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 are two methods for shortening udder hair?






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






3. What is lactogenesis?






4. CCC






5. Where are structural carbohydrates found in the plant?






6. It is widely acknowledged that a calcium/phosphorus ration of about ______________ is best for a dairy ration since this mirrors that of the cows' body.






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






8. Fresh milk - at a dairy - is required to be cooled to a minimum of 50 degrees F within 4 hours time after milking. However many larger dairies are using a _______________ to accomplish this within minutes.






9. BFP






10. A calf's birth weight is approximately ________% of its' mature weight.






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






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






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






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






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






16. Milking time is best reduced by...






17. In the reproductive tract of a dairy cow - how many uterine horns are there?






18. On the PDCA Unified Dairy Score Card - the category 'dairy strength' accounts for how many points?






19. In which breed of cow is the incidence of milk fever most common?






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






21. What hormone is responsible for maintaining pregnancy?






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






23. FSIS






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






25. What is the USDA's AIPL?






26. High potassium intake will decrease a cows ability to mobilize what?






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






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






29. What is the classification for a Holstein cow given the numerical value of less than 70?






30. After a bulk tank is washed and rinsed - beading of water droplets is a sign of _____.






31. What state agency regulates waste management?






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






33. How many das into a pregnancy can a fetus be sexed by ultrasound?






34. Recent research traits have shown that dairy cows prefer to be milked __________ times/day if they are able to choose.






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






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






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






38. In regards to dairy production RHA refers to...






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






40. What are the four composite indexes calculated by the Holstein Association?






41. What percent of milk is water?






42. What stomach compartments are not developed in a newborn calf?






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






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






45. What is the name of the term for a farm's unique identification number that is part of the National Animal Identification System?






46. On average - how many weekd after freshening does a cow's dry matter intake peak?






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






48. What is the most abundant mineral in the body?






49. Generally - high-producing Holsteins eat ___________ pounds of dry matter per day?






50. BST is the acronym for what compound?