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Dairy Cattle Basics

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Answer 50 questions in 15 minutes.
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1. What is the classification for a Holstein cow given the numerical value 80-84.9?
Enteritis
Gonadotropin Releasing Hormone
Good plus
NAtional Research Council

2. A mutation where calves have little or no control over the movement of their legs is called...
The weaving gait of affected cattle
Limber leg
Carbon Dioxide Gas
85

3. Parallel milk barns typically have several cows on each side. The cows are arranged in a ____________ fashion in this barn.
24
Cows Milk production this month divided by production last month X 100
101.5 degrees F
Side by side (head out)

4. What percent moisture should corn silage be chopped at when stored in horizontal bunker silos or bags?
Increase - 5
70% moisture
Abortion
80

5. The two main problems that effect reproduction are...
Texas Commission on Environmental Quality
Guernsey
Nitrogen
Heat detection and conception rates

6. On average - how many weekd after freshening does a cow's dry matter intake peak?
Relative Forage Value
12-14 weeks
A minimum of every 6 months
Drug residue

7. At what isoelectric point (point at which proteins have net zero charge) do caseins precipitate?
The weaving gait of affected cattle
Post-synch
PH 4.6
Prussic acid poisoning

8. If a dairy bull has been genetically tested to determine his genomic make-up - this will be indicated on his pedigree by what letters?
Guernsey and Jersey
GTPI
10%
Feed

9. NFO
National Farmers Organization
Animal Improvement Program Lab
282 days
Rolling Herd Average

10. What is the accepted standard length for a lactation record in dairy cattle?
Interdigital phlegmon
Urea
A B-Vitamin
305 days

11. Which one of the following is NOT classified as a water soluble-vitamin?
Transponders
After each use
Two
Vitamin A

12. 98% of somatic cells are...
Hormones
Leukocytes
100
Transponders

13. Which one of the following is not classified as a fat‐soluble vitamin?
Once every 12 months
Interdigital phlegmon
60
Vitamin B

14. What numerical value does a Holstein cow get when given the classification excellent?
Animal Improvement Program Lab
90-100
Rolling Herd Average
6 hours

15. What percent of lactating dairy cows have oxytocin in their bloodstreams during milking?
Vibriosis
100%
Cows Milk production this month divided by production last month X 100
Sire conception rate

16. EU
Milking Shorthorn
Water
Citrate
European Union

17. What manure waste management puts solids in a bin and lets it degrade?
Nonstructural Carbohydrates
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.
% Degradable proteins
Composting

18. BFP
Food Animal Residue Avoidance Databank
Basic Formula Price
Rumen and reticulum
The initiation of milk secretion

19. How many chromosomes does the nucleus of each reproductive cell have in dairy cattle?
3 years
30
100
Modified Live Virus

20. One ejaculation from a bull typically contains _________________ sperm
9 weeks
Twice/day
5000000
Large Plastic Bags

21. Fear can disrupt milk letdown in a cow. The hormone released that causes this disruption is...
Relative Forage Value
300 + degree
It is not necessary to supplement the intake of Vitamin B complex
Epinephrine

22. The condition in which the cow is giving more milk than nutrients that she is consuming in feed is called...
Reticulum
Integrated pest management
Negative net energy balance
Inguinal

23. Dairy cows need roughage to concentrate ratio of approximately ______________ to maintain the desired fat content in the milk.
Niacin
Oxytocin
40/60
Bovine Somatotropin

24. Dairy cattle have a ________ field of vision to their front
Rump
60
Nonfat Dry Milk
300 + degree

25. Corn silage stored in sealed upright silos should be ensiled at what moisture?
Administered via blood vessels
25%
No less than 60% moisture
50

26. Which dairy breed has a restriction for disallowing black markings?
Rolling Herd Average
The influence of the sire of the cow on calving ease
Udder
Milking Shorthorn

27. Milking time is best reduced by...
Preparing cows properly
Allowing them access to their new born calf for the 1st 30 days
Cows Milk production this month divided by production last month X 100
Mycotoxins

28. A Babcock test may be used to measure the __________ % of milk.
Dished
Intravenous injection of calcium gluconate
The influence of the sire of the cow on calving ease
Fat

29. Which compartment of a dairy cow's stomach is located closest to the heart and it is a spot where hardware disease occurs?
The influence of the sire of the cow on calving ease
No less than 60% moisture
Reticulum
Oxytocin

30. What percent of lactating dairy cows have oxytocin in their bloodstreams during milking?
XY
3 years
100%
60 days

31. Which mineral functions in maintaining osmotic pressure - acid-base balance - and body fluid balance?
Mycobacterium bovis
Sodium
Increase - 5
Non-forage Carbohydrates

32. Which hormone produced by the uterus causes regression of the corpus luteum?
Calories
Reticulum
PGF
Jersey

33. Why is fat added to dairy rations?
Collecting the methane gas being produced and using it as an energy source on the dairy
The cows leave the milkers via an alley wide enough to allow 2 or more cows side by side
Between 6.0 and 6.5
To add a concentrated form of energy

34. What is the scientific term for birth?
Parturtion
Hardware disease
30
Rumen

35. The hooks and pins on an animal relate most closely to the...
Rump
2.25
Enteritis
Vitamin B

36. Dairy cattle where first successfully cloned in the_______________.

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37. What mineral is necessary for hemoglobin formation?
3.0
Copper
Side by side (head out)
Administered under the skin

38. If the freezing point of a sample of raw milk is above 30 degrees F this indicates...
Rumen and reticulum
It is not necessary to supplement the intake of Vitamin B complex
High % of water
Small intestine

39. What is the reasonable score for body condition at mid-lactation?
Administered in the muscle
3.0
When it is proven that she will breed
Cation-Anion Difference

40. A dairy expects to cull approximately _________% of their herd each year.
Water
Neutral Detergent Fiber
25-30
Once every 12 months

41. Cows produce pheromones which...
Attract the opposite sex
Abortion
282 days
Brown Swiss

42. Which one of the following is the largest dairy milk marketing cooperative in the U.S.?
1957
PGF
Between 28 to 30 days
Dairy Farmers of America (DFA)

43. Regarding feed formulation - What does CAD stand for?
Left side of the body
Cation-Anion Difference
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.
Cows Milk production this month divided by production last month X 100

44. FSIS
Food safety and Inspection Service
Bangs
Lignin
30%

45. What bacterium causes cattle tuberculosis (TB)?
12-14 weeks
Mycobacterium bovis
Body weight
Lactation records have been adjusted to the same milk fat percentage

46. Crude fiber in a dietary ration must be at least ___% or milk fat percent will decrease.
60 days
Composting
18
International Dairy Foods Associactions

47. Rotary Parlors or Carousel milk barns have the advantage of being ________________ when compared to other type barns.
16-18
Faster
Digital Dermatitis
Abomasum

48. Normal presentation of a calf for parturition will have...
Heifer
Lignin
Front feet toward rear of the cow with head - nose first - between them
The abomasums of a milk fed calf

49. What units are used to measure energy?
Vibriosis
Feed
Calories
Faster

50. Milk with over_____________ somatic cell count cannot legally be shipped in the United States?
Good plus
Feed
20 to 24
750000

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Dairy Cattle Basics

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