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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 number one reason for culling in U.S. dairy herds is...
Cryoscope
Pass from animals to humans and vice versa
Black leg
Reproductive failure
2. The hormone BST is given to dairy cows...
Nitrogen
3.0
Nitrogen excretion
After 200 days of lactation
3. As a rule of thumb when milk production ________ - the milk fat content _______
Decreases - increases
GTPI
Intravenous injection of calcium gluconate
Administered via blood vessels
4. The rumen of a mature cow will hold approximately...
40 gallons
.39%
Poor
Vitamin B
5. 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__________.
Displaced abomasum
Poor
Feed
Lignin
6. Producers using BST must give their cows an injection of it every...
Good plus
14 days
18
Prevent ingested metal objects from interfering with the digestive tract or the respiratory system
7. Pest Predators will travel up to ____ yards to find their food source (fly pupae).
60 days
Cheese
80
Concentrated Animal Feeding Operation
8. Many dairy bulls have their nose pierced with a ring in it. This allows for...
Restraint and control of the animal
16-18
30%
Texas Commission on Environmental Quality
9. A very popular dairy management software in Texas is...
Front feet toward rear of the cow with head - nose first - between them
Sire conception rate
Transponders
Dairy Comp 305
10. What is the scientific term for birth?
Carbon Dioxide Gas
Rumen
Parturtion
Reticulum
11. Many dairies place bands on their cows necks or feet - with black boxes containing electronic I.D. - production - management information. These units are called...
45-55
10
Transponders
Brown Swiss
12. A dairy expects to cull approximately _________% of their herd each year.
25-30
Reticulum
Abomasum
3.0
13. When discussing lactation records - What does the term 'fat corrected milk' mean?
Lactation records have been adjusted to the same milk fat percentage
Between 6.0 and 6.5
3.5-4.0
Copper sulfate
14. A cow's gestation period is _______ long?
GTPI
282 days
Plant starch - pectin - and sugar
Holstein
15. What is Milk Fever paresis caused by?
Niacin
Prussic acid poisoning
Ringworm
Low blood levvels of ionized calcium
16. Rotary Parlors or Carousel milk barns have the advantage of being ________________ when compared to other type barns.
Displaced abomasum
Faster
Pulsator
Parturient paresis
17. A mutation where calves have little or no control over the movement of their legs is called...
Hormones
Limber leg
The cows leave the milkers via an alley wide enough to allow 2 or more cows side by side
Poll
18. A dairy cow that has all 8 permanent incisor teeth can be considered to be a minimum of ______________old.
Collecting the methane gas being produced and using it as an energy source on the dairy
4 years
85
100%
19. The standard length of the dry period in dairy cattle is ________?
62 to 65% moisture
9%
20 to 24
60 days
20. The hooks and pins on an animal relate most closely to the...
Four or more times
Rump
20
In the cell wall
21. After a bulk tank is washed and rinsed - beading of water droplets is a sign of _____.
GTPI
Predicted Transmitting Ability-Type
35 to 40%
Fat residue
22. Fear can disrupt milk letdown in a cow. The hormone released that causes this disruption is...
Epinephrine
Chine
25
Registered Holstein Ancestry
23. What percent moisture should corn silage be chopped at when stored in horizontal bunker silos or bags?
Milking Shorthorn
Fats
70% moisture
5
24. This vitamin plays a role in the coagulation of blood...
Water
Vitamin K
Udder
Sole
25. Most dairies in Texas are considered to be CAFO's. A CAFO is...
25-30
Concentrated Animal Feeding Operation
50-70
Arteries
26. To the hundreth - how many pounds of milk are in a gallon?
XY
Abomasum
8.62 pounds
Calories
27. PTAT
Guernsey
400‐500 gallons
Predicted Transmitting Ability-Type
Abomasum
28. What is intravenous injection?
Restraint and control of the animal
Administered via blood vessels
25
Two
29. Name the three common places Coliforms are found.
Nonprotein nitrogen
Plant starch - pectin - and sugar
Mud - water - and manure
Cheese
30. At what isoelectric point (point at which proteins have net zero charge) do caseins precipitate?
Heifer
Guernsey and Jersey
Parathyroid gland
PH 4.6
31. To dairymen - the most harmful disease impacting milk production and their economic bottom line is...
Mastitis
Integrated pest management
Pass from animals to humans and vice versa
Methane
32. How many grams of lactose are in an 8 oz. glass of milk?
10
Predicted Transmitting Ability-Type
Feed
282 days
33. USDEC
Subclinical
United States Dairy Export Council
Recessive
Dairy Comp 305
34. What kinds of relationship do cattle and the microorganisms in their rumen share?
% Degradable proteins
25%
Symbiotic
3 years
35. In cows - salmonellosis infections are most common in those that have calved within __________.
101.5 degrees F
The tendency for a group of animals to do the same thing at the same time
10 days
Listeria
36. How many days after parturition should you wait before breeding a cow back?
60 days
A minimum of every 6 months
Net Energy
Lactation records have been adjusted to the same milk fat percentage
37. The first feeding of colostrum should equal about ___ percent of the calf's body weight?
Mycobacterium bovis
5
1
Inguinal
38. What breed is known to produce milk over a greater number of years than all other breeds?
300 + degree
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.
Mule-foot
Brown Swiss
39. How much more energy do fats contain per unit the carbohydrates and proteins?
Bovine Viral Diarrhea
87%
2.25
Milking Shorthorn
40. The two U.S. dairy breeds that originated in the Channel Islands off the coast of France are...
After each use
Laminitis
Guernsey and Jersey
Intravenous injection of calcium gluconate
41. A rolling herd average (RHA) is based on how many months?
Twelve
Potassium
Brucellosis
Pastuerized Milk Ordinance
42. The milk produced on a dairy must be moved through a system of components and piping made from...
5
4 years
Stainless steel
The initiation of milk secretion
43. Cheddar cheese accounts for ____ % of American type cheeses made in the U.S.
Silage
25-30
24
80
44. What percent of milk is water?
40 gallons
Oxytocin
87%
Pastuerized Milk Ordinance
45. After insemination - how long do sperm live in the cow's reproductive tract?
Prevent ingested metal objects from interfering with the digestive tract or the respiratory system
Left side of the body
24 hours
Premis ID
46. ___________ represents the largest daily input cost in producing milk.
Vitamin A
5
Feed
Sodium Bicarbonate
47. When comparing bulls for artificial insemination - What does 'SCR' stand for?
100%
Sire conception rate
It is not necessary to supplement the intake of Vitamin B complex
8.62 pounds
48. A dairy expects to cull approximately _________% of their herd each year.
25-30
Guernsey
35 to 40%
Parturtion
49. If the heat detection rate is 30% and the conception rate is 30% - What is the pregnancy rate?
Brown Swiss
5000000
Reticulum
9%
50. How much more energy do fats contain per unit the carbohydrates and proteins?
PGF
Non-forage Carbohydrates
Milking Shorthorn
2.25