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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. Approximately how many gallons of blood pass through the udder for each gallon of milk produced?
400‐500 gallons
Mixer box on a truck or trailer
Cellulose - hemicellulose - and lignin
2:1
2. What percent of milk is water?
Side by side (head out)
Low blood levvels of ionized calcium
87%
20 to 24
3. How frequently should an average freshen?
Texas Commission on Environmental Quality
Once every 12 months
Rolling Herd Average
Percentage of Difficult Births in Heifers
4. A dairyman may milk in a rapid exit barn. This simply means that...
Heifer
Faster
The cows leave the milkers via an alley wide enough to allow 2 or more cows side by side
Concentrated Animal Feeding Operation
5. Which one of the following is not classified as a fat‐soluble vitamin?
Direct Microscopic Counts
2:1
Cheddar cheese
Vitamin B
6. Dairy Management Inc. introduced the _______ social media program for dairy advocates?
Calcium
Concentrated Animal Feeding Operation
You S Animal Health Association
MyDairy
7. Coccidia infection can occur when calves are 4 to 8 weeks old. Coccidia causes...
10 days
Pink eye
Enteritis
Feeding the cow
8. A ____________gene in Black and White Holsteins is responsible for the red and white color being expressed at times...
GTPI
Recessive
Bovine Somatotropin
% Protein
9. The only aspect of milk quality that can be completely controlled on the farm is ______________.
Reproductive failure
Jersey
Rolling Herd Average
Drug residue
10. What state agency regulates waste management?
Abomasum
10
Texas Commission on Environmental Quality
400‐500 gallons
11. Which one of the following is the name of the part of the cow's back that lies between the withers and the loin?
Relative Forage Value
Manure handling procedures
Lactose intolerance
Chine
12. NRC
75%
Copper
Poll
NAtional Research Council
13. Feeding proper rations during the summer is important for both cow comfort and maintaining milk production. Which nutrient is most important during the summer months?
Water
Extremely fat
25 gallons
Premis ID
14. How much more energy do fats contain per unit the carbohydrates and proteins?
Recessive
Registered Holstein Ancestry
5
2.25
15. 'Weaver Syndrome' is most often found in the _______________dairy breed?
Total Digestible Nutrients
Lignin
75-79.9
Brown Swiss
16. When evaluating dairy rations what do the letters NE stand for?
Net Energy
Sterile heifer born twin to a bull
6 hours
20000000
17. Bulk tanks must be emptied and cleaned every _____ hours.
Milk on Demand
Magnesium
72
50-80%
18. Generally - high-producing Holsteins eat ___________ pounds of dry matter per day?
The bottom most part of the tail
Recessive
45-55
Fat
19. It is widely acknowledged that a calcium/phosphorus ration of about ______________ is best for a dairy ration since this mirrors that of the cows' body.
Collecting the methane gas being produced and using it as an energy source on the dairy
3.5-4.0
75-79.9
2:1
20. The condition in which the cow is giving more milk than nutrients that she is consuming in feed is called...
60 days
Follicular and luteal
Omasum
Negative net energy balance
21. When referring to milk test used at the processing plant - What is a DMC?
A B-Vitamin
Mycobacterium bovis
Direct Microscopic Counts
Fat residue
22. What trait with the only positive genetic correlation to milk production?
To add a concentrated form of energy
Urea
To add a concentrated form of energy
Dairy character
23. 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...
Vitamin K
Percentage of Difficult Births in Heifers
Mastitis
Sodium Bicarbonate
24. What breed is known to produce milk over a greater number of years than all other breeds?
Sole
Parturient paresis
Brown Swiss
In the cell wall
25. _________ is a compound that is fermented for flavor in buttermilk and sour cream.
Citrate
It has a lower vacuum requirement
24
Administered in the muscle
26. Recent research traits have shown that dairy cows prefer to be milked __________ times/day if they are able to choose.
750000
Lignin
Decreases - increases
Four or more times
27. Mule-foot is found most often in ___________dairy breed?
Holstein
Farm Service Agency
Laminitis
Silage
28. Fermented forage plants relates to...
Silage
100%
Leukocytes
4 years
29. According to the American Veterinary Medicine Association - the preferred method of dehorning young calves is_________.
24
Disbudding
Mycotoxins
Sodium
30. Milk let down in a dairy cow may be stimulated by...
Feeding the cow
Modified Live Virus
Ringworm
Abomasum
31. In a sire's proof - daughters' calving ease measures __________________.
The influence of the sire of the cow on calving ease
XY
Four or more times
Enteritis
32. Cows treated with BST typically show an increase in milk production of...
Loin and chine
Disbudding
Chine
10%
33. dairy cow may not reach her highest milk yield until she is...
12-14 weeks
20-30%
5-9 years old
Feeding the cow
34. When examining feed rations - what do the letters NDF stand for?
Claw
MyDairy
Neutral Detergent Fiber
Feed
35. What describes the fraction of the ration proteins - which is broken down by digestive enzymes and utilized by rumen bacteria?
87%
% Degradable proteins
12-14 weeks
.39%
36. The breed of dairy cow generally credited with producing the highest % of both milk fat and protein is the...
62 to 65% moisture
Cystic
Jersey
50 percent
37. A dairy cow that has all 8 permanent incisor teeth can be considered to be a minimum of ______________old.
Mud - water - and manure
8.62 pounds
4 years
20 to 24
38. Colostrum given to a baby calf more than ____________hours old is NOT absorbed and thus does little good.
Udder - feet and legs - body form - & dairy character
Cows Milk production this month divided by production last month X 100
5
24
39. What is subcutaneous injection?
Vibriosis
Water
Administered under the skin
Solids removal
40. The portion of the ruminant digestive system which is known as and functions as the 'true' stomach is the...
Sickle hocked
Body weight
Relative Forage Value
Abomasum
41. According to the NRC - what percent calcium should a dry cow ration contain?
.39%
Intravenous injection of calcium gluconate
Feed low potassium hay - silage - and anionic salts to dry cows
Farm Service Agency
42. Milk fever is also (scientifically) known as what?
High % of water
Omasum
Recessive
Parturient paresis
43. IDFA
% Degradable proteins
Fat residue
International Dairy Foods Associactions
Esophageal groove
44. The breed of dairy cow generally credited with producing the highest % of both milk fat and protein is the...
Vitamin K
Jersey
1957
Two weeks prior to calving
45. 'Thurl position' is a trait evaluated in the ________ category on the PDCA Unified Scorecard?
PGF
Large intestines
Rear feet and legs
Cheddar cheese
46. The hormone ______________ stimulates milk let down and may be administered via injection - when necessary after parturition.
Extremely fat
Oxytocin
75-79.9
12-14 weeks
47. If the heat detection rate is 30% and the conception rate is 30% - What is the pregnancy rate?
Negative net energy balance
Vibriosis
Low blood levvels of ionized calcium
9%
48. This bacteria causes 'Circling Disease' in cattle...
Listeria
United States Dairy Export Council
Reproductive failure
Small intestine
49. When discussing nutrition - What does NPN stand for?
80
Nonprotein nitrogen
Twelve
A positively charged ion
50. Generally - high-producing Holsteins eat ___________ pounds of dry matter per day?
75%
15 months
Pink eye
45-55