days






16. 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






17. (FSH) helps to regulate puberty - needed every day - stimulates the sertoli cells to produce nutrients for the sperm






18. 114 days






19. Superior genes are _______ to multiply






20. Important 'landmark' during palpation






21. 24 hours before end of estrus cycle






22. 19-23 (21) days






23. 4-6 days






24. 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






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






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






27. When are dairy cattle dehorned?






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






29. 336 days






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






31. Failure to have both testis (gonads) descend






32. Provide nourishment for the developing sperm






33. Superior genes are _______ to multiply






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






35. Urinary calculi.






36. 26 hours after estrus begins






37. 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


38. When are dairy cattle dehorned?






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






40. 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.






41. Days which have decreasing daylight hours

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


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






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






44. 336 days






45. Days which have increasing daylight hours

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


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






47. Why does estrus happen before ovulation?






48. 30 hours after estrus begins






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






50. The more stressed out the male is - the less sperm he is going to produce