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






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






3. Fresh milk - at a dairy - is required to be cooled to a minimum of 50 degrees F within 4 hours time after milking. However many larger dairies are using a _______________ to accomplish this within minutes.






4. Name the three common places Coliforms are found.






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






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






7. Fresh milk - at a dairy - is required to be cooled to a minimum of 50 degrees F within 4 hours time after milking. However many larger dairies are using a _______________ to accomplish this within minutes.






8. Milk fever is also (scientifically) known as what?






9. A disease transmitted through natural mating which causes abortion - low conception rates - and irregular heat cycles is _____________________.






10. When evaluating dairy rations what do the letters NE stand for?






11. The two U.S. dairy breeds that originated in the Channel Islands off the coast of France are...






12. Grass Tetany may occur in early lactation cows grazing lush - heavily - fertilized pastures. Grass Tetany is caused by a ______________deficiency.






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






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






15. Which one of the following describes biotin?






16. Cows produce pheromones which...






17. What machine is used to determine if water has been added to milk?






18. Cows that are at risk of developing ketosis can be fed what vitamin to help prevent ketosis?






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






20. Fumonsin and zearalenone are examples of...






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






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






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






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






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






26. If there are large numbers of flies around the dairy barn - what should be the first thing to be examined in an attempt to solve the fly problem?






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






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






29. In regards to pedigrees - What is a RHA?






30. Milk with over_____________ somatic cell count cannot legally be shipped in the United States?






31. The number one reason for culling in U.S. dairy herds is...






32. Where are non-degradable proteins absorbed?






33. To dairymen - the most harmful disease impacting milk production and their economic bottom line is...






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






35. %DBH






36. What numerical value does a Holstein cow get when given the classification excellent?






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






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






39. When referring to milk test used at the processing plant - What is a DMC?






40. Lactation is unique to _________.






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






42. A Milking herd's TMR should be available to cows how many hours throughout the day?






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






44. 'Weaver Syndrome' is most often found in the _______________dairy breed?






45. One form of biological pest management is a predator insect - that can be bought and released to help control flies at a dairy. Which of these is NOT true about these predators...






46. Dairy Farmers frequently place a stomach magnet into their cows to...






47. What is a nonfunctional mammary gland called?






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






49. The medical name tarsal hygroma - a commonaliment of dairy cows is commonly called...






50. In which breed of cow is the incidence of milk fever most common?