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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 combines the Predicted Transmitting Ability for protein - fat - type and udder composite index and ranks the animal on its ability to transmit a balance of these four traits






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






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






4. At what isoelectric point (point at which proteins have net zero charge) do caseins precipitate?






5. A mutation where a calf is born with a single toe on one or more feet is called...






6. What is lactogenesis?






7. According to recent USDA surveys - What is the most popular age to wean dairy calves?






8. A dairyman may milk in a rapid exit barn. This simply means that...






9. Colostrum has approximately _____ calcium - as does regular milk.






10. What numerical value does a Holstein cow get when given the classification good?






11. Dairy cattle where first successfully cloned in the_______________.

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






13. Which one of the following is NOT classified as a water soluble-vitamin?






14. New computerized robotic milk stations are becoming a reality today. They have different names but one common one is MOD system. MOD means...






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






16. Fats are broken down by a dairy cow In what part of her body?






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






18. When referring to rations - what do the letters NFC stand for?






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






20. Ways to avoid milk fever in cows






21. What state agency regulates waste management?






22. Cows produce pheromones which...






23. When referring to milk test used at the processing plant - What is a DMC?






24. If the freezing point of a sample of raw milk is above 30 degrees F this indicates...






25. How did parallels perform when compared to herringbones?






26. Cows have _____ streak canals per teat.






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






28. 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?






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






30. When a small metal object punctures the stomach wall and causes an infection - the resulting disease is called____________________.






31. Research has shown that by formulating lactating cow rations with proper amounts of certain amino acids - we can decrease the crude protein content of the ration and reduce _______________________?






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






33. How is a dairy's RHA calculated?






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






35. What is the average production lifetime of a dairy cow?






36. Dairy cows produce milk that is relatively high in B complex vitamins. Because they are ruminants...






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






38. A ____________ is usually necessary when feeding Dairy Cows TMR rations.






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






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






41. What is a cation?






42. A switch on a cow is...






43. A ____________gene in Black and White Holsteins is responsible for the red and white color being expressed at times...






44. The rumen of a mature cow will hold approximately...






45. What combines the Predicted Transmitting Ability for protein - fat - type and udder composite index and ranks the animal on its ability to transmit a balance of these four traits






46. Manure digesters convert _______________ fuel into electricity.






47. NFDM






48. What is a TMR to a dairy person?






49. USDEC






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







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