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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. Dairy heifers need to bred at ________ of age assuming they are at least 65% of their adult weight at that time.
North American Free Trade Agreement
15 months
70% moisture
Left side of the body
2. How many grams of lactose are in an 8 oz. glass of milk?
Net Energy
10
Stainless steel
Digital Dermatitis
3. When using a body condition scoring system of 1 to 5 - What does a score of 5 mean?
You S Animal Health Association
Administered via blood vessels
Extremely fat
Laminitis
4. What kinds of relationship do cattle and the microorganisms in their rumen share?
Symbiotic
A B-Vitamin
Water
.39%
5. What should the pH of a 'close up' Holstein's urine be?
Vitamin A
Dairy Farmers of America (DFA)
1957
Between 6.0 and 6.5
6. Blood vessels that transport blood away from the heart are called...
Two
Arteries
35 to 40%
Abomasum
7. A ____________gene in Black and White Holsteins is responsible for the red and white color being expressed at times...
Magnesium
Holstein
25%
Recessive
8. For best results calves should be fed colostrum within ____ hours of calving...
6 hours
75-79.9
Cation-Anion Difference
A minimum of every 6 months
9. Milk that is low in SCC has more casein - which is a primary component in _______?
PGF
Cheese
Collecting the methane gas being produced and using it as an energy source on the dairy
Brucellosis
10. In order to prevent bloat - the feed additive Poloxalene is often added to feed rations for cows that are grazing. Which of the following grazed forages are most likely to cause bloat?
Abomasum
Water
Fat residue
Alfalfa and Clover
11. Most dairies in Texas are considered to be CAFO's. A CAFO is...
You S Animal Health Association
Concentrated Animal Feeding Operation
Good plus
Total Digestible Nutrients
12. 98% of somatic cells are...
Leukocytes
Potassium
30
Cheddar cheese
13. What percent of dry matter in plants is made of carbohydrates?
Cheddar cheese
Decreases - increases
Mastitis
75%
14. BFP
Holstein
XY
Basic Formula Price
15 months
15. Cows produce pheromones which...
Attract the opposite sex
Between 6.0 and 6.5
Left side of the body
20
16. When does the greatest mammary tissue growth occur during a cow's life?
Relative Forage Value
During the first pregnancy
Non-forage Carbohydrates
It has a lower vacuum requirement
17. Some Texas dairymen are placing Bermuda and/or corn forage into ______________ for fermentation and silage production.
Poll
Basic Formula Price
Large Plastic Bags
Animal Improvement Program Lab
18. NSC
Nonstructural Carbohydrates
5-9 years old
2.25
10 days
19. Which trait is worth the most points according to the Dairy Cow Unified Score Card?
United States Dairy Export Council
Water
Udder
Water
20. Fumonsin and zearalenone are examples of...
30 hours
305 days
The influence of the sire of the cow on calving ease
Mycotoxins
21. When a cow comes into heat every few days - she is referred to as?
87%
Cystic
Poor
Limber leg
22. What breed is known to produce milk over a greater number of years than all other breeds?
Non-forage Carbohydrates
50 percent
90-100
Brown Swiss
23. Each animal inherits certain genes from both parents. What percentage of genes does a calf receive from its sire?
90-100
50 percent
50-80%
A national dairy farmer-funded program that is used to help stabilize milk prices
24. Corn silage - stored in upright - top-unloading silos - should be chopped at which percent moisture?
62 to 65% moisture
Rump
Udder
3.0
25. What structural carbohydrate component makes older plants less digestible than younger plants?
Parturtion
Lignin
2000's
The bacteria Escherichia Coli
26. In a cow - where would you find the alveolus?
Udder
3 years
Beta-carotene
% Degradable proteins
27. Milk sugars are not very soluble. Some people have difficulty hydrolyzing them in their bodies. This problem is called _________________.
Lactose intolerance
Income over feed costs
You S Animal Health Association
Nonstructural Carbohydrates
28. Cows have _____ streak canals per teat.
Dairy character
Holstein
1
Parallels out performed herringbones by nearly 8%
29. In order to prevent bloat - the feed additive Poloxalene is often added to feed rations for cows that are grazing. Which of the following grazed forages are most likely to cause bloat?
Vitamin B
Alfalfa and Clover
10
9 weeks
30. What percent of lactating dairy cows have oxytocin in their bloodstreams during milking?
Body weight
100%
Prevent ingested metal objects from interfering with the digestive tract or the respiratory system
9 weeks
31. How many chromosomes does the nucleus of each reproductive cell have in dairy cattle?
Pasteurizing system
A national dairy farmer-funded program that is used to help stabilize milk prices
30
Follicle stimulating hormone
32. When using sexed semen - conception rates are _________ percent of the conception rates achieved when using unsexed semen under the same conditions?
50-80%
To add a concentrated form of energy
Nitrogen
Cheese
33. The standard length of the dry period in dairy cattle is ________?
NAtional Research Council
Feed
60 days
Mixer box on a truck or trailer
34. A switch on a cow is...
75-79.9
Faster
30 hours
The bottom most part of the tail
35. When using sexed semen - conception rates are _________ percent of the conception rates achieved when using unsexed semen under the same conditions?
Dairy character
Carbon
50-80%
High % of water
36. FAS
60 days
Foreign Agricultural Service
750000
It is not necessary to supplement the intake of Vitamin B complex
37. A disease causing air bubbles under the skin and usually results in rapid death is __________.
Black leg
Left side of the body
Neutral Detergent Fiber
Poll
38. All milking equipment must be sanitized...
Milking Shorthorn
After each use
Milking Shorthorn
Once every 12 months
39. When discussing feed mixers - What is the range of manufacturers recommmended mixing times?
Small Intestine
Cheese
3-6 minutes
The influence of the sire of the cow on calving ease
40. The major advantage of a 'low-line' milk line as compared to the older 'high-line' is...
During the first pregnancy
Milking Shorthorn
It has a lower vacuum requirement
Swollen hock
41. The source of rennet (a substance used in cheese making) is...
9%
Listeria
The abomasums of a milk fed calf
Black leg
42. One form of biological pest management is a predator insect - that can be bought and released to help control flies at a dairy. Which of these is NOT true about these predators...
They may be bothersome to livestock and other animals
5-9 years old
A B-Vitamin
Udder
43. GATT
1
Displaced abomasum
General Agreement on Tariff and Trade
No less than 60% moisture
44. When using a body condition scoring system of 1 to 5 - What does a score of 5 mean?
Extremely fat
60
A positively charged ion
A national dairy farmer-funded program that is used to help stabilize milk prices
45. A cow with high lactation persistence is important for a dairy's economic success. Lactation persistency is...
Collecting the methane gas being produced and using it as an energy source on the dairy
Dairy Farmers of America (DFA)
14 days
Cows Milk production this month divided by production last month X 100
46. Dairy cattle have a ________ field of vision to their front
Parturient paresis
The bacteria Escherichia Coli
300 + degree
Lignin
47. A Babcock test may be used to measure the __________ % of milk.
Flank
Fat
25-30
50-70
48. EU
18
Fats
European Union
Intravenous injection of calcium gluconate
49. What is a common name for infectious kerato conjunctivitis?
Udder
Pink eye
No less than 60% moisture
Collecting the methane gas being produced and using it as an energy source on the dairy
50. Jersey cattle are characterized by having a ______________ face...
GTPI
Follicular and luteal
Jersey
Dished