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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. A dairy cow that has all 8 permanent incisor teeth can be considered to be a minimum of ______________old.
Nonfat Dry Milk
Jersey
4 years
Guernsey and Jersey
2. Colostrum given to a baby calf more than ____________hours old is NOT absorbed and thus does little good.
Magnesium
40 gallons
24
Bone calcium
3. Pest Predators will travel up to ____ yards to find their food source (fly pupae).
Alfalfa and Clover
Milk fever
80
Poll
4. The hormone BST is given to dairy cows...
Rump
80
After 200 days of lactation
25 gallons
5. Why is fat added to dairy rations?
To add a concentrated form of energy
Very good
NAtional Research Council
Hormones
6. Mule-foot is found most often in ___________dairy breed?
Holstein
Water
Calories
Extremely fat
7. What percent moisture should corn silage be chopped at when stored in horizontal bunker silos or bags?
Brucellosis
70% moisture
80
9%
8. Cows produce pheromones which...
Loin and chine
Longer than 1.5 inches
Nonstructural Carbohydrates
Attract the opposite sex
9. When evaluating a dairy ration - what do the letters TDN stand for?
Total Digestible Nutrients
North American Free Trade Agreement
18
Sterile heifer born twin to a bull
10. A switch on a cow is...
60 days
400‐500 gallons
Swollen hock
The bottom most part of the tail
11. When discussing feed mixers - What is the range of manufacturers recommmended mixing times?
The bottom most part of the tail
3-6 minutes
Foreign Agricultural Service
Milking Shorthorn
12. A mutation where a calf is born with a single toe on one or more feet is called...
Mule-foot
Fats
Animal Improvement Program Lab
80
13. 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
Mammals
Loin and chine
9 weeks
14. How many das into a pregnancy can a fetus be sexed by ultrasound?
After 55 days
Clipping and singeing
Body weight
The influence of the sire of the cow on calving ease
15. Manure management is a major concern for most modern - large-scale dairies. The newest management techniques being used involve...
Limber leg
Two times
Cystic
Collecting the methane gas being produced and using it as an energy source on the dairy
16. Bulk tanks must be emptied and cleaned every _____ hours.
Cellulose - hemicellulose - and lignin
50 percent
72
Citrate
17. What state agency regulates waste management?
Silage
Texas Commission on Environmental Quality
Reproductive failure
Mycobacterium Paratuberculosis
18. In reference to reproduction - What does CL stand for?
Corpus Luteum
Arteries
The weaving gait of affected cattle
18
19. dairy cow may not reach her highest milk yield until she is...
Decreases - increases
Recessive
A negatively charged ion
5-9 years old
20. Which dairy breed originated in the central part of the European continent?
Collecting the methane gas being produced and using it as an energy source on the dairy
Brown Swiss
The bacteria Escherichia Coli
Sodium Bicarbonate
21. Many dairymen 'dock' the tail on their cows much to the chagrin of Animals Rights groups. They believe This is necessary to...
Duodenum
Reduce the incidence of mastitis
Pastuerized Milk Ordinance
3 years
22. What units are used to measure energy?
During the first pregnancy
After 200 days of lactation
Predicted Transmitting Ability-Type
Calories
23. On the PDCA Unified Dairy Score Card - the category 'feet and legs' accounts for how many points?
Nonfat Dry Milk
20
Guernsey
Streptococus agalactae
24. At what isoelectric point (point at which proteins have net zero charge) do caseins precipitate?
PH 4.6
Relative Forage Value
Intravenous injection of calcium gluconate
Arteries
25. When the environmental temperature falls below 30°F - the normal diet of a young calf should be supplemented with _______________?
Energy
Small Intestine
Lignin
20000000
26. The two U.S. dairy breeds that originated in the Channel Islands off the coast of France are...
Guernsey and Jersey
Rump
Cystic
40 gallons
27. How did parallels perform when compared to herringbones?
Parallels out performed herringbones by nearly 8%
Mycotoxins
Manure handling procedures
Jersey
28. Cows that are at risk of developing ketosis can be fed what vitamin to help prevent ketosis?
Niacin
Vibriosis
Bangs
Vitamin A
29. According to the American Veterinary Medicine Association - the preferred method of dehorning young calves is_________.
Disbudding
It is not necessary to supplement the intake of Vitamin B complex
Corpus Luteum
Sickle hocked
30. How many grams of lactose are in an 8 oz. glass of milk?
3.0
Abomasum
101.5 degrees F
10
31. Cheddar cheese accounts for ____ % of American type cheeses made in the U.S.
Abomasum
80
Modified Live Virus
The tendency for a group of animals to do the same thing at the same time
32. dairy cow may not reach her highest milk yield until she is...
Water
Copper
5-9 years old
101.5 degrees F
33. 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.
16-18
Water
2:1
Rumen
34. 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__________.
Potassium
Claw
Manure handling procedures
Lignin
35. FSA
Farm Service Agency
3.0
Negative net energy balance
Pasteurizing system
36. Which of the following diseases is not caused by a virus?
Laminitis
Mastitis
NAtional Research Council
Loin and chine
37. Heritability for milk production in dairy cattle is...
Administered via blood vessels
High-producing pregnant cows
30%
Holstein
38. A ____________ is usually necessary when feeding Dairy Cows TMR rations.
United States Dairy Export Council
Mixer box on a truck or trailer
Fats
GTPI
39. What are the four composite indexes calculated by the Holstein Association?
A minimum of every 6 months
Two weeks prior to calving
After 55 days
Udder - feet and legs - body form - & dairy character
40. NRC
Feed low potassium hay - silage - and anionic salts to dry cows
Sodium Bicarbonate
Parallels out performed herringbones by nearly 8%
NAtional Research Council
41. Parallel milk barns typically have several cows on each side. The cows are arranged in a ____________ fashion in this barn.
Side by side (head out)
The abomasums of a milk fed calf
Copper
5
42. What is another term for the lowest lateral regions of the abdomen - near the groin?
Black leg
Parturtion
The influence of the sire of the cow on calving ease
Inguinal
43. In the reproductive tract of a dairy cow - how many uterine horns are there?
Two
Small intestine
Symbiotic
40 gallons
44. The most costly form of mastitis is?
Pink eye
60 days
Subclinical
To give birth
45. Which reproductive condition results when the fetal membranes remain within the uterus for an extended period following parturition?
Percentage of Difficult Births in Heifers
Drug residue
Retained placenta
70%
46. Protein is a combination of amino acids. The amino acids are unique among compounds involved in nutrition because they contaIn what element?
20
50-80%
Nitrogen
Reproductive failure
47. Milk fever is also (scientifically) known as what?
40/60
Mule-foot
Parturient paresis
Two times
48. Milk fever is also (scientifically) known as what?
Non-forage Carbohydrates
Escherichia coli
Parturient paresis
Duodenum
49. In dairy cows - What is the name of the disease caused by the organisms Staph Aureus - Strep Uberis - and Klebsiella?
Bovine Viral Diarrhea
Nonstructural Carbohydrates
Mastitis
24 hours
50. Regarding feed formulation - What does CAD stand for?
MyDairy
Post-synch
Niacin
Cation-Anion Difference