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






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






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






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






5. Lactation is unique to _________.






6. Feeding proper rations during the summer is important for both cow comfort and maintaining milk production. Which nutrient is most important during the summer months?






7. As a rule of thumb when milk production ________ - the milk fat content _______






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






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






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






11. When the environmental temperature falls below 30°F - the normal diet of a young calf should be supplemented with _______________?






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






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






14. Abortion in the last trimester of pregnancy is often caused by_______________.






15. Which one of the following is not classified as a fat‐soluble vitamin?






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






17. A free martin is considered a...






18. What bacterium causes cattle tuberculosis (TB)?






19. CCC






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






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






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






23. FAS






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






25. A dairy cow that has her feet too far forward (under her belly) is said to be...






26. What percent of crude protein should a calf starter be?






27. Colostrum given to a baby calf more than ____________hours old is NOT absorbed and thus does little good.






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






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






30. According to the American Veterinary Medicine Association - the preferred method of dehorning young calves is_________.






31. A dairy expects to cull approximately _________% of their herd each year.






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






33. What percent moisture should corn silage be chopped at when stored in horizontal bunker silos or bags?






34. The hormone ______________ stimulates milk let down and may be administered via injection - when necessary after parturition.






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






36. 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...






37. BVD






38. A material used in a footbath for cows with foot rot problems is...






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






40. Hairy Heel Wart is scientifically known as what?






41. 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?






42. What is an anion?






43. Bovine Progressive Degenerative Myeloencephalopathy (BPDME) is better known as Weaver Syndrome because of...






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






45. The top most part of a cow's head is called the...






46. What do nonstructural carbohydrates consist of?






47. Almost 95% of the dairy cows in the U.S. are...






48. What manure waste management method runs manure across a press and squeezes the water out?






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






50. Which reproductive condition results when the fetal membranes remain within the uterus for an extended period following parturition?