Test your basic knowledge |

Dairy Cattle Basics

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?
Feed low potassium hay - silage - and anionic salts to dry cows
To add a concentrated form of energy
Parturient paresis
Rumen and reticulum

2. In cows - salmonellosis infections are most common in those that have calved within __________.
Decreases - increases
Nonprotein nitrogen
Retained placenta
10 days

3. 'Thurl position' is a trait evaluated in the ________ category on the PDCA Unified Scorecard?
Between 6.0 and 6.5
Rear feet and legs
Bone calcium
Disbudding

4. When evaluating dairy rations what do the letters NE stand for?
Retained placenta
Laminitis
Vitamin B
Net Energy

5. Which dairy breed has a restriction for disallowing black markings?
Milking Shorthorn
3 years
Longer than 1.5 inches
In the cell wall

6. %DBH
Epinephrine
The initiation of milk secretion
Percentage of Difficult Births in Heifers
Dairy Comp 305

7. PTAT
Commodity Credit Corporation
Rear feet and legs
Cystic
Predicted Transmitting Ability-Type

8. When discussing feed mixers - What is the range of manufacturers recommmended mixing times?
3-6 minutes
Transponders
Sterile heifer born twin to a bull
The abomasums of a milk fed calf

9. What acid is formed when nonstructural carbohydrates are digested in the rumen?
Prussic acid poisoning
Parallels out performed herringbones by nearly 8%
Propionic acid
It is not necessary to supplement the intake of Vitamin B complex

10. What mineral is necessary for hemoglobin formation?
15 months
Parathyroid gland
Limber leg
Copper

11. IDFA
International Dairy Foods Associactions
100
Total Digestible Nutrients
Jersey

12. If there are large numbers of flies around the dairy barn - what should be the first thing to be examined in an attempt to solve the fly problem?
Limber leg
Manure handling procedures
Progesterone
MyDairy

13. CCC
The bottom most part of the tail
3 years
Commodity Credit Corporation
Brucellosis

14. What mineral is necessary for hemoglobin formation?
Copper
100
6 hours
50-80%

15. Colostrum given to a baby calf more than ____________hours old is NOT absorbed and thus does little good.
Vitamin K
Sodium Bicarbonate
24
Body weight

16. How frequently should an average freshen?
20-30%
Sole
Increase - 5
Once every 12 months

17. GATT
1
General Agreement on Tariff and Trade
.39%
100

18. Limber leg is found most often in the ____________ dairy breed?
Parturtion
Gonadotropin Releasing Hormone
Jersey
Feed

19. A cow's gestation period is _______ long?
30 hours
282 days
25-30
By dividing the total amount of milk produced in the past 365 days by the total number of cow years in the herd last year.

20. Fear can disrupt milk letdown in a cow. The hormone released that causes this disruption is...
Administered in the muscle
Texas Commission on Environmental Quality
Epinephrine
5-9 years old

21. NAFTA
North American Free Trade Agreement
National Farmers Organization
Basic Formula Price
Alfalfa and Clover

22. Milk traits - i.e. fat - protein - SNF and etc. - tend to have a heritability of about...
Potassium
Cows Milk production this month divided by production last month X 100
Enteritis
20-30%

23. What is a TMR to a dairy person?
Low blood levvels of ionized calcium
30%
Total Mixed Ration
15 months

24. What is the approximate time of ovulation in cattle after the beginning of heat?
Bone calcium
30 hours
Rear feet and legs
3-6 minutes

25. Mule-foot is found most often in ___________dairy breed?
Large Plastic Bags
Holstein
Udder
Milking Shorthorn

26. dairy cow may not reach her highest milk yield until she is...
Sterile heifer born twin to a bull
5-9 years old
Corpus Luteum
To add a concentrated form of energy

27. 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).
Back flushing
5
3-6 minutes
Jersey

28. The most costly form of mastitis is?
Mixer box on a truck or trailer
Vitamin B
Subclinical
The weaving gait of affected cattle

29. NAFTA
North American Free Trade Agreement
20000000
The weaving gait of affected cattle
A minimum of every 6 months

30. The breed of dairy cow generally credited with producing the highest % of both milk fat and protein is the...
Jersey
3 years
Vitamin A
They may be bothersome to livestock and other animals

31. NSC
25 gallons
10%
Nonstructural Carbohydrates
9 weeks

32. To maintain margins - you should be monitoring and making decisions based on your herd's IOFC. What do the initials IOFC stand for?
30 hours
Income over feed costs
Guernsey
Heifer

33. What is the most essential nutrient in animal feeding animals and maintaining health?
Rumen and reticulum
30%
Dairy character
Water

34. 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?
Water
Decreases - increases
North American Free Trade Agreement
Net Energy

35. 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...
Rolling Herd Average
Sodium Bicarbonate
Sickle hocked
Guernsey and Jersey

36. Bulk tanks must be emptied and cleaned every _____ hours.
The tendency for a group of animals to do the same thing at the same time
Holstein
72
Dairy Comp 305

37. What acid is formed when nonstructural carbohydrates are digested in the rumen?
Propionic acid
Copper sulfate
National Farmers Organization
Rear feet and legs

38. What percentage of whole milk is fat when compared on a dry matter basis?
Between 28 to 30 days
25%
High % of water
Once every 12 months

39. IPM
Between 6.0 and 6.5
Integrated pest management
Milk on Demand
75%

40. A free martin is considered a...
Sterile heifer born twin to a bull
Dairy Farmers of America (DFA)
Side by side (head out)
Decreases - increases

41. What do nonstructural carbohydrates consist of?
Transponders
Increase - 5
Cryoscope
Plant starch - pectin - and sugar

42. To dairymen - the most harmful disease impacting milk production and their economic bottom line is...
XY
Mastitis
Subclinical
Bone calcium

43. What breed is known to produce milk over a greater number of years than all other breeds?
Streptococus agalactae
Pasteurizing system
Lactose intolerance
Brown Swiss

44. Fumonsin and zearalenone are examples of...
Total Digestible Nutrients
Rolling Herd Average
Urea
Mycotoxins

45. Most dairies in Texas are considered to be CAFO's. A CAFO is...
60 days
Guernsey
Concentrated Animal Feeding Operation
Rolling Herd Average

46. How many days after breeding can a pregnancy be detected by ultrasound?
Neutral Detergent Fiber
Jersey
Enteritis
Between 28 to 30 days

47. The two main problems that effect reproduction are...
Stainless steel
Udder
Dished
Heat detection and conception rates

48. Which of the compartments of a cow's four-compartment stomach acts as the true stomach?
Follicle stimulating hormone
Abomasum
Nonfat Dry Milk
Basic Formula Price

49. When doing classification scoring - a cow given the numerical value of 85-89.9 is classified as...
Very good
Reproductive failure
Citrate
Feed low potassium hay - silage - and anionic salts to dry cows

50. Cow comfort has been linked to milk production in numerous research studies. Not an example of a way to improve cow comfort used by dairymen?
5-9 years old
Allowing them access to their new born calf for the 1st 30 days
Holstein
Texas Commission on Environmental Quality