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. After a bulk tank is washed and rinsed - beading of water droplets is a sign of _____.






2. What is the average production lifetime of a dairy cow?






3. What is lactogenesis?






4. What is the classification for a Holstein cow given the numerical value 80-84.9?






5. What combines the Predicted Transmitting Ability for protein - fat - type and udder composite index and ranks the animal on its ability to transmit a balance of these four traits






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






7. In reference to reproduction - What does CL stand for?






8. When a cow comes into heat every few days - she is referred to as?






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






10. If the freezing point of a sample of raw milk is above 30 degrees F this indicates...






11. In cows - salmonellosis infections are most common in those that have calved within __________.






12. A cow's gestation period is _______ long?






13. The hormone BST is given to dairy cows...






14. When comparing bulls for artificial insemination - What does 'SCR' stand for?






15. Cows have _____ streak canals per teat.






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






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






18. What is the hormone that causes Uterine contractions to assist in parturition?






19. When discussing nutrition - What does NPN stand for?






20. Why is fat added to dairy rations?






21. What is the name of the term for a farm's unique identification number that is part of the National Animal Identification System?






22. Where are non-degradable proteins absorbed?






23. NRC






24. In regards to dairy production RHA refers to...






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






26. Ways to avoid milk fever in cows






27. What hormone is responsible for maintaining pregnancy?






28. What are the two types of ovarian cysts?






29. Hairy Heel Wart is scientifically known as what?






30. FARAD






31. FSA






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






33. What is a nonfunctional mammary gland called?






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






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






36. What should the pH of a 'close up' Holstein's urine be?






37. A calf's birth weight is approximately ________% of its' mature weight.






38. Fumonsin and zearalenone are examples of...






39. What manure waste management method runs manure across a press and squeezes the water out?






40. Milk traits - i.e. fat - protein - SNF and etc. - tend to have a heritability of about...






41. Dairy rations - especially those for high producing cows - may be buffered to maintain a desirable rumen pH. The most common buffering agent for this is...






42. Dairy producers are particularly watchful for zoonotic diseases in their herd. Zoonotic diseases are defined as those that...






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






44. In a sire's proof - daughters' calving ease measures __________________.






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






46. What percent of milk is water?






47. Which of the following is the most popular type of cheese in the United States?






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






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






50. How many grams of lactose are in an 8 oz. glass of milk?