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 do nonstructural carbohydrates consist of?






2. The portion of the milker unit that first receives the milk as it is withdrawn from the cow is the...






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






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






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






6. 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).






7. NSC






8. When feeding close-up cows a calcium deficient diet - which gland is simulated?






9. 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...






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






11. How is a dairy's RHA calculated?






12. USAHA






13. Coccidia infection can occur when calves are 4 to 8 weeks old. Coccidia causes...






14. Which one of the following is the name of the part of the cow's back that lies between the withers and the loin?






15. 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?






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






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






18. Milk let down in a dairy cow may be stimulated by...






19. Heritability for milk production in dairy cattle is...






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






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






22. In reference to reproduction - What does CL stand for?






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






24. The two U.S. dairy breeds that originated in the Channel Islands off the coast of France are...






25. What is Milk Fever paresis caused by?






26. What is the reasonable score for body condition at mid-lactation?






27. NFO






28. The dairy breed which produces the highest volume of milk is the...






29. Feeding bulky feeds during the dry period and gradually bringing fresh cows back on grain are ways to prevent...






30. Protein is a combination of amino acids. The amino acids are unique among compounds involved in nutrition because they contaIn what element?






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






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






33. The number one reason for culling in U.S. dairy herds is...






34. What is subcutaneous injection?






35. 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?






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






37. The dairy breed which produces the highest volume of milk is the...






38. USAHA






39. The topline of a cow is made up of the...






40. Cows treated with BST typically show an increase in milk production of...






41. When examining feed rations - what do the letters NDF stand for?






42. A disease causing air bubbles under the skin and usually results in rapid death is __________.






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






44. What percent of milk is water?






45. A condition of low blood calcium - which results in partial paralysis of the cow is known as __________________.






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






47. Corn silage stored in sealed upright silos should be ensiled at what moisture?






48. NFO






49. CCC






50. When evaluating a dairy ration - what do the letters TDN stand for?