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Dairy Cattle Basics

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 cow with high lactation persistence is important for a dairy's economic success. Lactation persistency is...
Cows Milk production this month divided by production last month X 100
GTPI
Parathyroid gland
Parturtion

2. When looking at DHI records - what do the letters RHA stand for?
Rolling Herd Average
% Degradable proteins
Decreases - increases
Vitamin B

3. The two U.S. dairy breeds that originated in the Channel Islands off the coast of France are...
5
10 days
Guernsey and Jersey
Lactation records have been adjusted to the same milk fat percentage

4. Dairy Management Inc. introduced the _______ social media program for dairy advocates?
MyDairy
The influence of the sire of the cow on calving ease
No less than 60% moisture
Gonadotropin Releasing Hormone

5. 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).
Solids removal
Percentage of Difficult Births in Heifers
5
Silage

6. When evaluating a dairy ration - what do the letters TDN stand for?
87%
60 days
Vitamin B
Total Digestible Nutrients

7. Brucellosis is also know as...
PGF
15 months
Bangs
Cows Milk production this month divided by production last month X 100

8. NFDM
45-55
40 degrees F
Nonfat Dry Milk
5

9. Bovine Progressive Degenerative Myeloencephalopathy (BPDME) is better known as Weaver Syndrome because of...
Total Mixed Ration
Copper sulfate
The weaving gait of affected cattle
National Milk Producers Federation

10. Limber leg is found most often in the ____________ dairy breed?
Jersey
Good plus
Copper sulfate
During the first pregnancy

11. Foot Rot is scientifically known as what?
It is not necessary to supplement the intake of Vitamin B complex
Twice/day
Pulsator
Interdigital phlegmon

12. Milk let down in a dairy cow may be stimulated by...
Feeding the cow
After 200 days of lactation
% Degradable proteins
Holstein

13. Which reproductive condition results when the fetal membranes remain within the uterus for an extended period following parturition?
Potassium
Guernsey
Retained placenta
20000000

14. Bovine Progressive Degenerative Myeloencephalopathy (BPDME) is better known as Weaver Syndrome because of...
Epinephrine
The weaving gait of affected cattle
3.5-4.0
A B-Vitamin

15. What type of mastitis is the easiest to cure?
It has a lower vacuum requirement
2.25
Streptococus agalactae
Integrated pest management

16. Which compartment of a dairy cow's stomach is located closest to the heart and it is a spot where hardware disease occurs?
Reticulum
Administered in the muscle
Displaced abomasum
The initiation of milk secretion

17. How did parallels perform when compared to herringbones?
Back flushing
10 days
Rump
Parallels out performed herringbones by nearly 8%

18. When reffering to vaccinations - what do the letters MLV stand for?
Between 28 to 30 days
Integrated pest management
Modified Live Virus
75%

19. When doing classification scoring - a cow given the numerical value of 85-89.9 is classified as...
Very good
14 days
The influence of the sire of the cow on calving ease
The cows leave the milkers via an alley wide enough to allow 2 or more cows side by side

20. What percent of the cows feed intake is consumed during the daylight hours?
The abomasums of a milk fed calf
To give birth
70%
Bovine Somatotropin

21. When a small metal object punctures the stomach wall and causes an infection - the resulting disease is called____________________.
Hardware disease
Left side of the body
The bottom most part of the tail
Extremely fat

22. A disease causing air bubbles under the skin and usually results in rapid death is __________.
After 55 days
Black leg
12-14 weeks
Feed

23. Dairy cattle have a ________ field of vision to their front
Carbon Dioxide Gas
Dished
300 + degree
Between 28 to 30 days

24. Coccidia infection can occur when calves are 4 to 8 weeks old. Coccidia causes...
Rump
Enteritis
Epinephrine
Cheddar cheese

25. Cheddar cheese accounts for ____ % of American type cheeses made in the U.S.
Two weeks prior to calving
Lignin
80
General Agreement on Tariff and Trade

26. A mutation where a calf is born with a single toe on one or more feet is called...
Non-forage Carbohydrates
Side by side (head out)
Mule-foot
25 gallons

27. What does the term freshen mean in relation the dairy production?
Progesterone
To give birth
Neutral Detergent Fiber
Water

28. When referring to rations - what do the letters NFC stand for?
10 days
The tendency for a group of animals to do the same thing at the same time
Non-forage Carbohydrates
70%

29. What is the name of the term for a farm's unique identification number that is part of the National Animal Identification System?
Brown Swiss
Between 28 to 30 days
Premis ID
Oxytocin

30. A Milking herd's TMR should be available to cows how many hours throughout the day?
Mycobacterium Paratuberculosis
The tendency for a group of animals to do the same thing at the same time
70%
20 to 24

31. What percentage of whole milk is fat when compared on a dry matter basis?
Water
25%
Cows Milk production this month divided by production last month X 100
3 years

32. 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.
Nonstructural Carbohydrates
60
Plate chiller
Prussic acid poisoning

33. When comparing bulls for artificial insemination - What does 'SCR' stand for?
Foreign Agricultural Service
Propionic acid
Sire conception rate
Abortion

34. Dairy cattle where first successfully cloned in the_______________.

35. Most dairies in Texas are considered to be CAFO's. A CAFO is...
Concentrated Animal Feeding Operation
Commodity Credit Corporation
Corpus Luteum
25%

36. What percent of crude protein should a calf starter be?
16-18
Zinc
Bone calcium
Alfalfa and Clover

37. Which reproductive condition results when the fetal membranes remain within the uterus for an extended period following parturition?
Retained placenta
Sterile heifer born twin to a bull
Preparing cows properly
A minimum of every 6 months

38. How is a dairy's RHA calculated?
You S Animal Health Association
Guernsey
Ringworm
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.

39. Which hormone produced by the uterus causes regression of the corpus luteum?
PGF
Chine
Udder
Cheddar cheese

40. According to the American Veterinary Medicine Association - the preferred method of dehorning young calves is_________.
Reduce the incidence of mastitis
Disbudding
Integrated pest management
GTPI

41. What acid is formed when nonstructural carbohydrates are digested in the rumen?
282 days
Propionic acid
Mycobacterium Paratuberculosis
Premis ID

42. FARAD
European Union
80
Non-forage Carbohydrates
Food Animal Residue Avoidance Databank

43. The annual sale of dairy semen exceeds __________ straws.
Nonprotein nitrogen
Zinc
20000000
2.25

44. HTST is a ______________
Pasteurizing system
75%
Heifer
Texas Commission on Environmental Quality

45. The breed of dairy cattle that can be roan - all red - all white - or even spotted red and white is...
Two times
Milking Shorthorn
The weaving gait of affected cattle
Prussic acid poisoning

46. In regards to pedigrees - What is a RHA?
High-producing pregnant cows
Feed
Registered Holstein Ancestry
85

47. How many days after parturition should you wait before breeding a cow back?
60 days
Udder
Pastuerized Milk Ordinance
16-18

48. Corn silage stored in sealed upright silos should be ensiled at what moisture?
70% moisture
No less than 60% moisture
Nitrogen
12-14 weeks

49. NMPF
Heat detection and conception rates
40/60
Copper
National Milk Producers Federation

50. Fermented forage plants relates to...
Claw
Limber leg
Silage
The bacteria Escherichia Coli