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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. If the freezing point of a sample of raw milk is above 30 degrees F this indicates...
Duodenum
Escherichia coli
Feeding the cow
High % of water
2. Rumen bacteria enable dairy cattle to utilize which feed supplement?
Brown Swiss
Urea
A minimum of every 6 months
24
3. A ____________gene in Black and White Holsteins is responsible for the red and white color being expressed at times...
Recessive
Streptococus agalactae
5
85
4. What is the accepted standard length for a lactation record in dairy cattle?
Farm Service Agency
Stainless steel
2000's
305 days
5. In a cow - where would you find the alveolus?
Prevent ingested metal objects from interfering with the digestive tract or the respiratory system
Abortion
Abomasum
Udder
6. What is the most essential nutrient in animal feeding animals and maintaining health?
Water
High % of water
Heat detection and conception rates
14 days
7. What mineral is necessary for hemoglobin formation?
Copper
Lignin
Feeding the cow
Silage
8. When feeding close-up cows a calcium deficient diet - which gland is simulated?
20
Vitamin B
Parathyroid gland
Between 28 to 30 days
9. A cow's gestation period is _______ long?
Cystic
282 days
Laminitis
Texas Commission on Environmental Quality
10. NRC
Registered Holstein Ancestry
Two weeks prior to calving
NAtional Research Council
Jersey
11. What describes the fraction of the ration proteins - which is broken down by digestive enzymes and utilized by rumen bacteria?
% Degradable proteins
GTPI
National Milk Producers Federation
80
12. FSIS
Plant starch - pectin - and sugar
Food safety and Inspection Service
Between 6.0 and 6.5
NAtional Research Council
13. Which cows have higher protein requirements?
High-producing pregnant cows
Mycobacterium bovis
Carbon
A positively charged ion
14. In a sire's proof - daughters' calving ease measures __________________.
The influence of the sire of the cow on calving ease
Intravenous injection of calcium gluconate
Cheese
Udder
15. Dairy cattle where first successfully cloned in the_______________.
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16. A dairyman may milk in a rapid exit barn. This simply means that...
The cows leave the milkers via an alley wide enough to allow 2 or more cows side by side
Lactation records have been adjusted to the same milk fat percentage
A negatively charged ion
Registered Holstein Ancestry
17. Colostrum given to a baby calf more than ____________hours old is NOT absorbed and thus does little good.
24
The initiation of milk secretion
Guernsey and Jersey
In the cell wall
18. The portion of the milker unit that first receives the milk as it is withdrawn from the cow is the...
1
They may be bothersome to livestock and other animals
Calcium
Claw
19. Dry cows need 0.8 percent K in their diet. What element is K?
Potassium
100%
Twelve
Animal Improvement Program Lab
20. What is the name of the term for a farm's unique identification number that is part of the National Animal Identification System?
5-9 years old
50 percent
Premis ID
General Agreement on Tariff and Trade
21. The number one reason for culling in U.S. dairy herds is...
50-80%
Reproductive failure
Allowing them access to their new born calf for the 1st 30 days
To add a concentrated form of energy
22. At how many days can pregnancy be detected by palpation?
70% moisture
Prussic acid poisoning
Negative net energy balance
Between 14 and 35 days
23. Adequate consumption of long fiber roughage is important to both milk production and herd heath. A long fiber roughage is one that is...
Between 28 to 30 days
Longer than 1.5 inches
Solids removal
20-30%
24. Dairy cattle frequently develop milk fever shortly after calving. They become immobile - comatose - and may die without treatment. The treatment typically involves...
60
Texas Commission on Environmental Quality
Intravenous injection of calcium gluconate
Follicle stimulating hormone
25. %DBH
Collecting the methane gas being produced and using it as an energy source on the dairy
Percentage of Difficult Births in Heifers
Methane
30
26. When discussing lactation records - What does the term 'fat corrected milk' mean?
5000000
Lactation records have been adjusted to the same milk fat percentage
45-55
305 days
27. What is another term for the lowest lateral regions of the abdomen - near the groin?
Mastitis
Copper
Inguinal
Fat
28. What numerical value does a Holstein cow get when given the classification good?
75-79.9
Dairy character
Dairy Farmers of America (DFA)
Increase - 5
29. After insemination - how long do sperm live in the cow's reproductive tract?
Extremely fat
2000's
24 hours
Guernsey and Jersey
30. Cow comfort has been linked to milk production in numerous research studies. Not an example of a way to improve cow comfort used by dairymen?
You S Animal Health Association
Allowing them access to their new born calf for the 1st 30 days
Longer than 1.5 inches
Prevent ingested metal objects from interfering with the digestive tract or the respiratory system
31. According to recent USDA surveys - What is the most popular age to wean dairy calves?
A national dairy farmer-funded program that is used to help stabilize milk prices
Milk fever
9 weeks
Feed
32. At how many days can pregnancy be detected by palpation?
Niacin
Between 14 and 35 days
Nonfat Dry Milk
Roughage
33. In order to prevent bloat - the feed additive Poloxalene is often added to feed rations for cows that are grazing. Which of the following grazed forages are most likely to cause bloat?
Predicted Transmitting Ability-Type
Manure handling procedures
100%
Alfalfa and Clover
34. Which reproductive condition results when the fetal membranes remain within the uterus for an extended period following parturition?
Retained placenta
Inguinal
Mixer box on a truck or trailer
Udder
35. Dairy cows produce milk that is relatively high in B complex vitamins. Because they are ruminants...
The bacteria Escherichia Coli
Bangs
Mycobacterium Paratuberculosis
It is not necessary to supplement the intake of Vitamin B complex
36. Which purebred dairy breed association introduced a 'dairy price stabilization' program in 2009?
Mycobacterium bovis
Bone calcium
Holstein
10 days
37. How much water can a lactating cow consume in one day?
25 gallons
Mixer box on a truck or trailer
Cheddar cheese
60 days
38. The medical name tarsal hygroma - a commonaliment of dairy cows is commonly called...
10%
Swollen hock
Twice/day
Rolling Herd Average
39. Which dairy breed has a restriction for disallowing black markings?
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.
Sodium
The weaving gait of affected cattle
Milking Shorthorn
40. When referring to milk test used at the processing plant - What is a DMC?
Food safety and Inspection Service
Mammals
Transponders
Direct Microscopic Counts
41. Many dairymen 'dock' the tail on their cows much to the chagrin of Animals Rights groups. They believe This is necessary to...
When it is proven that she will breed
Vitamin B
Reduce the incidence of mastitis
Jersey
42. The _____________is the device responsible for regulating both the vacuum level and the proportion of the vacuum for the front and rear quarters
Pulsator
A B-Vitamin
5
National Farmers Organization
43. 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?
Corpus Luteum
Feed
Pastuerized Milk Ordinance
Intravenous injection of calcium gluconate
44. Manure digesters convert _______________ fuel into electricity.
Sole
Inguinal
Methane
Relative Forage Value
45. All milking equipment must be sanitized...
Cows Milk production this month divided by production last month X 100
Digital Dermatitis
Abomasum
After each use
46. Which body part is located more towards the front of the animal?
Flank
Percentage of Difficult Births in Heifers
Body weight
60 days
47. Texas dairies normally must be permitted by the ___________before they begin operations.
Bangs
Pasteurizing system
1957
Texas Commission on Environmental Quality
48. If a dairy bull has been genetically tested to determine his genomic make-up - this will be indicated on his pedigree by what letters?
Poor
85
GTPI
Mastitis
49. Generally - high-producing Holsteins eat ___________ pounds of dry matter per day?
45-55
60 days
Nitrogen
87%
50. About 90% of U.S. dairies use a __________ milking schedule.
It is not necessary to supplement the intake of Vitamin B complex
Fat
Twice/day
Zinc