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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. The hooks and pins on an animal relate most closely to the...
Vitamin K
The influence of the sire of the cow on calving ease
Rump
Attract the opposite sex
2. When using sexed semen - conception rates are _________ percent of the conception rates achieved when using unsexed semen under the same conditions?
Citrate
Reduce the incidence of mastitis
Jersey
50-80%
3. Manure digesters convert _______________ fuel into electricity.
3-6 minutes
Methane
Net Energy
Vitamin B
4. Which one of the following is the name of the part of the cow's back that lies between the withers and the loin?
Chine
Extremely fat
.39%
Between 14 and 35 days
5. What describes the fraction of the ration proteins - which is broken down by digestive enzymes and utilized by rumen bacteria?
Small Intestine
Ringworm
Income over feed costs
% Degradable proteins
6. What type of mastitis is the easiest to cure?
Streptococus agalactae
30%
50
Hardware disease
7. Where are degradable proteins broken down?
Water
Bovine Somatotropin
Rumen
80
8. Which hormone produced by the uterus causes regression of the corpus luteum?
Energy
50 percent
Milk fever
PGF
9. A dairyman may milk in a rapid exit barn. This simply means that...
Udder
The cows leave the milkers via an alley wide enough to allow 2 or more cows side by side
3.5-4.0
To give birth
10. Feeding bulky feeds during the dry period and gradually bringing fresh cows back on grain are ways to prevent...
Feed low potassium hay - silage - and anionic salts to dry cows
Displaced abomasum
100%
50
11. Which system of the cow's body is most affected by paratuberculosis?
Digestive
Udder - feet and legs - body form - & dairy character
2:1
When it is proven that she will breed
12. What percent of dry matter in plants is made of carbohydrates?
4 years
75%
Cheddar
Cellulose - hemicellulose - and lignin
13. Milk traits - i.e. fat - protein - SNF and etc. - tend to have a heritability of about...
% Degradable proteins
Streptococus agalactae
20-30%
Cheese
14. Proponents of global warming having accused cows of being a major factor. This is due to their release of...
Two times
Carbon Dioxide Gas
Nitrogen excretion
Milking Shorthorn
15. A disease transmitted through natural mating which causes abortion - low conception rates - and irregular heat cycles is _____________________.
Collecting the methane gas being produced and using it as an energy source on the dairy
United States Dairy Export Council
Fat
Vibriosis
16. A Milking herd's TMR should be available to cows how many hours throughout the day?
20 to 24
5-9 years old
Reduce the incidence of mastitis
Ringworm
17. How many das into a pregnancy can a fetus be sexed by ultrasound?
Commodity Credit Corporation
After 55 days
General Agreement on Tariff and Trade
Two
18. When referring to milk test used at the processing plant - What is a DMC?
5
Food safety and Inspection Service
Oxytocin
Direct Microscopic Counts
19. 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).
10%
5
Back flushing
Beta-carotene
20. The breed of dairy cattle that can be roan - all red - all white - or even spotted red and white is...
Integrated pest management
Milking Shorthorn
Restraint and control of the animal
A minimum of every 6 months
21. What is the USDA's AIPL?
Animal Improvement Program Lab
Cheese
Digestive
Oxytocin
22. What is a common name for infectious kerato conjunctivitis?
Mud - water - and manure
The influence of the sire of the cow on calving ease
Pink eye
The weaving gait of affected cattle
23. Some Texas dairymen are placing Bermuda and/or corn forage into ______________ for fermentation and silage production.
Omasum
Niacin
Inguinal
Large Plastic Bags
24. Ways to avoid milk fever in cows
Decreases - increases
Pasteurizing system
Heat detection and conception rates
Feed low potassium hay - silage - and anionic salts to dry cows
25. What is a TMR to a dairy person?
Oxytocin
Fats
Total Mixed Ration
Calcium
26. What percent moisture should corn silage be chopped at when stored in horizontal bunker silos or bags?
Left side of the body
Rumen
70% moisture
80
27. Milk should be below what temperature before it is transferred to a milk truck?
40 degrees F
10
72
.39%
28. What is the scientific term for birth?
Parturtion
Side by side (head out)
Copper sulfate
75%
29. Cheddar cheese accounts for ____ % of American type cheeses made in the U.S.
Poor
80
Between 6.0 and 6.5
Plant starch - pectin - and sugar
30. What machine is used to determine if water has been added to milk?
During the first pregnancy
Cryoscope
101.5 degrees F
Parturtion
31. Each animal inherits certain genes from both parents. What percentage of genes does a calf receive from its sire?
Brucellosis
Fat
50 percent
400 pounds
32. What is lactogenesis?
Vitamin A
The initiation of milk secretion
Carbon
282 days
33. Colostrum given to a baby calf more than ____________hours old is NOT absorbed and thus does little good.
24
It has a lower vacuum requirement
Cryoscope
PH 4.6
34. Allelomimetic behavior is defined as...
10 days
The tendency for a group of animals to do the same thing at the same time
Increase - 5
Vitamin A
35. What hormone is responsible for maintaining pregnancy?
North American Free Trade Agreement
Copper
Progesterone
60 days
36. The only aspect of milk quality that can be completely controlled on the farm is ______________.
Drug residue
50-70
Mycotoxins
Nonfat Dry Milk
37. Endocrinology is the science dealing with _______________.
Fat
Hormones
Mastitis
750000
38. Some Texas dairymen are placing Bermuda and/or corn forage into ______________ for fermentation and silage production.
Large Plastic Bags
Potassium
Very good
Oxytocin
39. What is the approximate time of ovulation in cattle after the beginning of heat?
1957
30 hours
25%
Mud - water - and manure
40. What is Milk Fever paresis caused by?
5
Low blood levvels of ionized calcium
50-80%
Texas Commission on Environmental Quality
41. What percentage of whole milk is fat when compared on a dry matter basis?
Digital Dermatitis
Very good
25%
Plant starch - pectin - and sugar
42. Most dairies in Texas are considered to be CAFO's. A CAFO is...
Concentrated Animal Feeding Operation
European Union
Net Energy
General Agreement on Tariff and Trade
43. 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.
Cellulose - hemicellulose - and lignin
Plate chiller
GTPI
24
44. For best results calves should be fed colostrum within ____ hours of calving...
Prussic acid poisoning
6 hours
Black leg
Brown Swiss
45. Jersey cattle are characterized by having a ______________ face...
Dished
35 to 40%
Vitamin K
25-30
46. High potassium intake will decrease a cows ability to mobilize what?
Urea
Parturtion
Clipping and singeing
Bone calcium
47. Colostrum has approximately _____ calcium - as does regular milk.
The influence of the sire of the cow on calving ease
Two times
Epinephrine
The cows leave the milkers via an alley wide enough to allow 2 or more cows side by side
48. On the PDCA Unified Dairy Score Card - the category 'dairy strength' accounts for how many points?
Left side of the body
Feed
25
Jersey
49. Which one of the following is NOT classified as a water soluble-vitamin?
Guernsey and Jersey
To give birth
Vitamin A
Four or more times
50. Cows treated with BST typically show an increase in milk production of...
Udder - feet and legs - body form - & dairy character
100%
Cation-Anion Difference
10%