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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. How many chromosomes does the nucleus of each reproductive cell have in dairy cattle?
Twice/day
30
Relative Forage Value
6 hours
2. Which one of the following is NOT classified as a water soluble-vitamin?
Cheddar
Bovine Viral Diarrhea
Recessive
Vitamin A
3. Abortion in the last trimester of pregnancy is often caused by_______________.
Drug residue
90-100
Plant starch - pectin - and sugar
Brucellosis
4. NRC
NAtional Research Council
Cheddar
Nonprotein nitrogen
10%
5. A perfect score for a cow according to the Dairy Cow Unified Score Card is...
25%
100
Sire conception rate
To add a concentrated form of energy
6. What is a cation?
Total Digestible Nutrients
Dished
A positively charged ion
European Union
7. How much more energy do fats contain per unit the carbohydrates and proteins?
9%
NAtional Research Council
2.25
Sterile heifer born twin to a bull
8. Coccidia infection can occur when calves are 4 to 8 weeks old. Coccidia causes...
Subclinical
Enteritis
Stainless steel
400‐500 gallons
9. All milking equipment must be sanitized...
3.0
After each use
The influence of the sire of the cow on calving ease
Roughage
10. A Milking herd's TMR should be available to cows how many hours throughout the day?
1957
Inguinal
Calories
20 to 24
11. When referring to milk test used at the processing plant - What is a DMC?
Nonprotein nitrogen
Good plus
Carbon
Direct Microscopic Counts
12. What is a TMR to a dairy person?
20000000
Texas Commission on Environmental Quality
Once every 12 months
Total Mixed Ration
13. What percent of the cows feed intake is consumed during the daylight hours?
90-100
70%
100%
Citrate
14. Feeding bulky feeds during the dry period and gradually bringing fresh cows back on grain are ways to prevent...
Lignin
Rump
Back flushing
Displaced abomasum
15. Which dairy breed originated in the central part of the European continent?
Brown Swiss
Left side of the body
Mycobacterium bovis
Mycobacterium Paratuberculosis
16. ___________ represents the largest daily input cost in producing milk.
Digestive
Administered in the muscle
70% moisture
Feed
17. The standard length of the dry period in dairy cattle is ________?
Lactation records have been adjusted to the same milk fat percentage
Udder
60 days
Duodenum
18. Many dairy bulls have their nose pierced with a ring in it. This allows for...
75%
85
Total Digestible Nutrients
Restraint and control of the animal
19. Mule-foot is found most often in ___________dairy breed?
Attract the opposite sex
The bacteria Escherichia Coli
Holstein
75-79.9
20. What type of mastitis is the easiest to cure?
16-18
9%
A minimum of every 6 months
Streptococus agalactae
21. Cows produce pheromones which...
Attract the opposite sex
Nonprotein nitrogen
90-100
15 months
22. After a bulk tank is washed and rinsed - beading of water droplets is a sign of _____.
Epinephrine
Fat residue
Enteritis
Manure handling procedures
23. One ejaculation from a bull typically contains _________________ sperm
5000000
It has a lower vacuum requirement
High % of water
Fat residue
24. Fermented forage plants relates to...
Brown Swiss
Milking Shorthorn
Roughage
Silage
25. What are the four composite indexes calculated by the Holstein Association?
Udder - feet and legs - body form - & dairy character
Abomasum
To give birth
Roughage
26. According to the NRC - what percent calcium should a dry cow ration contain?
A minimum of every 6 months
Udder
.39%
Rumen
27. The rumen of a cow is located...
Rumen
Premis ID
The abomasums of a milk fed calf
Left side of the body
28. In cows - salmonellosis infections are most common in those that have calved within __________.
10 days
Ringworm
Guernsey and Jersey
Longer than 1.5 inches
29. When discussing nutrition - What does NPN stand for?
Alfalfa and Clover
Nonprotein nitrogen
5
Nitrogen excretion
30. Which major dairy breed association was the first to use computers to maintain breed registry records?
Cryoscope
Guernsey
60 days
The bottom most part of the tail
31. Milk should be below what temperature before it is transferred to a milk truck?
50 percent
Small intestine
Longer than 1.5 inches
40 degrees F
32. The circulatory system of a dairy cow is very important to milk production. A dairy cow must circulate about _________ of blood for each pound of milk produced.
400 pounds
40 gallons
5
Between 6.0 and 6.5
33. Brucellosis is also know as...
Feeding the cow
Ringworm
Bangs
Very good
34. IDFA
GTPI
Plant starch - pectin - and sugar
International Dairy Foods Associactions
3.5-4.0
35. Which dairy breed originated in the central part of the European continent?
Listeria
Prevent ingested metal objects from interfering with the digestive tract or the respiratory system
High-producing pregnant cows
Brown Swiss
36. Which system of the cow's body is most affected by paratuberculosis?
Digestive
Neutral Detergent Fiber
Collecting the methane gas being produced and using it as an energy source on the dairy
Nonstructural Carbohydrates
37. Fear can disrupt milk letdown in a cow. The hormone released that causes this disruption is...
Cheese
Carbon Dioxide Gas
30
Epinephrine
38. What machine is used to determine if water has been added to milk?
Mixer box on a truck or trailer
Income over feed costs
Plate chiller
Cryoscope
39. Dairy Management Inc. introduced the _______ social media program for dairy advocates?
MyDairy
16-18
Oxytocin
12-14 weeks
40. Heritability for milk production in dairy cattle is...
The influence of the sire of the cow on calving ease
Hormones
Oxytocin
30%
41. A ____________gene in Black and White Holsteins is responsible for the red and white color being expressed at times...
10 days
Omasum
Reproductive failure
Recessive
42. Neospora caninum is a major cause of what in pregnant cows?
Intravenous injection of calcium gluconate
Methane
Chine
Abortion
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.
Ringworm
Cystic
Plate chiller
Good plus
44. Corn silage stored in sealed upright silos should be ensiled at what moisture?
Bangs
Mycotoxins
No less than 60% moisture
Modified Live Virus
45. Bovine Progressive Degenerative Myeloencephalopathy (BPDME) is better known as Weaver Syndrome because of...
Vibriosis
Faster
Milking Shorthorn
The weaving gait of affected cattle
46. ___________ represents the largest daily input cost in producing milk.
Small Intestine
Interdigital phlegmon
Feed
72
47. The two main problems that effect reproduction are...
Heat detection and conception rates
Administered via blood vessels
Lignin
Faster
48. What numerical value does a Holstein cow get when given the classification good?
Body weight
75-79.9
30
Cheddar
49. The number one reason for culling in U.S. dairy herds is...
MyDairy
Reproductive failure
40/60
Corpus Luteum
50. A cow's gestation period is _______ long?
282 days
The initiation of milk secretion
Animal Improvement Program Lab
Listeria