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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. Male on one pin and female on other side






2. 147 days






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






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






5. Important 'landmark' during palpation






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






7. 26 hours after estrus begins






8. Important 'landmark' during palpation






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






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






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






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






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






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






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






16. Days which have increasing daylight hours

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






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






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






20. (male) Primary sex organ - produces sperm (male gamete) and male sex hormones - 2 total






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






22. What helps regulate spermatogenesis?






23. Implies the amount of estrogen production






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






25. Organ of copulation - provides passageway for semen and urine - muscular organ characterized especially by its spongy - erectile tissue that fills with blood






26. 265-285 days






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






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






29. 19-23 (21) days






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






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






32. Superior genes are _______ to multiply






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






34. Urinary calculi.






35. (FSH) causes egg to mature in females






36. 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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37. 114 days






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






40. (FSH) causes egg to mature in females






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






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






43. Birthing process (termination of gestation)






44. Produce testosterone. located between the seminiferous tubules






45. Why does estrus happen before ovulation?






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






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






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






49. Duct through penis that carries sperm and urine






50. Duct through penis that carries sperm and urine