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Test your basic knowledge |
Dairy Cattle Basics
Start Test
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Subjects
:
industries
,
dairy
Instructions:
Answer 50 questions in 15 minutes.
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study here
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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. Which cows have higher protein requirements?
High-producing pregnant cows
Between 14 and 35 days
Modified Live Virus
45-55
2. The medical name tarsal hygroma - a commonaliment of dairy cows is commonly called...
Income over feed costs
Swollen hock
20
25
3. The breed of dairy cattle that can be roan - all red - all white - or even spotted red and white is...
No less than 60% moisture
20000000
Brown Swiss
Milking Shorthorn
4. What mineral is necessary for hemoglobin formation?
Decreases - increases
Copper
100%
Premis ID
5. Feeding bulky feeds during the dry period and gradually bringing fresh cows back on grain are ways to prevent...
24
Vitamin A
Displaced abomasum
Large Plastic Bags
6. Young dairy calves frequently suffer and may die due to scours. The chief cause of deadly scours at this age is...
Niacin
The bacteria Escherichia Coli
Good plus
National Milk Producers Federation
7. Which of the compartments of a cow's four-compartment stomach acts as the true stomach?
Abomasum
It is not necessary to supplement the intake of Vitamin B complex
Administered via blood vessels
20-30%
8. 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...
60 days
Sodium Bicarbonate
Abomasum
5
9. How did parallels perform when compared to herringbones?
Cystic
Parallels out performed herringbones by nearly 8%
Rear feet and legs
Commodity Credit Corporation
10. 'Thurl position' is a trait evaluated in the ________ category on the PDCA Unified Scorecard?
Farm Service Agency
10 days
Rear feet and legs
Cation-Anion Difference
11. USAHA
Administered under the skin
You S Animal Health Association
Black leg
Registered Holstein Ancestry
12. Corn silage - stored in upright - top-unloading silos - should be chopped at which percent moisture?
62 to 65% moisture
A B-Vitamin
Total Production Index
Lignin
13. What is the most essential nutrient in animal feeding animals and maintaining health?
Clipping and singeing
Water
Faster
Guernsey
14. A perfect score for a cow according to the Dairy Cow Unified Score Card is...
3 years
Water
Niacin
100
15. The two main problems that effect reproduction are...
Copper
Heat detection and conception rates
20-30%
Net Energy
16. After insemination - how long do sperm live in the cow's reproductive tract?
24 hours
Sickle hocked
Disbudding
Sodium
17. What is a TMR to a dairy person?
National Farmers Organization
Vitamin A
Total Mixed Ration
Silage
18. Which mineral functions in maintaining osmotic pressure - acid-base balance - and body fluid balance?
Sodium
Cheese
Fat
Holstein
19. When looking at DHI records - what do the letters RHA stand for?
30
Rolling Herd Average
Leukocytes
Parturient paresis
20. Cheddar cheese accounts for ____ % of American type cheeses made in the U.S.
Cystic
Dished
40 gallons
80
21. Parallel milk barns typically have several cows on each side. The cows are arranged in a ____________ fashion in this barn.
80
Side by side (head out)
Follicular and luteal
5
22. Crude fiber in a dietary ration must be at least ___% or milk fat percent will decrease.
18
National Farmers Organization
Mycotoxins
30
23. The standard length of the dry period in dairy cattle is ________?
National Farmers Organization
60 days
Modified Live Virus
Niacin
24. What percent non-fiber carbohydrate should a ration contain for high producing cows?
Drug residue
35 to 40%
Attract the opposite sex
In the cell wall
25. The most costly form of mastitis is?
Mycobacterium Paratuberculosis
Subclinical
Stainless steel
Abomasum
26. When reffering to vaccinations - what do the letters MLV stand for?
40 gallons
Back flushing
Modified Live Virus
Milk on Demand
27. The two main problems that effect reproduction are...
Laminitis
Brown Swiss
A negatively charged ion
Heat detection and conception rates
28. What describes the fraction of the ration proteins - which is broken down by digestive enzymes and utilized by rumen bacteria?
% Degradable proteins
Mycotoxins
80
Silage
29. NAFTA
North American Free Trade Agreement
9 weeks
Animal Improvement Program Lab
Hardware disease
30. Which of the compartments of a cow's four-compartment stomach acts as the true stomach?
Sodium
To give birth
Abomasum
Dished
31. When can a heifer calf born twin to a bull be registered?
When it is proven that she will breed
10%
High-producing pregnant cows
3-6 minutes
32. In a cow - where would you find the alveolus?
A minimum of every 6 months
Lactation records have been adjusted to the same milk fat percentage
2:1
Udder
33. What is intravenous injection?
You S Animal Health Association
Administered via blood vessels
50-70
.39%
34. A mutation where calves have little or no control over the movement of their legs is called...
Vitamin B
Commodity Credit Corporation
Limber leg
Parturtion
35. If the freezing point of a sample of raw milk is above 30 degrees F this indicates...
High % of water
90-100
Udder - feet and legs - body form - & dairy character
Gonadotropin Releasing Hormone
36. EU
Nonstructural Carbohydrates
Brown Swiss
European Union
400 pounds
37. How many days after breeding can a pregnancy be detected by ultrasound?
Between 28 to 30 days
Mastitis
Total Digestible Nutrients
Lignin
38. A disease transmitted through natural mating which causes abortion - low conception rates - and irregular heat cycles is _____________________.
Vibriosis
Digital Dermatitis
10%
Dished
39. Allelomimetic behavior is defined as...
Parturtion
Hormones
The tendency for a group of animals to do the same thing at the same time
Cheddar
40. High potassium intake will decrease a cows ability to mobilize what?
Sterile heifer born twin to a bull
Bone calcium
Leukocytes
Carbon Dioxide Gas
41. Abortion in the last trimester of pregnancy is often caused by_______________.
3.5-4.0
Arteries
Brucellosis
Ringworm
42. Manure digesters convert _______________ fuel into electricity.
Rear feet and legs
Methane
Mastitis
NAtional Research Council
43. 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
Total Production Index
Restraint and control of the animal
25%
100%
44. Coccidia infection can occur when calves are 4 to 8 weeks old. Coccidia causes...
Duodenum
Listeria
Enteritis
Low blood levvels of ionized calcium
45. What is the accepted standard length for a lactation record in dairy cattle?
Non-forage Carbohydrates
Abomasum
To add a concentrated form of energy
305 days
46. Quality forage is critical for acow's milk production. Many people evaluate hay based upon its green color; others think the color is a poor indication of nutrient composition. However - green colored hay is generally considered to have a higher ____
To give birth
Mixer box on a truck or trailer
Beta-carotene
Administered via blood vessels
47. About 90% of U.S. dairies use a __________ milking schedule.
Twice/day
After 200 days of lactation
Alfalfa and Clover
400 pounds
48. What is a TMR to a dairy person?
Total Mixed Ration
Mastitis
Subclinical
Rumen
49. 98% of somatic cells are...
Reduce the incidence of mastitis
Leukocytes
Neutral Detergent Fiber
35 to 40%
50. Milking time is best reduced by...
Vitamin A
Preparing cows properly
Twice/day
Between 14 and 35 days
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