Test your basic knowledge |

Dairy Cow Industry

Subject : industries
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. Standardization of lactation records to the level of yield that would have been attained by each cow if she had been a mature cow and calved in the month of the year of highest calving frequency for her breed.






2. Stiff Lamb - Nutritional Muscular Dystrophy - Caused by a defficiency of Vitamin E or Selenium in dairy calves.






3. Diarrhea.






4. Disease causing chronic diarrhea - weight loss resulting from infection with the bacterium Mycobacterium paratuberculosis.

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5. Adjustment of milk with different fat percentages to equivalent amounts on an energy basis.






6. Used to regularly evaluate where an individual cow stands in body condition relative to the ideals for her stage in lactation.






7. Milk is actually secreted in grape-like structures called ____






8. Count of ____ cells helps determine inflammation of the mammary gland






9. Parts blood must pass through the udder to produce milk.






10. Rolling herd average for U.S. dairy herd.






11. Recommended method for dairy cattle.






12. Naturally hornless.






13. The common name for Bovine Spongiform Encephalopathy (BSE).






14. Caused by Actinomy bovis.






15. Milking cows are usually milked ____ days and 'dried up' ___ days before the next lactation






16. Caused by the heel fly.






17. Common name for nematodes.






18. Four of the leading states in milk production are ___ ___ __ __






19. Tendency of two or more traits to vary in the same direction or in opposite directions due to common forces or influences.






20. Metabolic Disease characterized by accessive ketone body formation.






21. Also known as Bovine genital Campylobacteriosis.






22. The Ayrshire breed is colored ____ and white.






23. Also called gas gangrene.






24. Caused by Mycobacterium bovis.






25. Cows are usually rebred at ___ days after breeding






26. The mammary system of a cow is divided into ___ independent parts.






27. Also known as acetonemia.






28. Cause of cattle grubs.






29. 'Barn-itch'.






30. The circumference of the body just back of the shoulders. Used to estimate body weight.






31. Common name for syndactylism.






32. Common name for infectious bovine keratonconjuctivitis.






33. The world record/ cow/ year for milk yield (in pounds).






34. Most commonly used test for diagnosis of Leptospirosis in cattle.






35. Hormone Stimulates milk letdown.






36. Holstein Association uses ______________ as a method of ranking bulls on their overall performance.






37. The dairy breed with a golden yellow color to its milk.






38. Method of feeding cows aimed at finding their potential to secrete milk and used to prevent metabolic shortage in energy.






39. The dairy breed with the highest fat percentage.






40. Number of dairy cows in the United States.






41. An example of a trematode.






42. A chamber that connects the four teat cups to the milk line.






43. Agent which destroys worms in digestive tract.






44. An association which dairy farmers join to participate in their record-keeping and management plans and is operated jointly by the USDA and state colleges of agriculture and land-grant universities.






45. Describes an animal having a crooked hock - which causes the lower part of the leg to be bent forward out of a normal perpendicular straight line.






46. Hormone stimulates an increase of up to 20% more milk with only 5% more feed.






47. Age conversion formulas applied to milk production of young cows to compare their milk yield with more mature cows.






48. Period of non-lactation between two periods of lactation.






49. Normal rectal temperature of a dairy cow.






50. State with the largest number of dairy cows.