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. Parturition is controlled by...






2. S-shaped inside body - relaxes to be exposed for breeding. Disadvantges: muscles weaken with age - cannot always hold it in - exposed to harsh outside conditions or stepped on.

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


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






4. Produce testosterone. located between the seminiferous tubules






5. Failure to have both testis (gonads) descend






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






7. FEED






8. 2 month growth cycle. stored in the epididymis of the bull






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






10. 30-38 hours after estrus cycle begins






11. 10-37 (21) days






12. 19-23 (21) days






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






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






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






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






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






18. 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






19. 147 days






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






21. Sperm production






22. Look for infection - split - and rupture of the penis






23. 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






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






25. 336 days






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






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






28. Prevent the cow from getting an infection from the calve






29. 283 days






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






31. Sperm production






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






33. Days which have increasing daylight hours

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


34. 26 hours after estrus begins






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






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






37. Days which have decreasing daylight hours

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


38. Duct through penis that carries sperm and urine






39. 24 hours before end of estrus cycle






40. 2 month growth cycle. stored in the epididymis of the bull






41. 265-285 days






42. 4-6 days






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






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






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






46. 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


47. 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.






48. ~60 days before calving






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






50. Implies the amount of estrogen production