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






2. When using sexed semen - conception rates are _________ percent of the conception rates achieved when using unsexed semen under the same conditions?






3. At what isoelectric point (point at which proteins have net zero charge) do caseins precipitate?






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






5. As a rule of thumb when milk production ________ - the milk fat content _______






6. FARAD






7. The rumen of a mature cow will hold approximately...






8. When looking at DHI records - what do the letters RHA stand for?






9. Dairy cattle where first successfully cloned in the_______________.

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10. Body condition scores form 1 to 5 are used to track herd health and nutrition. Dry cows should have a body score from...






11. Rotary Parlors or Carousel milk barns have the advantage of being ________________ when compared to other type barns.






12. Cow comfort has been linked to milk production in numerous research studies. Not an example of a way to improve cow comfort used by dairymen?






13. Which part of an animal touches the ground if he/she is walking on a correct set of feet and legs?






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






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






16. NFO






17. Which reproductive condition results when the fetal membranes remain within the uterus for an extended period following parturition?






18. A mutation where a calf is born with a single toe on one or more feet is called...






19. Which one of the following describes biotin?






20. If a dairy bull has been genetically tested to determine his genomic make-up - this will be indicated on his pedigree by what letters?






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






22. 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...






23. Parallel milk barns typically have several cows on each side. The cows are arranged in a ____________ fashion in this barn.






24. When looking at DHI records - what do the letters RHA stand for?






25. NRC






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






27. When reffering to vaccinations - what do the letters MLV stand for?






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






29. What is subcutaneous injection?






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






31. NMPF






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






33. Endocrinology is the science dealing with _______________.






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






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






36. What type of mastitis is the easiest to cure?






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






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






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






40. For best results calves should be fed colostrum within ____ hours of calving...






41. Cheddar cheese accounts for ____ % of American type cheeses made in the U.S.






42. Bulk tanks must be emptied and cleaned every _____ hours.






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






44. About 90% of U.S. dairies use a __________ milking schedule.






45. 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...






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






47. EU






48. What trait with the only positive genetic correlation to milk production?






49. What is a nonfunctional mammary gland called?






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