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. Regarding feed formulation - What does CAD stand for?






2. A dairy expects to cull approximately _________% of their herd each year.






3. Which major dairy breed association was the first to use computers to maintain breed registry records?






4. Which hormone produced by the uterus causes regression of the corpus luteum?






5. What does the term freshen mean in relation the dairy production?






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






7. What hormone is responsible for maintaining pregnancy?






8. Almost 95% of the dairy cows in the U.S. are...






9. Colostrum given to a baby calf more than ____________hours old is NOT absorbed and thus does little good.






10. Heritability for milk production in dairy cattle is...






11. Recent research traits have shown that dairy cows prefer to be milked __________ times/day if they are able to choose.






12. How many days after breeding can a pregnancy be detected by ultrasound?






13. What numerical value does a Holstein cow get when given the classification good?






14. Feeding proper rations during the summer is important for both cow comfort and maintaining milk production. Which nutrient is most important during the summer months?






15. What bacterium causes cattle tuberculosis (TB)?






16. Which one of the following is not classified as a fat‐soluble vitamin?






17. Normal presentation of a calf for parturition will have...






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






19. What is the reasonable score for body condition at mid-lactation?






20. Which one of the following describes biotin?






21. %DBH






22. Coccidia infection can occur when calves are 4 to 8 weeks old. Coccidia causes...






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






24. How is a dairy's RHA calculated?






25. The condition in which the cow is giving more milk than nutrients that she is consuming in feed is called...






26. How many chromosomes does the nucleus of each reproductive cell have in dairy cattle?






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






28. In a cow - where would you find the alveolus?






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






30. Why is fat added to dairy rations?






31. NMPF






32. A dairy cow that has all 8 permanent incisor teeth can be considered to be a minimum of ______________old.






33. 98% of somatic cells are...






34. BFP






35. ___________ represents the largest daily input cost in producing milk.






36. Legally you cannot make cottage cheese from raw milk - but you can make _________ from raw milk.






37. The annual sale of dairy semen exceeds __________ straws.






38. A rolling herd average (RHA) is based on how many months?






39. 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 ____






40. The rumen of a cow is located...






41. What is a cation?






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






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






44. What kinds of relationship do cattle and the microorganisms in their rumen share?






45. If you add sugar to a milk product - you must ______ the minimum pasteurization temperature by _____ degrees F.






46. A mutation where calves have little or no control over the movement of their legs is called...






47. All milking equipment must be sanitized...






48. IPM






49. FAS






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