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. Cattle grazing stressed on wilted hybrid sorghum/Johnson grass type pasture - may die as a result of ________________.






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






4. After insemination - how long do sperm live in the cow's reproductive tract?






5. Which purebred dairy breed association introduced a 'dairy price stabilization' program in 2009?






6. What bacterium causes Johne's disease in cattle?






7. How often will HACCP inspect each Dairy Farm?






8. The rear quarters produce __________% of the daily milk yield.






9. 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?






10. Body condition scores form 1 to 5 are used to track herd health and nutrition. Dry cows should have a body score from...






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






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






13. 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...






14. What female hormone causes follicles to begin to develop?






15. Which of the following diseases is not caused by a virus?






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






17. One ejaculation from a bull typically contains _________________ sperm






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






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






20. 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).






21. The medical name tarsal hygroma - a commonaliment of dairy cows is commonly called...






22. HTST is a ______________






23. Which of the following is the most popular type of cheese in the United States?






24. Which of the following is an infectious disease?






25. Milk with over_____________ somatic cell count cannot legally be shipped in the United States?






26. Producers using BST must give their cows an injection of it every...






27. 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...






28. What describes the fraction of the ration proteins - which is broken down by digestive enzymes and utilized by rumen bacteria?






29. 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).






30. If a dairy bull has been genetically tested to determine his genomic make-up - this will be indicated on his pedigree by what letters?






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






32. FAS






33. Rumen bacteria enable dairy cattle to utilize which feed supplement?






34. %DBH






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






36. What is the accepted standard length for a lactation record in dairy cattle?






37. This bacteria causes 'Circling Disease' in cattle...






38. Where are structural carbohydrates found in the plant?






39. In regards to pedigrees - What is a RHA?






40. Many dairies place bands on their cows necks or feet - with black boxes containing electronic I.D. - production - management information. These units are called...






41. What bacterium causes cattle tuberculosis (TB)?






42. When comparing bulls for artificial insemination - What does 'SCR' stand for?






43. The hormone BST is given to dairy cows...






44. Parallel milk barns typically have several cows on each side. The cows are arranged in a ____________ fashion in this barn.






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






46. What ration ingredients contain the highest concentration of energy?






47. When compared to normal corn silage - brown mid-rib corn silage has more energy and high digestibility. This is due largely to its lower content of__________.






48. What are the two types of ovarian cysts?






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






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