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






2. What units are used to measure energy?






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






4. What units are used to measure energy?






5. BVD






6. What percent of dry matter in plants is made of carbohydrates?






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






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






9. Which compartment of a dairy cow's stomach is located closest to the heart and it is a spot where hardware disease occurs?






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






11. USDEC






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






13. NMPF






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






15. What is the most essential nutrient in animal feeding animals and maintaining health?






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






17. When discussing lactation records - What does the term 'fat corrected milk' mean?






18. Where are degradable proteins broken down?






19. 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?






20. Protein is a combination of amino acids. The amino acids are unique among compounds involved in nutrition because they contaIn what element?






21. To the hundreth - how many pounds of milk are in a gallon?






22. Milk sugars are not very soluble. Some people have difficulty hydrolyzing them in their bodies. This problem is called _________________.






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






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






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






26. The breed of dairy cattle that can be roan - all red - all white - or even spotted red and white is...






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






28. Milk let down in a dairy cow may be stimulated by...






29. What percent of lactating dairy cows have oxytocin in their bloodstreams during milking?






30. Fumonsin and zearalenone are examples of...






31. On the PDCA Unified Dairy Score Card - the category 'dairy strength' accounts for how many points?






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






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






34. Manure management is a major concern for most modern - large-scale dairies. The newest management techniques being used involve...






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






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






37. Proponents of global warming having accused cows of being a major factor. This is due to their release of...






38. What is another term for the lowest lateral regions of the abdomen - near the groin?






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






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






41. Ways to avoid milk fever in cows






42. What are structural carbohydrates made of?






43. When the environmental temperature falls below 30°F - the normal diet of a young calf should be supplemented with _______________?






44. IDFA






45. Dairy heifers need to bred at ________ of age assuming they are at least 65% of their adult weight at that time.






46. When referring to rations - what do the letters NFC stand for?






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






48. Dairy cattle where first successfully cloned in the_______________.

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






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