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






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






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






4. Scar tissue plugs up chambers of udder






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






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






7. 147 days






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






9. 19-23 (21) days






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






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






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






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






14. Implies the amount of estrogen production






15. What about the sperm for a bull which has been castrated but still has testicles?






16. (FSH) causes egg to mature in females






17. 147 days






18. 14-19 (17) days






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






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

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21. Sperm is produced here






22. Depository for semen during insemination. where urine leaves the body






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






24. 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.

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25. (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






26. 45-60 days after breeding; re-breed as required






27. 30 hours after estrus begins






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






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






30. 10-37 (21) days






31. Days which have increasing daylight hours

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32. 114 days






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






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. Birthing process (termination of gestation)






36. Luteolysis happens because of the ____________ hormone






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






38. 16-20 hours






39. Help to signal hormone levels which we need both in the brain right next to each other.






40. Depository for semen during insemination. where urine leaves the body






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






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






43. Important 'landmark' during palpation






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






45. Provide nourishment for the developing sperm






46. Parturition is controlled by...






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






48. Why Dairy calves are fed powdered milk.






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






50. Castration tool which clamps down on the vans deferens. causes the sperm to not reach the penis to be ejaculated







Sorry!:) No result found.

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