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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.
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.
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. 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__________.
Lignin
Decreases - increases
1957
100%
2. What is another term for the lowest lateral regions of the abdomen - near the groin?
Lignin
Inguinal
24 hours
National Farmers Organization
3. What is intravenous injection?
Administered via blood vessels
2000's
Two weeks prior to calving
Manure handling procedures
4. What numerical value does a Holstein cow get when given the classification good?
300 + degree
Energy
75-79.9
Negative net energy balance
5. When referring to rations - what do the letters NFC stand for?
Escherichia coli
Nitrogen
Poll
Non-forage Carbohydrates
6. A rolling herd average (RHA) is based on how many months?
Jersey
Twelve
12-14 weeks
16-18
7. The rumen of a cow is located...
Left side of the body
You S Animal Health Association
Two times
14 days
8. After a bulk tank is washed and rinsed - beading of water droplets is a sign of _____.
Negative net energy balance
Flank
Fat residue
Follicle stimulating hormone
9. A Babcock test may be used to measure the __________ % of milk.
Fat
The tendency for a group of animals to do the same thing at the same time
Omasum
Parturtion
10. Colostrum has approximately _____ calcium - as does regular milk.
3 years
70%
Two times
European Union
11. A disease causing air bubbles under the skin and usually results in rapid death is __________.
Mycotoxins
Black leg
Prussic acid poisoning
Cheddar cheese
12. A mutation where calves have little or no control over the movement of their legs is called...
Limber leg
Copper sulfate
80
Jersey
13. What is the accepted standard length for a lactation record in dairy cattle?
Cheddar
3.5-4.0
305 days
Limber leg
14. Alfalfa is an example of ___ in a dairy ration.
The cows leave the milkers via an alley wide enough to allow 2 or more cows side by side
10 days
Roughage
Blind quarter
15. NFDM
PGF
Nonfat Dry Milk
Abortion
Negative net energy balance
16. Dry cows need 0.8 percent K in their diet. What element is K?
5-9 years old
Loin and chine
5
Potassium
17. Corn silage stored in sealed upright silos should be ensiled at what moisture?
Subclinical
North American Free Trade Agreement
Holstein
No less than 60% moisture
18. A dairy cow that has her feet too far forward (under her belly) is said to be...
Sodium
In the cell wall
Retained placenta
Sickle hocked
19. What is the reasonable score for body condition at mid-lactation?
14 days
Two
20000000
3.0
20. To maintain margins - you should be monitoring and making decisions based on your herd's IOFC. What do the initials IOFC stand for?
Income over feed costs
To add a concentrated form of energy
The influence of the sire of the cow on calving ease
Clipping and singeing
21. Where are non-degradable proteins absorbed?
Abomasum
Once every 12 months
Food safety and Inspection Service
Small Intestine
22. Brucellosis is also know as...
Limber leg
Bangs
Percentage of Difficult Births in Heifers
Heat detection and conception rates
23. What is the largest cost on most U.S. dairy farms?
Feed
25
Retained placenta
Extremely fat
24. What are two methods for shortening udder hair?
Clipping and singeing
Follicle stimulating hormone
Dished
Body weight
25. A rolling herd average (RHA) is based on how many months?
Prussic acid poisoning
Twelve
Vitamin B
Progesterone
26. The two main problems that effect reproduction are...
16-18
Income over feed costs
Ringworm
Heat detection and conception rates
27. Name the three common places Coliforms are found.
Mud - water - and manure
2.25
Methane
72
28. In what year did the Holstein Association start its program of recording carriers of Undesirable Recessive Traits?
Dairy Comp 305
1957
North American Free Trade Agreement
North American Free Trade Agreement
29. When feeding close-up cows a calcium deficient diet - which gland is simulated?
Parathyroid gland
Jersey
A positively charged ion
Omasum
30. Mule-foot is found most often in ___________dairy breed?
Limber leg
Urea
Holstein
Stainless steel
31. _________ is a compound that is fermented for flavor in buttermilk and sour cream.
Feed
Jersey
Citrate
5
32. What type of mastitis is the easiest to cure?
MyDairy
Streptococus agalactae
Cellulose - hemicellulose - and lignin
5
33. Cows treated with BST typically show an increase in milk production of...
10%
Sodium Bicarbonate
After 55 days
United States Dairy Export Council
34. If a dairy bull has been genetically tested to determine his genomic make-up - this will be indicated on his pedigree by what letters?
50-80%
GTPI
Claw
Vitamin K
35. dairy cow may not reach her highest milk yield until she is...
Abomasum
5-9 years old
1
% Protein
36. What is a TMR to a dairy person?
Disbudding
Total Mixed Ration
Arteries
Carbon Dioxide Gas
37. Milk fever is also (scientifically) known as what?
10 days
Parturient paresis
Corpus Luteum
Duodenum
38. In a sire's proof - daughters' calving ease measures __________________.
Solids removal
Dairy character
The influence of the sire of the cow on calving ease
Mud - water - and manure
39. 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
Abomasum
Solids removal
Milk on Demand
40. The two main problems that effect reproduction are...
Heat detection and conception rates
Poll
9 weeks
Administered under the skin
41. Lactation is unique to _________.
45-55
45-55
Mammals
Flank
42. In cows - salmonellosis infections are most common in those that have calved within __________.
Cheddar cheese
Mule-foot
Cheese
10 days
43. How many chromosomes does the nucleus of each reproductive cell have in dairy cattle?
30
Copper sulfate
Guernsey
Sire conception rate
44. Nutritionists have developed a test to compare one alfalfa sample to another - determining the RFV of each. RFV stands for...
Relative Forage Value
Oxytocin
Front feet toward rear of the cow with head - nose first - between them
Texas Commission on Environmental Quality
45. On the PDCA Unified Dairy Score Card - the category 'dairy strength' accounts for how many points?
The influence of the sire of the cow on calving ease
Udder
25
40/60
46. All U.S. dairy farms are inspected by state inspectors through a program coordinated by the Food and Drug Administration. Inspectors follow a publication called the PMO. What does PMO stand for?
Feed
Pastuerized Milk Ordinance
When it is proven that she will breed
40/60
47. When the environmental temperature falls below 30°F - the normal diet of a young calf should be supplemented with _______________?
Guernsey and Jersey
Two times
Cryoscope
Energy
48. In the reproductive tract of a dairy cow - how many uterine horns are there?
Two
Cryoscope
Corpus Luteum
Foreign Agricultural Service
49. Ways to avoid milk fever in cows
Feed low potassium hay - silage - and anionic salts to dry cows
Heat detection and conception rates
50-80%
20
50. What ration ingredients contain the highest concentration of energy?
Carbon Dioxide Gas
Follicle stimulating hormone
Fats
60 days
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