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






2. How many grams of lactose are in an 8 oz. glass of milk?






3. When using a body condition scoring system of 1 to 5 - What does a score of 5 mean?






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






5. What should the pH of a 'close up' Holstein's urine be?






6. Blood vessels that transport blood away from the heart are called...






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






8. For best results calves should be fed colostrum within ____ hours of calving...






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






10. 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?






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






12. 98% of somatic cells are...






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






14. BFP






15. Cows produce pheromones which...






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






17. Some Texas dairymen are placing Bermuda and/or corn forage into ______________ for fermentation and silage production.






18. NSC






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






20. Fumonsin and zearalenone are examples of...






21. When a cow comes into heat every few days - she is referred to as?






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






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






24. Corn silage - stored in upright - top-unloading silos - should be chopped at which percent moisture?






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






26. In a cow - where would you find the alveolus?






27. Milk sugars are not very soluble. Some people have difficulty hydrolyzing them in their bodies. This problem is called _________________.






28. Cows have _____ streak canals per teat.






29. 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?






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






31. How many chromosomes does the nucleus of each reproductive cell have in dairy cattle?






32. When using sexed semen - conception rates are _________ percent of the conception rates achieved when using unsexed semen under the same conditions?






33. The standard length of the dry period in dairy cattle is ________?






34. A switch on a cow is...






35. When using sexed semen - conception rates are _________ percent of the conception rates achieved when using unsexed semen under the same conditions?






36. FAS






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






38. All milking equipment must be sanitized...






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






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






41. The source of rennet (a substance used in cheese making) is...






42. 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...






43. GATT






44. When using a body condition scoring system of 1 to 5 - What does a score of 5 mean?






45. A cow with high lactation persistence is important for a dairy's economic success. Lactation persistency is...






46. Dairy cattle have a ________ field of vision to their front






47. A Babcock test may be used to measure the __________ % of milk.






48. EU






49. What is a common name for infectious kerato conjunctivitis?






50. Jersey cattle are characterized by having a ______________ face...