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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. How is a dairy's RHA calculated?
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.
Loin and chine
Neutral Detergent Fiber
Commodity Credit Corporation
2. Ways to avoid milk fever in cows
Feed low potassium hay - silage - and anionic salts to dry cows
Plate chiller
3.0
305 days
3. Manure management is a major concern for most modern - large-scale dairies. The newest management techniques being used involve...
The weaving gait of affected cattle
Faster
Abomasum
Collecting the methane gas being produced and using it as an energy source on the dairy
4. Which reproductive condition results when the fetal membranes remain within the uterus for an extended period following parturition?
Fats
Esophageal groove
The tendency for a group of animals to do the same thing at the same time
Retained placenta
5. Dairy cattle have a ________ field of vision to their front
Once every 12 months
Rolling Herd Average
Rolling Herd Average
300 + degree
6. The breed of dairy cow generally credited with producing the highest % of both milk fat and protein is the...
400‐500 gallons
Abomasum
Jersey
Sire conception rate
7. Which one of the following is the name of the part of the cow's back that lies between the withers and the loin?
Laminitis
International Dairy Foods Associactions
Parturtion
Chine
8. Coccidia infection can occur when calves are 4 to 8 weeks old. Coccidia causes...
Jersey
Twice/day
Enteritis
Displaced abomasum
9. The condition in which the cow is giving more milk than nutrients that she is consuming in feed is called...
You S Animal Health Association
Small Intestine
5000000
Negative net energy balance
10. What is the average production lifetime of a dairy cow?
Twelve
1
Reproductive failure
3 years
11. In which breed of cow is the incidence of milk fever most common?
Pasteurizing system
Jersey
Abomasum
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.
12. A disease transmitted through natural mating which causes abortion - low conception rates - and irregular heat cycles is _____________________.
70% moisture
Between 6.0 and 6.5
Vibriosis
Poll
13. 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?
Nonstructural Carbohydrates
Brown Swiss
282 days
Manure handling procedures
14. Dairy herds have historically used artificial insemination. Currently approximately ____________% of all dairy pregnancies results from A.I.
Niacin
50
85
Follicle stimulating hormone
15. What type of mastitis is the easiest to cure?
30
Streptococus agalactae
14 days
Vitamin A
16. NFO
24
National Farmers Organization
Dished
The bacteria Escherichia Coli
17. Each animal inherits certain genes from both parents. What percentage of genes does a calf receive from its sire?
Increase - 5
75%
Basic Formula Price
50 percent
18. What is intravenous injection?
Solids removal
Parturient paresis
Black leg
Administered via blood vessels
19. A free martin is considered a...
3.0
Transponders
62 to 65% moisture
Sterile heifer born twin to a bull
20. Which one of the following is not classified as a fat‐soluble vitamin?
Sodium
Two weeks prior to calving
Vitamin B
A B-Vitamin
21. A cow with high lactation persistence is important for a dairy's economic success. Lactation persistency is...
Dairy Comp 305
Cows Milk production this month divided by production last month X 100
GTPI
Symbiotic
22. Which mineral functions in maintaining osmotic pressure - acid-base balance - and body fluid balance?
After 200 days of lactation
Corpus Luteum
Sodium
50-70
23. The _____________is the device responsible for regulating both the vacuum level and the proportion of the vacuum for the front and rear quarters
Two times
Flank
Pulsator
Between 14 and 35 days
24. In the standard protocol for cleaning milking equipment - which of the following is not one of the four phases of cleaning?
Energy
Propionic acid
Back flushing
Inguinal
25. What describes the fraction of the ration proteins - which is broken down by digestive enzymes and utilized by rumen bacteria?
3.5-4.0
Subclinical
% Degradable proteins
15 months
26. A bovine female which has not had a calf is a...
Heifer
2:1
Milking Shorthorn
Parturtion
27. What percent of the cows feed intake is consumed during the daylight hours?
Reproductive failure
Texas Commission on Environmental Quality
Bangs
70%
28. What is the most essential nutrient in animal feeding animals and maintaining health?
Water
Concentrated Animal Feeding Operation
Heat detection and conception rates
Copper
29. Neospora caninum is a major cause of what in pregnant cows?
Abortion
Poor
NAtional Research Council
Integrated pest management
30. What is another term for the lowest lateral regions of the abdomen - near the groin?
Percentage of Difficult Births in Heifers
Methane
Inguinal
Swollen hock
31. Normal body temperature for a dairy cow is _____________.
101.5 degrees F
Pulsator
Plant starch - pectin - and sugar
Blind quarter
32. The hormone ______________ stimulates milk let down and may be administered via injection - when necessary after parturition.
5
Oxytocin
Carbon
Guernsey
33. Limber leg is found most often in the ____________ dairy breed?
Jersey
3.5-4.0
During the first pregnancy
Carbon
34. Milk that is low in SCC has more casein - which is a primary component in _______?
The bacteria Escherichia Coli
Good plus
Cheese
Transponders
35. 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.
2:1
Drug residue
Calories
The weaving gait of affected cattle
36. Adequate consumption of long fiber roughage is important to both milk production and herd heath. A long fiber roughage is one that is...
Mud - water - and manure
Longer than 1.5 inches
Between 14 and 35 days
Sire conception rate
37. The dairy breed which produces the highest volume of milk is the...
100%
Holstein
9 weeks
50-80%
38. High potassium intake will decrease a cows ability to mobilize what?
15 months
Bone calcium
Magnesium
Esophageal groove
39. Recent research traits have shown that dairy cows prefer to be milked __________ times/day if they are able to choose.
15 months
Premis ID
Four or more times
Food safety and Inspection Service
40. A dairy cow that has her feet too far forward (under her belly) is said to be...
Premis ID
Sickle hocked
Two times
Reticulum
41. Grass Tetany may occur in early lactation cows grazing lush - heavily - fertilized pastures. Grass Tetany is caused by a ______________deficiency.
Parturient paresis
Magnesium
Predicted Transmitting Ability-Type
Black leg
42. The Global Dairy Agenda for Action is a pledge to reduce _______ emissions in an attempt to address global warming?
Duodenum
Carbon
Leukocytes
30%
43. Grass Tetany may occur in early lactation cows grazing lush - heavily - fertilized pastures. Grass Tetany is caused by a ______________deficiency.
Dairy character
Carbon Dioxide Gas
Pasteurizing system
Magnesium
44. 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
Sodium Bicarbonate
Mud - water - and manure
Bovine Viral Diarrhea
45. Crude fiber in a dietary ration must be at least ___% or milk fat percent will decrease.
Fats
18
Holstein
Mastitis
46. NFDM
2:1
Between 28 to 30 days
Nonfat Dry Milk
24 hours
47. USDEC
NAtional Research Council
United States Dairy Export Council
Plate chiller
9 weeks
48. What kinds of relationship do cattle and the microorganisms in their rumen share?
Interdigital phlegmon
Loin and chine
Drug residue
Symbiotic
49. Cows produce pheromones which...
80
305 days
Attract the opposite sex
Follicle stimulating hormone
50. When looking at DHI records - what do the letters RHA stand for?
16-18
Rolling Herd Average
Parturtion
The tendency for a group of animals to do the same thing at the same time