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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. A free martin is considered a...






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






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






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






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






6. What percent of the cows feed intake is consumed during the daylight hours?






7. In order to prevent bloat - the feed additive Poloxalene is often added to feed rations for cows that are grazing. Which of the following grazed forages are most likely to cause bloat?






8. HTST is a ______________






9. Hairy Heel Wart is scientifically known as what?






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






11. What percent non-fiber carbohydrate should a ration contain for high producing cows?






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






13. When doing classification scoring - a cow given the numerical value of 85-89.9 is classified as...






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






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






16. What is the classification for a Holstein cow given the numerical value of less than 70?






17. Approximately how many gallons of blood pass through the udder for each gallon of milk produced?






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






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






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






21. IDFA






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






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






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






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






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






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






28. What breed is known to produce milk over a greater number of years than all other breeds?






29. Where are structural carbohydrates found in the plant?






30. Which dairy breed originated in the central part of the European continent?






31. New computerized robotic milk stations are becoming a reality today. They have different names but one common one is MOD system. MOD means...






32. What stomach compartments are not developed in a newborn calf?






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






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






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






36. How much water can a lactating cow consume in one day?






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






38. What is a nonfunctional mammary gland called?






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






40. Cows have _____ streak canals per teat.






41. EU






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






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






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






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






46. Fermented forage plants relates to...






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






48. After insemination - how long do sperm live in the cow's reproductive tract?






49. Which cows have higher protein requirements?






50. When doing classification scoring - a cow given the numerical value of 85-89.9 is classified as...







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