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Dairy Cattle Basics

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Answer 50 questions in 15 minutes.
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1. What is lactogenesis?
Administered via blood vessels
Udder - feet and legs - body form - & dairy character
The cows leave the milkers via an alley wide enough to allow 2 or more cows side by side
The initiation of milk secretion

2. GATT
5
Pink eye
General Agreement on Tariff and Trade
Copper

3. What percent moisture should corn silage be chopped at when stored in horizontal bunker silos or bags?
Animal Improvement Program Lab
Parallels out performed herringbones by nearly 8%
70% moisture
It has a lower vacuum requirement

4. What is the largest cost on most U.S. dairy farms?
Feed
Progesterone
80
Mixer box on a truck or trailer

5. Which part of an animal touches the ground if he/she is walking on a correct set of feet and legs?
Brown Swiss
Sole
Cheddar cheese
No less than 60% moisture

6. What is the classification for a Holstein cow given the numerical value 80-84.9?
Good plus
5
Water
You S Animal Health Association

7. Allelomimetic behavior is defined as...
Epinephrine
European Union
Large Plastic Bags
The tendency for a group of animals to do the same thing at the same time

8. Which major dairy breed association was the first to use computers to maintain breed registry records?
Guernsey
Plant starch - pectin - and sugar
Copper
Copper

9. Which compartment of a dairy cow's stomach is located closest to the heart and it is a spot where hardware disease occurs?
Reticulum
5
Sole
During the first pregnancy

10. Brucellosis is also know as...
To give birth
Bangs
50
Pasteurizing system

11. Which of the following is an infectious disease?
Ringworm
Subclinical
1957
Drug residue

12. Parallel milk barns typically have several cows on each side. The cows are arranged in a ____________ fashion in this barn.
Front feet toward rear of the cow with head - nose first - between them
Side by side (head out)
High % of water
70%

13. The dairy breed which produces the highest volume of milk is the...
Mixer box on a truck or trailer
Holstein
Mycobacterium bovis
Cryoscope

14. 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
Non-forage Carbohydrates
Udder
Lignin

15. How many days after breeding can a pregnancy be detected by ultrasound?
Epinephrine
Between 28 to 30 days
They may be bothersome to livestock and other animals
60 days

16. What is the classification for a Holstein cow given the numerical value of less than 70?
Very good
Premis ID
30 hours
Poor

17. Research has shown that by formulating lactating cow rations with proper amounts of certain amino acids - we can decrease the crude protein content of the ration and reduce _______________________?
Guernsey and Jersey
50-70
30%
Nitrogen excretion

18. Milk sugars are not very soluble. Some people have difficulty hydrolyzing them in their bodies. This problem is called _________________.
Cystic
Lactose intolerance
Pastuerized Milk Ordinance
Sickle hocked

19. Milk with over_____________ somatic cell count cannot legally be shipped in the United States?
Guernsey and Jersey
750000
Between 6.0 and 6.5
NAtional Research Council

20. The hormone BST is given to dairy cows...
Streptococus agalactae
Holstein
Jersey
After 200 days of lactation

21. The breed of dairy cattle that can be roan - all red - all white - or even spotted red and white is...
North American Free Trade Agreement
Milking Shorthorn
You S Animal Health Association
Pink eye

22. What are the four composite indexes calculated by the Holstein Association?
Twelve
Udder - feet and legs - body form - & dairy character
Cows Milk production this month divided by production last month X 100
Omasum

23. What is intravenous injection?
PGF
Nonstructural Carbohydrates
Administered via blood vessels
75%

24. Milk that is low in SCC has more casein - which is a primary component in _______?
Cystic
Increase - 5
Cheese
8.62 pounds

25. 98% of somatic cells are...
Leukocytes
5
After 200 days of lactation
Drug residue

26. Bulk tanks must be emptied and cleaned every _____ hours.
Cheddar
1957
72
Follicle stimulating hormone

27. Many dairy bulls have their nose pierced with a ring in it. This allows for...
Restraint and control of the animal
Manure handling procedures
Two weeks prior to calving
90-100

28. How did parallels perform when compared to herringbones?
Water
Parallels out performed herringbones by nearly 8%
Swollen hock
Attract the opposite sex

29. How many days after parturition should you wait before breeding a cow back?
20000000
Streptococus agalactae
To add a concentrated form of energy
60 days

30. The rumen of a mature cow will hold approximately...
The cows leave the milkers via an alley wide enough to allow 2 or more cows side by side
Brown Swiss
Parturient paresis
40 gallons

31. How much water can a lactating cow consume in one day?
Leukocytes
Mammals
25 gallons
General Agreement on Tariff and Trade

32. The portion of the milker unit that first receives the milk as it is withdrawn from the cow is the...
Total Mixed Ration
Claw
The cows leave the milkers via an alley wide enough to allow 2 or more cows side by side
Mammals

33. Allelomimetic behavior is defined as...
General Agreement on Tariff and Trade
Pink eye
The tendency for a group of animals to do the same thing at the same time
3-6 minutes

34. Which trait is worth the most points according to the Dairy Cow Unified Score Card?
Transponders
Vitamin B
Udder
Follicular and luteal

35. An average Holstein cow should give _______ pounds per day for each lactation.
Copper sulfate
Urea
50
.39%

36. GATT
To give birth
Intravenous injection of calcium gluconate
General Agreement on Tariff and Trade
Side by side (head out)

37. Ways to avoid milk fever in cows
Back flushing
It has a lower vacuum requirement
Vitamin A
Feed low potassium hay - silage - and anionic salts to dry cows

38. What is the most abundant mineral in the body?
Gonadotropin Releasing Hormone
Calcium
Udder - feet and legs - body form - & dairy character
Transponders

39. Approximately how many gallons of blood pass through the udder for each gallon of milk produced?
Cows Milk production this month divided by production last month X 100
In the cell wall
400‐500 gallons
PH 4.6

40. Corn silage - stored in upright - top-unloading silos - should be chopped at which percent moisture?
Beta-carotene
PGF
Bovine Viral Diarrhea
62 to 65% moisture

41. What do nonstructural carbohydrates consist of?
Brucellosis
1
Plant starch - pectin - and sugar
Neutral Detergent Fiber

42. High potassium intake will decrease a cows ability to mobilize what?
Milk fever
Bone calcium
Percentage of Difficult Births in Heifers
15 months

43. What does the term freshen mean in relation the dairy production?
To give birth
Recessive
Brown Swiss
Food safety and Inspection Service

44. Dairy producers are particularly watchful for zoonotic diseases in their herd. Zoonotic diseases are defined as those that...
Commodity Credit Corporation
Clipping and singeing
Cryoscope
Pass from animals to humans and vice versa

45. A ____________gene in Black and White Holsteins is responsible for the red and white color being expressed at times...
Prussic acid poisoning
Recessive
Between 6.0 and 6.5
Poll

46. A Babcock test may be used to measure the __________ % of milk.
Mastitis
Fat
Mycotoxins
60

47. What manure waste management puts solids in a bin and lets it degrade?
Neutral Detergent Fiber
Composting
Large Plastic Bags
Guernsey

48. Generally - high-producing Holsteins eat ___________ pounds of dry matter per day?
Swollen hock
Income over feed costs
45-55
Vitamin B

49. Normal presentation of a calf for parturition will have...
Front feet toward rear of the cow with head - nose first - between them
40/60
Predicted Transmitting Ability-Type
Total Digestible Nutrients

50. Where are non-degradable proteins absorbed?
Milking Shorthorn
Small Intestine
Vitamin K
16-18

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Dairy Cattle Basics

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