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. Why is fat added to dairy rations?






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






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






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






5. Which dairy breed has a restriction for disallowing black markings?






6. %DBH






7. PTAT






8. When discussing feed mixers - What is the range of manufacturers recommmended mixing times?






9. What acid is formed when nonstructural carbohydrates are digested in the rumen?






10. What mineral is necessary for hemoglobin formation?






11. IDFA






12. If there are large numbers of flies around the dairy barn - what should be the first thing to be examined in an attempt to solve the fly problem?






13. CCC






14. What mineral is necessary for hemoglobin formation?






15. Colostrum given to a baby calf more than ____________hours old is NOT absorbed and thus does little good.






16. How frequently should an average freshen?






17. GATT






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






19. A cow's gestation period is _______ long?






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






21. NAFTA






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






23. What is a TMR to a dairy person?






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






25. Mule-foot is found most often in ___________dairy breed?






26. dairy cow may not reach her highest milk yield until she is...






27. When sanitizing milking equipment with water - the temperature must be a minimum of 170 degrees F and the utensils are to be under the flow of water for ____________ minute(s).






28. The most costly form of mastitis is?






29. NAFTA






30. The breed of dairy cow generally credited with producing the highest % of both milk fat and protein is the...






31. NSC






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






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






34. 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?






35. Dairy rations - especially those for high producing cows - may be buffered to maintain a desirable rumen pH. The most common buffering agent for this is...






36. Bulk tanks must be emptied and cleaned every _____ hours.






37. What acid is formed when nonstructural carbohydrates are digested in the rumen?






38. What percentage of whole milk is fat when compared on a dry matter basis?






39. IPM






40. A free martin is considered a...






41. What do nonstructural carbohydrates consist of?






42. To dairymen - the most harmful disease impacting milk production and their economic bottom line is...






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






44. Fumonsin and zearalenone are examples of...






45. Most dairies in Texas are considered to be CAFO's. A CAFO is...






46. How many days after breeding can a pregnancy be detected by ultrasound?






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






48. Which of the compartments of a cow's four-compartment stomach acts as the true stomach?






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






50. 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?