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Dairy Cattle Basics

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Answer 50 questions in 15 minutes.
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1. As a rule of thumb when milk production ________ - the milk fat content _______
Mule-foot
Solids removal
Decreases - increases
Direct Microscopic Counts

2. One ejaculation from a bull typically contains _________________ sperm
750000
Prevent ingested metal objects from interfering with the digestive tract or the respiratory system
GTPI
5000000

3. The most common pathogen found in raw milk is...
Percentage of Difficult Births in Heifers
Escherichia coli
Back flushing
A negatively charged ion

4. What is a TMR to a dairy person?
Duodenum
The abomasums of a milk fed calf
Guernsey
Total Mixed Ration

5. What manure waste management puts solids in a bin and lets it degrade?
XY
70% moisture
Direct Microscopic Counts
Composting

6. Pest Predators will travel up to ____ yards to find their food source (fly pupae).
72
Rolling Herd Average
Brown Swiss
80

7. Generally - high-producing Holsteins eat ___________ pounds of dry matter per day?
14 days
45-55
Dished
101.5 degrees F

8. Each animal inherits certain genes from both parents. What percentage of genes does a calf receive from its sire?
After 55 days
Administered via blood vessels
Once every 12 months
50 percent

9. Coccidia infection can occur when calves are 4 to 8 weeks old. Coccidia causes...
Holstein
35 to 40%
Sterile heifer born twin to a bull
Enteritis

10. Corn silage - stored in upright - top-unloading silos - should be chopped at which percent moisture?
101.5 degrees F
Follicular and luteal
62 to 65% moisture
In the cell wall

11. What is the most abundant mineral in the body?
305 days
Brown Swiss
Calcium
During the first pregnancy

12. Protein is a combination of amino acids. The amino acids are unique among compounds involved in nutrition because they contaIn what element?
Plate chiller
Nonprotein nitrogen
Nitrogen
PH 4.6

13. A cow with high lactation persistence is important for a dairy's economic success. Lactation persistency is...
Pink eye
Body weight
Cows Milk production this month divided by production last month X 100
Dairy Comp 305

14. Dairy Farmers frequently place a stomach magnet into their cows to...
10
Disbudding
Prevent ingested metal objects from interfering with the digestive tract or the respiratory system
Digestive

15. A ____________ is usually necessary when feeding Dairy Cows TMR rations.
Energy
Mixer box on a truck or trailer
Energy
Corpus Luteum

16. How is a dairy's RHA calculated?
Feeding the cow
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.
Rumen and reticulum
Mule-foot

17. Where are non-degradable proteins absorbed?
Pass from animals to humans and vice versa
Small Intestine
3.5-4.0
Abomasum

18. The portion of the ruminant digestive system which consists of many folds of tissue is the...
750000
Omasum
Parturient paresis
Sickle hocked

19. Dry cows need 0.8 percent K in their diet. What element is K?
Net Energy
Dairy Farmers of America (DFA)
Jersey
Potassium

20. Endocrinology is the science dealing with _______________.
Mycobacterium bovis
30
90-100
Hormones

21. 'Weaver Syndrome' is most often found in the _______________dairy breed?
Nonstructural Carbohydrates
Fat
Feed
Brown Swiss

22. EU
European Union
XY
Body weight
% Degradable proteins

23. When can a heifer calf born twin to a bull be registered?
When it is proven that she will breed
Administered in the muscle
50 percent
Faster

24. When comparing bulls for artificial insemination - What does 'SCR' stand for?
Laminitis
Sire conception rate
Faster
Manure handling procedures

25. Many dairymen 'dock' the tail on their cows much to the chagrin of Animals Rights groups. They believe This is necessary to...
Pasteurizing system
Reduce the incidence of mastitis
25-30
High % of water

26. What is the most essential nutrient in animal feeding animals and maintaining health?
Retained placenta
8.62 pounds
Bovine Viral Diarrhea
Water

27. When the environmental temperature falls below 30°F - the normal diet of a young calf should be supplemented with _______________?
Two weeks prior to calving
282 days
Brown Swiss
Energy

28. FSA
Small Intestine
Food Animal Residue Avoidance Databank
Fat
Farm Service Agency

29. The two main problems that effect reproduction are...
15 months
The influence of the sire of the cow on calving ease
Food Animal Residue Avoidance Databank
Heat detection and conception rates

30. When evaluating dairy rations what do the letters NE stand for?
Feed low potassium hay - silage - and anionic salts to dry cows
Bovine Viral Diarrhea
Net Energy
Cheese

31. What do nonstructural carbohydrates consist of?
5-9 years old
It has a lower vacuum requirement
Plant starch - pectin - and sugar
Parallels out performed herringbones by nearly 8%

32. Where are structural carbohydrates found in the plant?
Basic Formula Price
Feeding the cow
In the cell wall
Mammals

33. Milking time is best reduced by...
Sodium Bicarbonate
Preparing cows properly
Calcium
Leukocytes

34. Milk fever is also (scientifically) known as what?
Net Energy
Large Plastic Bags
Parturient paresis
Milking Shorthorn

35. What is the largest cost on most U.S. dairy farms?
Premis ID
Registered Holstein Ancestry
45-55
Feed

36. The _____________is the device responsible for regulating both the vacuum level and the proportion of the vacuum for the front and rear quarters
Nonprotein nitrogen
Pulsator
High-producing pregnant cows
Energy

37. At what isoelectric point (point at which proteins have net zero charge) do caseins precipitate?
Mycotoxins
Stainless steel
Methane
PH 4.6

38. How did parallels perform when compared to herringbones?
Parallels out performed herringbones by nearly 8%
4 years
Loin and chine
Very good

39. dairy cow may not reach her highest milk yield until she is...
5-9 years old
50-80%
300 + degree
Carbon Dioxide Gas

40. What percentage of whole milk is fat when compared on a dry matter basis?
25%
Listeria
Feed
Retained placenta

41. This vitamin plays a role in the coagulation of blood...
Copper sulfate
Vitamin K
Leukocytes
Relative Forage Value

42. What combines the Predicted Transmitting Ability for protein - fat - type and udder composite index and ranks the animal on its ability to transmit a balance of these four traits
Nonstructural Carbohydrates
Progesterone
Total Production Index
20 to 24

43. Which trait is worth the most points according to the Dairy Cow Unified Score Card?
Vitamin B
Udder
Parathyroid gland
Roughage

44. How many days after breeding can a pregnancy be detected by ultrasound?
85
Guernsey
Between 28 to 30 days
The bottom most part of the tail

45. What is the classification for a Holstein cow given the numerical value 80-84.9?
10
Good plus
After 55 days
Udder

46. What is another term for the lowest lateral regions of the abdomen - near the groin?
70%
Inguinal
A positively charged ion
Holstein

47. In the reproductive tract of a dairy cow - how many uterine horns are there?
62 to 65% moisture
Two
Mud - water - and manure
Vibriosis

48. Manure management is a major concern for most modern - large-scale dairies. The newest management techniques being used involve...
Leukocytes
Collecting the methane gas being produced and using it as an energy source on the dairy
After 200 days of lactation
6 hours

49. What are the four composite indexes calculated by the Holstein Association?
After 200 days of lactation
16-18
60
Udder - feet and legs - body form - & dairy character

50. Proponents of global warming having accused cows of being a major factor. This is due to their release of...
Back flushing
Carbon Dioxide Gas
Predicted Transmitting Ability-Type
Large intestines

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Dairy Cattle Basics

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