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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. Many dairymen 'dock' the tail on their cows much to the chagrin of Animals Rights groups. They believe This is necessary to...
Rumen and reticulum
60
Sterile heifer born twin to a bull
Reduce the incidence of mastitis

2. A Milking herd's TMR should be available to cows how many hours throughout the day?
Vitamin K
Flank
Prevent ingested metal objects from interfering with the digestive tract or the respiratory system
20 to 24

3. Name the three common places Coliforms are found.
Corpus Luteum
Vitamin K
Holstein
Mud - water - and manure

4. What numerical value does a Holstein cow get when given the classification good?
Mycobacterium bovis
75-79.9
Side by side (head out)
Brown Swiss

5. NRC
24
25-30
NAtional Research Council
Milking Shorthorn

6. New computerized robotic milk stations are becoming a reality today. They have different names but one common one is MOD system. MOD means...
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.
Symbiotic
Bovine Viral Diarrhea
Milk on Demand

7. When referring to milk test used at the processing plant - What is a DMC?
Vibriosis
Direct Microscopic Counts
25 gallons
You S Animal Health Association

8. Recent research traits have shown that dairy cows prefer to be milked __________ times/day if they are able to choose.
400 pounds
Four or more times
Laminitis
25-30

9. A dairyman may milk in a rapid exit barn. This simply means that...
Digital Dermatitis
Carbon Dioxide Gas
Feed
The cows leave the milkers via an alley wide enough to allow 2 or more cows side by side

10. What percent non-fiber carbohydrate should a ration contain for high producing cows?
Magnesium
Between 6.0 and 6.5
Rolling Herd Average
35 to 40%

11. Neospora caninum is a major cause of what in pregnant cows?
Abortion
Hormones
Oxytocin
24 hours

12. The major advantage of a 'low-line' milk line as compared to the older 'high-line' is...
It has a lower vacuum requirement
Holstein
Nonstructural Carbohydrates
Silage

13. Where are non-degradable proteins absorbed?
15 months
Small Intestine
Between 28 to 30 days
Stainless steel

14. What is a common name for infectious kerato conjunctivitis?
Milking Shorthorn
Pink eye
Nitrogen
Between 6.0 and 6.5

15. Some Texas dairymen are placing Bermuda and/or corn forage into ______________ for fermentation and silage production.
Large Plastic Bags
Food safety and Inspection Service
50 percent
Direct Microscopic Counts

16. According to the American Veterinary Medicine Association - the preferred method of dehorning young calves is_________.
Disbudding
Carbon Dioxide Gas
Back flushing
Cellulose - hemicellulose - and lignin

17. A disease transmitted through natural mating which causes abortion - low conception rates - and irregular heat cycles is _____________________.
Vibriosis
14 days
Udder
The initiation of milk secretion

18. Fear can disrupt milk letdown in a cow. The hormone released that causes this disruption is...
1
14 days
Epinephrine
101.5 degrees F

19. Brucellosis is also know as...
50-80%
Two
Bangs
Duodenum

20. What is lactogenesis?
It is not necessary to supplement the intake of Vitamin B complex
Silage
The initiation of milk secretion
European Union

21. When a small metal object punctures the stomach wall and causes an infection - the resulting disease is called____________________.
50 percent
60 days
400‐500 gallons
Hardware disease

22. How many days after breeding can a pregnancy be detected by ultrasound?
Flank
PH 4.6
General Agreement on Tariff and Trade
Between 28 to 30 days

23. The rumen of a mature cow will hold approximately...
After 200 days of lactation
45-55
40 gallons
Front feet toward rear of the cow with head - nose first - between them

24. Corn silage stored in sealed upright silos should be ensiled at what moisture?
Small intestine
Two times
Pulsator
No less than 60% moisture

25. Lactation is unique to _________.
1
After 55 days
Mammals
16-18

26. Where are degradable proteins broken down?
PGF
Rumen
Magnesium
50

27. The rumen of a mature cow will hold approximately...
Calcium
40 gallons
Bovine Viral Diarrhea
Animal Improvement Program Lab

28. 'Thurl position' is a trait evaluated in the ________ category on the PDCA Unified Scorecard?
14 days
Rear feet and legs
60 days
Esophageal groove

29. The rumen of a cow is located...
Left side of the body
Nitrogen
Total Digestible Nutrients
Nonprotein nitrogen

30. The first feeding of colostrum should equal about ___ percent of the calf's body weight?
Energy
5
PGF
.39%

31. Most dairies in Texas are considered to be CAFO's. A CAFO is...
50
Pulsator
Concentrated Animal Feeding Operation
Bovine Viral Diarrhea

32. The most costly form of mastitis is?
Subclinical
Feeding the cow
Solids removal
50 percent

33. Dairy cattle have a ________ field of vision to their front
300 + degree
NAtional Research Council
Two times
Small Intestine

34. If the heat detection rate is 30% and the conception rate is 30% - What is the pregnancy rate?
Abortion
9%
Feed
Two

35. Which of the following is not a commonly usedestrus synchronization program for dairy cattle?
Chine
Flank
100%
Post-synch

36. Dairy Farmers frequently place a stomach magnet into their cows to...
45-55
Milking Shorthorn
Prevent ingested metal objects from interfering with the digestive tract or the respiratory system
Guernsey and Jersey

37. What machine is used to determine if water has been added to milk?
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.
Carbon
Cryoscope
Between 6.0 and 6.5

38. What is a nonfunctional mammary gland called?
In the cell wall
Blind quarter
Attract the opposite sex
Once every 12 months

39. Which one of the following is not classified as a fat‐soluble vitamin?
20 to 24
Sodium
Holstein
Vitamin B

40. The portion of the ruminant digestive system which is known as and functions as the 'true' stomach is the...
Rolling Herd Average
Between 28 to 30 days
4 years
Abomasum

41. One form of biological pest management is a predator insect - that can be bought and released to help control flies at a dairy. Which of these is NOT true about these predators...
They may be bothersome to livestock and other animals
Milking Shorthorn
Dairy character
Percentage of Difficult Births in Heifers

42. What is the classification for a Holstein cow given the numerical value 80-84.9?
Nonprotein nitrogen
A B-Vitamin
Lignin
Good plus

43. If you add sugar to a milk product - you must ______ the minimum pasteurization temperature by _____ degrees F.
Integrated pest management
To add a concentrated form of energy
Holstein
Increase - 5

44. The most common pathogen found in raw milk is...
A negatively charged ion
Cows Milk production this month divided by production last month X 100
Escherichia coli
Mud - water - and manure

45. Where are non-degradable proteins absorbed?
Mastitis
Small Intestine
Fat residue
Blind quarter

46. The portion of the ruminant digestive system which is known as and functions as the 'true' stomach is the...
Clipping and singeing
Abomasum
Prevent ingested metal objects from interfering with the digestive tract or the respiratory system
Food safety and Inspection Service

47. When discussing nutrition - What does NPN stand for?
Once every 12 months
Cation-Anion Difference
Nonprotein nitrogen
% Degradable proteins

48. A Milking herd's TMR should be available to cows how many hours throughout the day?
Oxytocin
20 to 24
Drug residue
Rolling Herd Average

49. Allelomimetic behavior is defined as...
The bottom most part of the tail
18
The tendency for a group of animals to do the same thing at the same time
Between 14 and 35 days

50. Milk with over_____________ somatic cell count cannot legally be shipped in the United States?
750000
Calories
62 to 65% moisture
Zinc