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Test your basic knowledge |
Dairy Cattle Basics
Start Test
Study First
Subjects
:
industries
,
dairy
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. After a bulk tank is washed and rinsed - beading of water droplets is a sign of _____.
60 days
Nonfat Dry Milk
General Agreement on Tariff and Trade
Fat residue
2. What is the average production lifetime of a dairy cow?
3 years
Calcium
2000's
Calories
3. What is lactogenesis?
100%
A positively charged ion
The initiation of milk secretion
Escherichia coli
4. What is the classification for a Holstein cow given the numerical value 80-84.9?
Large Plastic Bags
35 to 40%
Sodium
Good plus
5. 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
In the cell wall
Total Production Index
Four or more times
Udder - feet and legs - body form - & dairy character
6. A rolling herd average (RHA) is based on how many months?
Twelve
Recessive
Percentage of Difficult Births in Heifers
400 pounds
7. In reference to reproduction - What does CL stand for?
Cheddar
Oxytocin
Corpus Luteum
.39%
8. When a cow comes into heat every few days - she is referred to as?
Lactation records have been adjusted to the same milk fat percentage
Copper
Cystic
Rear feet and legs
9. Recent research traits have shown that dairy cows prefer to be milked __________ times/day if they are able to choose.
Cheddar
Four or more times
Holstein
Heat detection and conception rates
10. If the freezing point of a sample of raw milk is above 30 degrees F this indicates...
National Milk Producers Federation
Abomasum
Cheddar cheese
High % of water
11. In cows - salmonellosis infections are most common in those that have calved within __________.
10 days
Food Animal Residue Avoidance Databank
Fat residue
1957
12. A cow's gestation period is _______ long?
4 years
50
30%
282 days
13. The hormone BST is given to dairy cows...
10
GTPI
After 200 days of lactation
Cryoscope
14. When comparing bulls for artificial insemination - What does 'SCR' stand for?
Composting
Administered under the skin
Sire conception rate
24
15. Cows have _____ streak canals per teat.
1
They may be bothersome to livestock and other animals
Nonprotein nitrogen
Cellulose - hemicellulose - and lignin
16. How many chromosomes does the nucleus of each reproductive cell have in dairy cattle?
Black leg
Preparing cows properly
30
National Farmers Organization
17. How many chromosomes does the nucleus of each reproductive cell have in dairy cattle?
Abomasum
Transponders
30
Poor
18. What is the hormone that causes Uterine contractions to assist in parturition?
Mammals
Oxytocin
Streptococus agalactae
High-producing pregnant cows
19. When discussing nutrition - What does NPN stand for?
Manure handling procedures
General Agreement on Tariff and Trade
Fats
Nonprotein nitrogen
20. Why is fat added to dairy rations?
To add a concentrated form of energy
Potassium
Propionic acid
16-18
21. What is the name of the term for a farm's unique identification number that is part of the National Animal Identification System?
Udder
Premis ID
Mycobacterium Paratuberculosis
Recessive
22. Where are non-degradable proteins absorbed?
Attract the opposite sex
Lignin
8.62 pounds
Small Intestine
23. NRC
MyDairy
NAtional Research Council
Guernsey
Fat residue
24. In regards to dairy production RHA refers to...
Silage
Decreases - increases
Predicted Transmitting Ability-Type
Rolling Herd Average
25. On average - how many weekd after freshening does a cow's dry matter intake peak?
12-14 weeks
Symbiotic
Lignin
Rolling Herd Average
26. Ways to avoid milk fever in cows
Predicted Transmitting Ability-Type
50 percent
Feed low potassium hay - silage - and anionic salts to dry cows
They may be bothersome to livestock and other animals
27. What hormone is responsible for maintaining pregnancy?
Neutral Detergent Fiber
Progesterone
8.62 pounds
Methane
28. What are the two types of ovarian cysts?
Follicular and luteal
Allowing them access to their new born calf for the 1st 30 days
Pasteurizing system
Intravenous injection of calcium gluconate
29. Hairy Heel Wart is scientifically known as what?
Hardware disease
75%
Flank
Digital Dermatitis
30. FARAD
Food Animal Residue Avoidance Databank
60
Milking Shorthorn
Hormones
31. FSA
Farm Service Agency
The initiation of milk secretion
100
United States Dairy Export Council
32. If you add sugar to a milk product - you must ______ the minimum pasteurization temperature by _____ degrees F.
Increase - 5
5
Bangs
Loin and chine
33. What is a nonfunctional mammary gland called?
Lignin
Interdigital phlegmon
Blind quarter
Texas Commission on Environmental Quality
34. According to recent USDA surveys - What is the most popular age to wean dairy calves?
Abortion
Total Mixed Ration
9 weeks
1957
35. The condition in which the cow is giving more milk than nutrients that she is consuming in feed is called...
Negative net energy balance
% Degradable proteins
Abomasum
Potassium
36. What should the pH of a 'close up' Holstein's urine be?
You S Animal Health Association
Between 6.0 and 6.5
24 hours
Guernsey
37. A calf's birth weight is approximately ________% of its' mature weight.
50-70
The cows leave the milkers via an alley wide enough to allow 2 or more cows side by side
5
Feed low potassium hay - silage - and anionic salts to dry cows
38. Fumonsin and zearalenone are examples of...
Stainless steel
50 percent
Mycotoxins
75-79.9
39. What manure waste management method runs manure across a press and squeezes the water out?
60 days
Cation-Anion Difference
Solids removal
750000
40. Milk traits - i.e. fat - protein - SNF and etc. - tend to have a heritability of about...
Nonfat Dry Milk
% Degradable proteins
Loin and chine
20-30%
41. 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...
Sodium Bicarbonate
Abortion
Abomasum
Water
42. Dairy producers are particularly watchful for zoonotic diseases in their herd. Zoonotic diseases are defined as those that...
Urea
Milk on Demand
Feeding the cow
Pass from animals to humans and vice versa
43. A dairy cow that has all 8 permanent incisor teeth can be considered to be a minimum of ______________old.
4 years
25%
2000's
Magnesium
44. In a sire's proof - daughters' calving ease measures __________________.
Milk fever
5000000
The influence of the sire of the cow on calving ease
Stainless steel
45. Which dairy breed has a restriction for disallowing black markings?
Calcium
1957
Milking Shorthorn
Holstein
46. What percent of milk is water?
Two weeks prior to calving
Plant starch - pectin - and sugar
87%
Interdigital phlegmon
47. Which of the following is the most popular type of cheese in the United States?
Inguinal
Cheddar
After 200 days of lactation
Rear feet and legs
48. A Babcock test may be used to measure the __________ % of milk.
Collecting the methane gas being produced and using it as an energy source on the dairy
Mycotoxins
Fat
60 days
49. Which major dairy breed association was the first to use computers to maintain breed registry records?
Guernsey
Rolling Herd Average
Lignin
Methane
50. How many grams of lactose are in an 8 oz. glass of milk?
Dairy character
75-79.9
It has a lower vacuum requirement
10