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. Dry cows need 0.8 percent K in their diet. What element is K?






2. NAFTA






3. 'Thurl position' is a trait evaluated in the ________ category on the PDCA Unified Scorecard?






4. What percent moisture should corn silage be chopped at when stored in horizontal bunker silos or bags?






5. What female hormone causes follicles to begin to develop?






6. 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?






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






8. Many dairy bulls have their nose pierced with a ring in it. This allows for...






9. EU






10. When comparing bulls for artificial insemination - What does 'SCR' stand for?






11. Fermented forage plants relates to...






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






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






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






15. Milk should be below what temperature before it is transferred to a milk truck?






16. What ration ingredients contain the highest concentration of energy?






17. 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...






18. At how many days can pregnancy be detected by palpation?






19. How is a dairy's RHA calculated?






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






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






22. 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?






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






24. Abortion in the last trimester of pregnancy is often caused by_______________.






25. How frequently should an average freshen?






26. Fear can disrupt milk letdown in a cow. The hormone released that causes this disruption is...






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






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






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






30. 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.






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






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






33. Bovine Progressive Degenerative Myeloencephalopathy (BPDME) is better known as Weaver Syndrome because of...






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






35. All U.S. dairy farms are inspected by state inspectors through a program coordinated by the Food and Drug Administration. Inspectors follow a publication called the PMO. What does PMO stand for?






36. What is subcutaneous injection?






37. All milking equipment must be sanitized...






38. NRC






39. What is subcutaneous injection?






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






41. FSA






42. Which trait is worth the most points according to the Dairy Cow Unified Score Card?






43. What is Milk Fever paresis caused by?






44. 98% of somatic cells are...






45. The portion of the ruminant digestive system which consists of many folds of tissue is the...






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






47. Manure digesters convert _______________ fuel into electricity.






48. Each animal inherits certain genes from both parents. What percentage of genes does a calf receive from its sire?






49. What is the sex chromosome configuration of a male calf?






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