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






2. To maintain margins - you should be monitoring and making decisions based on your herd's IOFC. What do the initials IOFC stand for?






3. On the PDCA Unified Dairy Score Card - the category 'feet and legs' accounts for how many points?






4. The _____________is the device responsible for regulating both the vacuum level and the proportion of the vacuum for the front and rear quarters






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






6. NMPF






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






8. The major advantage of a 'low-line' milk line as compared to the older 'high-line' is...






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






10. A bovine female which has not had a calf is a...






11. What is a nonfunctional mammary gland called?






12. The portion of the ruminant digestive system which is known as and functions as the 'true' stomach is the...






13. BVD






14. 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?






15. Manure digesters convert _______________ fuel into electricity.






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






17. What machine is used to determine if water has been added to milk?






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






19. A Milking herd's TMR should be available to cows how many hours throughout the day?






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






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






22. Dairy cows need roughage to concentrate ratio of approximately ______________ to maintain the desired fat content in the milk.






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






24. Limber leg is found most often in the ____________ dairy breed?






25. The annual sale of dairy semen exceeds __________ straws.






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






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






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






29. Adequate consumption of long fiber roughage is important to both milk production and herd heath. A long fiber roughage is one that is...






30. Heart girth measurements of cows may be used to estimate...






31. One of the highest heritability traits for milk is...






32. What units are used to measure energy?






33. Which of the following is not a commonly usedestrus synchronization program for dairy cattle?






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






35. When does the greatest mammary tissue growth occur during a cow's life?






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






37. Dairy cattle where first successfully cloned in the_______________.

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






39. Regarding feed formulation - What does CAD stand for?






40. USAHA






41. NRC






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






43. What is the most abundant mineral in the body?






44. The two main problems that effect reproduction are...






45. The hormone ______________ stimulates milk let down and may be administered via injection - when necessary after parturition.






46. The milk produced on a dairy must be moved through a system of components and piping made from...






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






48. A dairy expects to cull approximately _________% of their herd each year.






49. 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?






50. 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.