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. Implies the amount of estrogen production






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






3. Larger the cow - more milk is produced; smaller the cow - less milk is produced






4. Days which have decreasing daylight hours

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


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






6. 26 hours after estrus begins






7. ~60 days before calving






8. Why does estrus happen before ovulation?






9. 336 days






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






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






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






13. 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.






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






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






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






17. ~305 days (altough often longer due to breeding difficulties)






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






19. 16-20 hours






20. % of fat in milk. makes cheeses and ice cream. regulates cost of milk






21. Completes uterine growth initiated by estrogen and prepares the uterus for nourishment of developing embryo if pregnancy occurs - supports pregnancy by maintaining quiescent state of reproductive tract and suppresses mating behavior - prevents ovulat






22. Urinary calculi.






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






24. 1. sperm is not implanted in egg until hours after breeding. 2. fetal growth has not yet finished.






25. 19-23 (21) days






26. 30 hours after estrus begins






27. When are dairy cattle dehorned?






28. Why does estrus happen before ovulation?






29. 1. reproduction - 2. mastitis/udder problems - 3. low milk production - 4. soundness/poor feet and legs (living on concrete)






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






31. Allows extension of penis without fibro-elastic penis






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






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






34. Completes uterine growth initiated by estrogen and prepares the uterus for nourishment of developing embryo if pregnancy occurs - supports pregnancy by maintaining quiescent state of reproductive tract and suppresses mating behavior - prevents ovulat






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






36. Important 'landmark' during palpation






37. Contains and regulates the temp of the testes for sperm production






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






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






40. 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






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






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






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






44. Luteolysis happens because of the ____________ hormone






45. (FSH) causes egg to mature in females






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






47. FEED






48. 283 days






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






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