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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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.
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 of the following is not a commonly usedestrus synchronization program for dairy cattle?
Holstein
Cheddar cheese
Post-synch
Income over feed costs
2. The dairy breed which produces the highest volume of milk is the...
Cation-Anion Difference
Drug residue
Holstein
The weaving gait of affected cattle
3. 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?
Alfalfa and Clover
Neutral Detergent Fiber
The bottom most part of the tail
Nonstructural Carbohydrates
4. On the PDCA Unified Dairy Score Card - the category 'feet and legs' accounts for how many points?
Jersey
Composting
Mammals
20
5. To the hundreth - how many pounds of milk are in a gallon?
24
Vitamin A
87%
8.62 pounds
6. The rumen of a cow is located...
Pink eye
A negatively charged ion
Calcium
Left side of the body
7. FARAD
The influence of the sire of the cow on calving ease
Once every 12 months
Food Animal Residue Avoidance Databank
Copper
8. FARAD
Predicted Transmitting Ability-Type
Food Animal Residue Avoidance Databank
1957
Between 28 to 30 days
9. Which one of the following describes biotin?
A B-Vitamin
Abortion
Jersey
30
10. Jersey cattle are characterized by having a ______________ face...
Faster
Dished
Farm Service Agency
2:1
11. A mutation where calves have little or no control over the movement of their legs is called...
Limber leg
45-55
The cows leave the milkers via an alley wide enough to allow 2 or more cows side by side
Jersey
12. Fats are broken down by a dairy cow In what part of her body?
Registered Holstein Ancestry
Small intestine
Duodenum
50 percent
13. A calf's birth weight is approximately ________% of its' mature weight.
10%
Sire conception rate
Follicular and luteal
5
14. In the standard protocol for cleaning milking equipment - which of the following is not one of the four phases of cleaning?
Vitamin B
Vitamin A
Back flushing
Farm Service Agency
15. What hormone is responsible for maintaining pregnancy?
The bottom most part of the tail
100
Progesterone
Administered via blood vessels
16. When sanitizing milking equipment with water - the temperature must be a minimum of 170 degrees F and the utensils are to be under the flow of water for ____________ minute(s).
5
Dairy Farmers of America (DFA)
Roughage
75%
17. The most common pathogen found in raw milk is...
Poor
Transponders
25 gallons
Escherichia coli
18. What is lactogenesis?
Brucellosis
90-100
Jersey
The initiation of milk secretion
19. USDEC
The cows leave the milkers via an alley wide enough to allow 2 or more cows side by side
United States Dairy Export Council
Carbon
Feed
20. Rumen bacteria enable dairy cattle to utilize which feed supplement?
Preparing cows properly
Urea
Cryoscope
Net Energy
21. What is intravenous injection?
Arteries
The initiation of milk secretion
Administered via blood vessels
A negatively charged ion
22. Bulk tanks must be emptied and cleaned every _____ hours.
Mastitis
Ringworm
Esophageal groove
72
23. Which purebred dairy breed association introduced a 'dairy price stabilization' program in 2009?
Extremely fat
Holstein
Drug residue
Heat detection and conception rates
24. At how many days can pregnancy be detected by palpation?
Recessive
Between 14 and 35 days
Texas Commission on Environmental Quality
Twelve
25. Protein is a combination of amino acids. The amino acids are unique among compounds involved in nutrition because they contaIn what element?
Small intestine
Rolling Herd Average
Very good
Nitrogen
26. Which part of the digestive tract is responsible for absorbing excess water?
2:1
Large intestines
300 + degree
Jersey
27. Grass Tetany may occur in early lactation cows grazing lush - heavily - fertilized pastures. Grass Tetany is caused by a ______________deficiency.
10%
Magnesium
Vitamin B
Corpus Luteum
28. How many grams of lactose are in an 8 oz. glass of milk?
750000
Cheddar
50-80%
10
29. To the hundreth - how many pounds of milk are in a gallon?
8.62 pounds
Vitamin A
50
Mastitis
30. One ejaculation from a bull typically contains _________________ sperm
25
5000000
Animal Improvement Program Lab
305 days
31. When compared to normal corn silage - brown mid-rib corn silage has more energy and high digestibility. This is due largely to its lower content of__________.
Lignin
Rumen
Mixer box on a truck or trailer
Bovine Viral Diarrhea
32. The rumen of a cow is located...
400‐500 gallons
3 years
Left side of the body
Jersey
33. The most costly form of mastitis is?
Cheese
Subclinical
Heifer
High % of water
34. _________ is a compound that is fermented for flavor in buttermilk and sour cream.
Mycotoxins
Texas Commission on Environmental Quality
Poor
Citrate
35. How many das into a pregnancy can a fetus be sexed by ultrasound?
Hardware disease
Reduce the incidence of mastitis
Pink eye
After 55 days
36. Fresh milk - at a dairy - is required to be cooled to a minimum of 50 degrees F within 4 hours time after milking. However many larger dairies are using a _______________ to accomplish this within minutes.
Epinephrine
Pulsator
Plate chiller
45-55
37. The hooks and pins on an animal relate most closely to the...
Udder
Rump
Corpus Luteum
Streptococus agalactae
38. FSIS
24
300 + degree
Food safety and Inspection Service
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.
39. Ways to avoid milk fever in cows
Loin and chine
9%
Feed low potassium hay - silage - and anionic salts to dry cows
Between 6.0 and 6.5
40. The typical lactation curve shows a dairy cow reaching her peak production about ________days into the lactation cycle.
Cows Milk production this month divided by production last month X 100
50-70
5-9 years old
Interdigital phlegmon
41. A mutation where calves have little or no control over the movement of their legs is called...
Percentage of Difficult Births in Heifers
Limber leg
International Dairy Foods Associactions
To add a concentrated form of energy
42. Cows produce pheromones which...
Attract the opposite sex
Restraint and control of the animal
Milking Shorthorn
Sterile heifer born twin to a bull
43. What manure waste management method runs manure across a press and squeezes the water out?
Solids removal
Rump
Lactose intolerance
Pulsator
44. When evaluating a dairy ration - what do the letters TDN stand for?
35 to 40%
Rumen and reticulum
Total Digestible Nutrients
Follicular and luteal
45. The two U.S. dairy breeds that originated in the Channel Islands off the coast of France are...
Food safety and Inspection Service
Guernsey and Jersey
Beta-carotene
100
46. What is Milk Fever paresis caused by?
Low blood levvels of ionized calcium
Parturient paresis
PGF
In the cell wall
47. Which part of an animal touches the ground if he/she is walking on a correct set of feet and legs?
Mycotoxins
Dished
20 to 24
Sole
48. Why is fat added to dairy rations?
Sodium Bicarbonate
To add a concentrated form of energy
Swollen hock
25%
49. Which hormone produced by the uterus causes regression of the corpus luteum?
PGF
87%
Rumen and reticulum
Between 14 and 35 days
50. The circulatory system of a dairy cow is very important to milk production. A dairy cow must circulate about _________ of blood for each pound of milk produced.
Copper
400 pounds
Feeding the cow
Restraint and control of the animal
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