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






2. 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)






3. 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.






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






5. When she is pregnant in her last trimester because she needs the energy to carry around and deliver the calf. and when the calf is born because the cow needs the fat to be deposit it into her milk for the calf's energy stores.






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






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






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






9. 14-19 (17) days






10. 147 days






11. Birthing process (termination of gestation)






12. FEED






13. Luteolysis happens because of the ____________ hormone






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






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






16. 1. to eliminate breeding the females at an early age - 2. makes animals less lean and provides a better cut for the market






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






18. Parturition is controlled by...






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






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






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






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






23. Produce testosterone. located between the seminiferous tubules






24. 19-23 (21) days






25. (LH) stimulates the Leydig cells to produce testosterone






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






27. 10-37 (21) days






28. 24 hours before end of estrus cycle






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






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






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






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






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






34. 1-2 days






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






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






37. 1-3 days






38. 283 days






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






40. Urinary calculi.






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






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






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






44. (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






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






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






47. Allows extension of penis without fibro-elastic penis






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






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






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







Sorry!:) No result found.

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