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. 30 hours after estrus begins






2. ~305 days (altough often longer due to breeding difficulties)






3. Produce testosterone. located between the seminiferous tubules






4. 14-19 (17) days






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






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






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






8. Why Dairy calves are fed powdered milk.






9. Urinary calculi.






10. 336 days






11. 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.






12. Days which have increasing daylight hours

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


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






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






15. Animals which have many estrous periods per year (ex: cow - sow)






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






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






18. Sperm is produced here






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






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. 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.






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






23. 16-20 hours






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






25. 24 hours before end of estrus cycle






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






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






28. Luteolysis happens because of the ____________ hormone






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






30. 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






31. 19-23 (21) days






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






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






34. When are dairy cattle dehorned?






35. Can produce 200 calves naturally (~100 bulls) - top 1-2% will grade like him. everything left to chance if no AI performed






36. Important 'landmark' during palpation






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






38. 147 days






39. 1-2 days






40. 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


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






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






43. 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)






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






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






46. Scar tissue plugs up chambers of udder






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






48. Animal which has been castrated after puberty






49. 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)






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