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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. Which reproductive condition results when the fetal membranes remain within the uterus for an extended period following parturition?
18
Between 14 and 35 days
Retained placenta
The cows leave the milkers via an alley wide enough to allow 2 or more cows side by side
2. To the hundreth - how many pounds of milk are in a gallon?
Lignin
8.62 pounds
Milk fever
Nonstructural Carbohydrates
3. A cow with high lactation persistence is important for a dairy's economic success. Lactation persistency is...
60
Calcium
Cows Milk production this month divided by production last month X 100
Total Mixed Ration
4. A free martin is considered a...
Reproductive failure
Integrated pest management
Guernsey and Jersey
Sterile heifer born twin to a bull
5. What is the sex chromosome configuration of a male calf?
60
XY
Vitamin K
14 days
6. %DBH
Mud - water - and manure
Rumen
Percentage of Difficult Births in Heifers
87%
7. When the environmental temperature falls below 30°F - the normal diet of a young calf should be supplemented with _______________?
Basic Formula Price
Parturtion
Energy
100
8. Most dairies in Texas are considered to be CAFO's. A CAFO is...
Collecting the methane gas being produced and using it as an energy source on the dairy
Small intestine
Transponders
Concentrated Animal Feeding Operation
9. What is the most abundant mineral in the body?
Calcium
Food Animal Residue Avoidance Databank
Cheddar cheese
Food Animal Residue Avoidance Databank
10. Which hormone produced by the uterus causes regression of the corpus luteum?
PGF
Epinephrine
Side by side (head out)
300 + degree
11. Hairy Heel Wart is scientifically known as what?
Plant starch - pectin - and sugar
Digital Dermatitis
National Farmers Organization
72
12. In which breed of cow is the incidence of milk fever most common?
Mastitis
87%
Urea
Jersey
13. The standard length of the dry period in dairy cattle is ________?
60 days
Loin and chine
45-55
Total Mixed Ration
14. Which of the following diseases is not caused by a virus?
Rump
Laminitis
Reticulum
87%
15. What state agency regulates waste management?
3 years
Mycotoxins
75-79.9
Texas Commission on Environmental Quality
16. Mule-foot is found most often in ___________dairy breed?
Holstein
Administered in the muscle
12-14 weeks
Longer than 1.5 inches
17. Limber leg is found most often in the ____________ dairy breed?
Jersey
Mastitis
Left side of the body
They may be bothersome to livestock and other animals
18. What is the average production lifetime of a dairy cow?
Two times
100
Roughage
3 years
19. When referring to rations - what do the letters NFC stand for?
Non-forage Carbohydrates
Streptococus agalactae
20
Parturient paresis
20. If the heat detection rate is 30% and the conception rate is 30% - What is the pregnancy rate?
Brown Swiss
Net Energy
10 days
9%
21. In which breed of cow is the incidence of milk fever most common?
Omasum
Jersey
A negatively charged ion
Total Production Index
22. The _____________is the device responsible for regulating both the vacuum level and the proportion of the vacuum for the front and rear quarters
Texas Commission on Environmental Quality
Lignin
100%
Pulsator
23. What percent of lactating dairy cows have oxytocin in their bloodstreams during milking?
Lignin
Intravenous injection of calcium gluconate
100%
Guernsey and Jersey
24. High potassium intake will decrease a cows ability to mobilize what?
Arteries
Loin and chine
Bone calcium
10%
25. Bovine Progressive Degenerative Myeloencephalopathy (BPDME) is better known as Weaver Syndrome because of...
The weaving gait of affected cattle
Dished
Symbiotic
Energy
26. 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
Citrate
Fat
Digestive
27. What is an anion?
24 hours
9%
A negatively charged ion
Cellulose - hemicellulose - and lignin
28. What percent of milk is water?
The bacteria Escherichia Coli
Corpus Luteum
87%
Cystic
29. Many dairymen 'dock' the tail on their cows much to the chagrin of Animals Rights groups. They believe This is necessary to...
Copper sulfate
Black leg
Inguinal
Reduce the incidence of mastitis
30. In the reproductive tract of a dairy cow - how many uterine horns are there?
Swollen hock
You S Animal Health Association
80
Two
31. As a rule of thumb when milk production ________ - the milk fat content _______
62 to 65% moisture
Decreases - increases
Sole
Prevent ingested metal objects from interfering with the digestive tract or the respiratory system
32. Why is fat added to dairy rations?
After each use
Leukocytes
Stainless steel
To add a concentrated form of energy
33. Heritability for milk production in dairy cattle is...
Extremely fat
30%
Two weeks prior to calving
Reticulum
34. Bovine Progressive Degenerative Myeloencephalopathy (BPDME) is better known as Weaver Syndrome because of...
The weaving gait of affected cattle
Bovine Viral Diarrhea
20000000
Propionic acid
35. What trait with the only positive genetic correlation to milk production?
Low blood levvels of ionized calcium
Dairy character
Corpus Luteum
Cellulose - hemicellulose - and lignin
36. A bovine female which has not had a calf is a...
Collecting the methane gas being produced and using it as an energy source on the dairy
United States Dairy Export Council
Left side of the body
Heifer
37. How often will HACCP inspect each Dairy Farm?
Non-forage Carbohydrates
Recessive
Feed low potassium hay - silage - and anionic salts to dry cows
A minimum of every 6 months
38. Cheddar cheese accounts for ____ % of American type cheeses made in the U.S.
Displaced abomasum
80
Holstein
5
39. Producers using BST must give their cows an injection of it every...
Hardware disease
Nitrogen
14 days
Escherichia coli
40. Colostrum given to a baby calf more than ____________hours old is NOT absorbed and thus does little good.
Negative net energy balance
They may be bothersome to livestock and other animals
80
24
41. On average - how many weekd after freshening does a cow's dry matter intake peak?
Left side of the body
12-14 weeks
50 percent
60
42. Legally you cannot make cottage cheese from raw milk - but you can make _________ from raw milk.
Abomasum
Cheddar cheese
Abomasum
305 days
43. Which one of the following is NOT classified as a water soluble-vitamin?
60
Vitamin A
3.0
12-14 weeks
44. One of the highest heritability traits for milk is...
40/60
% Protein
Loin and chine
Cryoscope
45. The hooks and pins on an animal relate most closely to the...
Rump
Poll
The influence of the sire of the cow on calving ease
750000
46. Legally you cannot make cottage cheese from raw milk - but you can make _________ from raw milk.
Oxytocin
75-79.9
Cheddar cheese
45-55
47. The portion of the ruminant digestive system which is known as and functions as the 'true' stomach is the...
Escherichia coli
Abomasum
Feed
25-30
48. Texas dairies normally must be permitted by the ___________before they begin operations.
50 percent
Potassium
Direct Microscopic Counts
Texas Commission on Environmental Quality
49. Why is fat added to dairy rations?
Milking Shorthorn
Mastitis
To add a concentrated form of energy
Mycobacterium Paratuberculosis
50. What percent of milk is water?
Dairy Comp 305
87%
Heat detection and conception rates
Poll