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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. What percent moisture should corn silage be chopped at when stored in horizontal bunker silos or bags?
Water
Non-forage Carbohydrates
Roughage
70% moisture
2. What trait with the only positive genetic correlation to milk production?
Dairy character
Small intestine
Mycobacterium bovis
2000's
3. What female hormone causes follicles to begin to develop?
45-55
Duodenum
Recessive
Follicle stimulating hormone
4. How often will HACCP inspect each Dairy Farm?
Four or more times
A minimum of every 6 months
60
Low blood levvels of ionized calcium
5. Which mineral is found in high concentrations in soft tissues such as the pancreas - liver - and kidney?
Vitamin B
Zinc
Loin and chine
Methane
6. Corn silage stored in sealed upright silos should be ensiled at what moisture?
No less than 60% moisture
Negative net energy balance
3-6 minutes
Milk fever
7. Normal presentation of a calf for parturition will have...
2000's
After 200 days of lactation
Front feet toward rear of the cow with head - nose first - between them
Rumen
8. BST is the acronym for what compound?
3-6 minutes
Corpus Luteum
Bovine Somatotropin
To give birth
9. Texas dairies normally must be permitted by the ___________before they begin operations.
Parallels out performed herringbones by nearly 8%
Rumen and reticulum
Holstein
Texas Commission on Environmental Quality
10. Dairy cows need roughage to concentrate ratio of approximately ______________ to maintain the desired fat content in the milk.
40/60
400 pounds
Lignin
You S Animal Health Association
11. Name the three common places Coliforms are found.
Rumen
Mud - water - and manure
Escherichia coli
Mule-foot
12. Many dairy bulls have their nose pierced with a ring in it. This allows for...
Zinc
Restraint and control of the animal
25%
Small intestine
13. How much more energy do fats contain per unit the carbohydrates and proteins?
Bone calcium
20000000
Holstein
2.25
14. If there are large numbers of flies around the dairy barn - what should be the first thing to be examined in an attempt to solve the fly problem?
% Protein
60 days
Manure handling procedures
100%
15. In the reproductive tract of a dairy cow - how many uterine horns are there?
80
The abomasums of a milk fed calf
Jersey
Two
16. CCC
Four or more times
Alfalfa and Clover
The abomasums of a milk fed calf
Commodity Credit Corporation
17. If you add sugar to a milk product - you must ______ the minimum pasteurization temperature by _____ degrees F.
Cheddar
Registered Holstein Ancestry
Increase - 5
Cation-Anion Difference
18. How is a dairy's RHA calculated?
Holstein
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.
Transponders
Holstein
19. What is the USDA's AIPL?
Mycobacterium Paratuberculosis
25 gallons
Feeding the cow
Animal Improvement Program Lab
20. Milk that is low in SCC has more casein - which is a primary component in _______?
Rear feet and legs
Small intestine
Enteritis
Cheese
21. Lactation is unique to _________.
Mammals
Milk fever
45-55
Reduce the incidence of mastitis
22. In reference to reproduction - What does CL stand for?
Milk fever
Mastitis
Corpus Luteum
62 to 65% moisture
23. When is the best time to feed anionic salts to dairy cows?
Small intestine
Low blood levvels of ionized calcium
Two weeks prior to calving
Pink eye
24. CCC
Commodity Credit Corporation
Nitrogen
Corpus Luteum
Reduce the incidence of mastitis
25. Milk traits - i.e. fat - protein - SNF and etc. - tend to have a heritability of about...
75%
Once every 12 months
20-30%
Heat detection and conception rates
26. When a cow comes into heat every few days - she is referred to as?
Esophageal groove
Cystic
Plant starch - pectin - and sugar
2.25
27. Body condition scores form 1 to 5 are used to track herd health and nutrition. Dry cows should have a body score from...
Relative Forage Value
3.5-4.0
Holstein
Mastitis
28. What is the approximate time of ovulation in cattle after the beginning of heat?
30 hours
Sterile heifer born twin to a bull
Food safety and Inspection Service
Composting
29. The standard length of the dry period in dairy cattle is ________?
18
Basic Formula Price
60 days
Feed
30. Fear can disrupt milk letdown in a cow. The hormone released that causes this disruption is...
Urea
1957
Pass from animals to humans and vice versa
Epinephrine
31. The hooks and pins on an animal relate most closely to the...
Integrated pest management
They may be bothersome to livestock and other animals
Rump
Water
32. The portion of the ruminant digestive system which is known as and functions as the 'true' stomach is the...
Animal Improvement Program Lab
3.5-4.0
Parallels out performed herringbones by nearly 8%
Abomasum
33. What is the classification for a Holstein cow given the numerical value of less than 70?
Four or more times
305 days
10
Poor
34. What is an anion?
A negatively charged ion
Parturtion
20-30%
North American Free Trade Agreement
35. High potassium intake will decrease a cows ability to mobilize what?
Follicular and luteal
Carbon
Energy
Bone calcium
36. According to the American Veterinary Medicine Association - the preferred method of dehorning young calves is_________.
Rear feet and legs
25 gallons
Disbudding
Food safety and Inspection Service
37. One of the highest heritability traits for milk is...
% Protein
Two times
Progesterone
Cellulose - hemicellulose - and lignin
38. The number one reason for culling in U.S. dairy herds is...
70% moisture
GTPI
Reproductive failure
Water
39. 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...
Side by side (head out)
Sodium Bicarbonate
Cation-Anion Difference
Vitamin B
40. Dairy cows produce milk that is relatively high in B complex vitamins. Because they are ruminants...
Symbiotic
Between 6.0 and 6.5
It is not necessary to supplement the intake of Vitamin B complex
Heat detection and conception rates
41. A dairy expects to cull approximately _________% of their herd each year.
After 200 days of lactation
Follicular and luteal
25-30
Concentrated Animal Feeding Operation
42. What is lactogenesis?
The initiation of milk secretion
Chine
Roughage
Longer than 1.5 inches
43. As a rule of thumb when milk production ________ - the milk fat content _______
Decreases - increases
Parturient paresis
Laminitis
Rumen and reticulum
44. The only aspect of milk quality that can be completely controlled on the farm is ______________.
Drug residue
35 to 40%
15 months
Solids removal
45. When looking at DHI records - what do the letters RHA stand for?
Two weeks prior to calving
Rolling Herd Average
8.62 pounds
60
46. Why is fat added to dairy rations?
Milk fever
Plant starch - pectin - and sugar
To add a concentrated form of energy
Nonstructural Carbohydrates
47. Coccidia infection can occur when calves are 4 to 8 weeks old. Coccidia causes...
Oxytocin
Faster
60 days
Enteritis
48. Dairy cows need roughage to concentrate ratio of approximately ______________ to maintain the desired fat content in the milk.
Pink eye
40/60
Very good
Dairy Farmers of America (DFA)
49. In dairy cows - What is the name of the disease caused by the organisms Staph Aureus - Strep Uberis - and Klebsiella?
Mastitis
10
Sterile heifer born twin to a bull
Vitamin A
50. Cheddar cheese accounts for ____ % of American type cheeses made in the U.S.
Disbudding
Negative net energy balance
Prevent ingested metal objects from interfering with the digestive tract or the respiratory system
80