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Dairy Cattle Basics

Instructions:

Answer 50 questions in 15 minutes.
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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 numerical value does a Holstein cow get when given the classification good?
Composting
Epinephrine
75-79.9
Urea

2. Colostrum given to a baby calf more than ____________hours old is NOT absorbed and thus does little good.
Abomasum
24
Food Animal Residue Avoidance Databank
Blind quarter

3. The topline of a cow is made up of the...
Flank
Holstein
50-70
Loin and chine

4. What is the approximate time of ovulation in cattle after the beginning of heat?
Large intestines
30 hours
10 days
Nitrogen excretion

5. What is an anion?
Omasum
A negatively charged ion
Holstein
Carbon

6. A free martin is considered a...
25-30
Percentage of Difficult Births in Heifers
Silage
Sterile heifer born twin to a bull

7. When looking at DHI records - what do the letters RHA stand for?
Rolling Herd Average
Mycobacterium bovis
Two weeks prior to calving
3.5-4.0

8. How many days after breeding can a pregnancy be detected by ultrasound?
40 degrees F
Negative net energy balance
Between 28 to 30 days
Udder

9. Body condition scores form 1 to 5 are used to track herd health and nutrition. Dry cows should have a body score from...
3.5-4.0
Farm Service Agency
6 hours
Udder

10. A perfect score for a cow according to the Dairy Cow Unified Score Card is...
Mycobacterium Paratuberculosis
100
Farm Service Agency
25

11. Which of the following is not a commonly usedestrus synchronization program for dairy cattle?
Fat residue
10
Abomasum
Post-synch

12. NFO
20 to 24
National Farmers Organization
PH 4.6
Silage

13. What percent of the cows feed intake is consumed during the daylight hours?
Udder
Composting
70%
A minimum of every 6 months

14. Milking time is best reduced by...
Cheddar cheese
Preparing cows properly
Longer than 1.5 inches
Silage

15. In reference to reproduction - What does CL stand for?
Mycobacterium bovis
Corpus Luteum
Cows Milk production this month divided by production last month X 100
A minimum of every 6 months

16. Milk let down in a dairy cow may be stimulated by...
Feeding the cow
Between 28 to 30 days
It is not necessary to supplement the intake of Vitamin B complex
24

17. Cows have _____ streak canals per teat.
Administered under the skin
Decreases - increases
Cows Milk production this month divided by production last month X 100
1

18. 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?
Calories
Alfalfa and Clover
Integrated pest management
90-100

19. FSA
Farm Service Agency
Rolling Herd Average
Follicular and luteal
Gonadotropin Releasing Hormone

20. What type of mastitis is the easiest to cure?
Holstein
Streptococus agalactae
Epinephrine
Flank

21. A mutation where a calf is born with a single toe on one or more feet is called...
Reproductive failure
Abortion
Mule-foot
The weaving gait of affected cattle

22. Mule-foot is found most often in ___________dairy breed?
Fat residue
You S Animal Health Association
Loin and chine
Holstein

23. When reffering to vaccinations - what do the letters MLV stand for?
Listeria
Modified Live Virus
Urea
A B-Vitamin

24. After insemination - how long do sperm live in the cow's reproductive tract?
24 hours
Fats
Brown Swiss
Administered under the skin

25. What is the hormone that causes Uterine contractions to assist in parturition?
Oxytocin
MyDairy
Lactose intolerance
Cheddar

26. Fear can disrupt milk letdown in a cow. The hormone released that causes this disruption is...
The cows leave the milkers via an alley wide enough to allow 2 or more cows side by side
Streptococus agalactae
Hardware disease
Epinephrine

27. BST is the acronym for what compound?
Clipping and singeing
% Degradable proteins
Bovine Somatotropin
750000

28. Which mineral is found in high concentrations in soft tissues such as the pancreas - liver - and kidney?
Faster
Zinc
50
Administered under the skin

29. Fermented forage plants relates to...
Silage
Total Production Index
Mastitis
Texas Commission on Environmental Quality

30. According to the NRC - what percent calcium should a dry cow ration contain?
.39%
Longer than 1.5 inches
NAtional Research Council
Side by side (head out)

31. A condition of low blood calcium - which results in partial paralysis of the cow is known as __________________.
Milk fever
8.62 pounds
3 years
Alfalfa and Clover

32. IPM
Integrated pest management
Allowing them access to their new born calf for the 1st 30 days
87%
Milk fever

33. GATT
Increase - 5
Cheddar cheese
General Agreement on Tariff and Trade
15 months

34. In a sire's proof - daughters' calving ease measures __________________.
National Milk Producers Federation
Bovine Somatotropin
9%
The influence of the sire of the cow on calving ease

35. Manure digesters convert _______________ fuel into electricity.
Holstein
Methane
Corpus Luteum
Alfalfa and Clover

36. The rumen of a mature cow will hold approximately...
2000's
It is not necessary to supplement the intake of Vitamin B complex
40 gallons
National Milk Producers Federation

37. A Babcock test may be used to measure the __________ % of milk.
9 weeks
Administered via blood vessels
Black leg
Fat

38. USDEC
It has a lower vacuum requirement
60 days
Relative Forage Value
United States Dairy Export Council

39. The only aspect of milk quality that can be completely controlled on the farm is ______________.
Esophageal groove
45-55
The influence of the sire of the cow on calving ease
Drug residue

40. USAHA
100
Intravenous injection of calcium gluconate
You S Animal Health Association
750000

41. Milk should be below what temperature before it is transferred to a milk truck?
Holstein
Mammals
40 degrees F
50 percent

42. What manure waste management method runs manure across a press and squeezes the water out?
25%
Solids removal
4 years
25-30

43. A rolling herd average (RHA) is based on how many months?
A B-Vitamin
Twelve
Dairy character
The tendency for a group of animals to do the same thing at the same time

44. What units are used to measure energy?
Calories
Cryoscope
Udder
Carbon

45. On average - how many weekd after freshening does a cow's dry matter intake peak?
5000000
Cellulose - hemicellulose - and lignin
12-14 weeks
Reproductive failure

46. Milk with over_____________ somatic cell count cannot legally be shipped in the United States?
5
Mycobacterium Paratuberculosis
Back flushing
750000

47. NRC
NAtional Research Council
Bovine Viral Diarrhea
Prevent ingested metal objects from interfering with the digestive tract or the respiratory system
3.0

48. Neospora caninum is a major cause of what in pregnant cows?
Chine
Bangs
Net Energy
Abortion

49. What are two methods for shortening udder hair?
Clipping and singeing
101.5 degrees F
14 days
Cows Milk production this month divided by production last month X 100

50. When does the greatest mammary tissue growth occur during a cow's life?
Lactation records have been adjusted to the same milk fat percentage
Parturient paresis
During the first pregnancy
305 days