Test your basic knowledge |

Dairy Cattle Basics

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. Generally - high-producing Holsteins eat ___________ pounds of dry matter per day?






2. The rear quarters produce __________% of the daily milk yield.






3. Many dairymen 'dock' the tail on their cows much to the chagrin of Animals Rights groups. They believe This is necessary to...






4. When examining feed rations - what do the letters NDF stand for?






5. What ration ingredients contain the highest concentration of energy?






6. This vitamin plays a role in the coagulation of blood...






7. A cow with high lactation persistence is important for a dairy's economic success. Lactation persistency is...






8. Fumonsin and zearalenone are examples of...






9. Dairy herds have historically used artificial insemination. Currently approximately ____________% of all dairy pregnancies results from A.I.






10. When feeding close-up cows a calcium deficient diet - which gland is simulated?






11. When does the greatest mammary tissue growth occur during a cow's life?






12. FARAD






13. The only aspect of milk quality that can be completely controlled on the farm is ______________.






14. What structural carbohydrate component makes older plants less digestible than younger plants?






15. Milking time is best reduced by...






16. What female hormone causes follicles to begin to develop?






17. What is a common name for infectious kerato conjunctivitis?






18. What is the approximate time of ovulation in cattle after the beginning of heat?






19. Milking time is best reduced by...






20. Corn silage - stored in upright - top-unloading silos - should be chopped at which percent moisture?






21. Many dairy bulls have their nose pierced with a ring in it. This allows for...






22. What is the largest cost on most U.S. dairy farms?






23. Young dairy calves frequently suffer and may die due to scours. The chief cause of deadly scours at this age is...






24. An average Holstein cow should give _______ pounds per day for each lactation.






25. Which of the following is a compartment of the dairy cow's stomach?






26. The milk produced on a dairy must be moved through a system of components and piping made from...






27. Milk that is low in SCC has more casein - which is a primary component in _______?






28. Which dairy breed has a restriction for disallowing black markings?






29. What is an anion?






30. USDEC






31. BST is the acronym for what compound?






32. The source of rennet (a substance used in cheese making) is...






33. The typical lactation curve shows a dairy cow reaching her peak production about ________days into the lactation cycle.






34. It is widely acknowledged that a calcium/phosphorus ration of about ______________ is best for a dairy ration since this mirrors that of the cows' body.






35. On average - how many weekd after freshening does a cow's dry matter intake peak?






36. What female hormone causes follicles to begin to develop?






37. In the standard protocol for cleaning milking equipment - which of the following is not one of the four phases of cleaning?






38. According to the NRC - what percent calcium should a dry cow ration contain?






39. The breed of dairy cow generally credited with producing the highest % of both milk fat and protein is the...






40. Dairy Management Inc. introduced the _______ social media program for dairy advocates?






41. Which of the following is a compartment of the dairy cow's stomach?






42. In order to prevent bloat - the feed additive Poloxalene is often added to feed rations for cows that are grazing. Which of the following grazed forages are most likely to cause bloat?






43. Which one of the following is the largest dairy milk marketing cooperative in the U.S.?






44. According to recent USDA surveys - What is the most popular age to wean dairy calves?






45. FSA






46. %DBH






47. A condition of low blood calcium - which results in partial paralysis of the cow is known as __________________.






48. Quality forage is critical for acow's milk production. Many people evaluate hay based upon its green color; others think the color is a poor indication of nutrient composition. However - green colored hay is generally considered to have a higher ____






49. Crude fiber in a dietary ration must be at least ___% or milk fat percent will decrease.






50. A Babcock test may be used to measure the __________ % of milk.