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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 days after breeding can a pregnancy be detected by ultrasound?
Mud - water - and manure
Between 28 to 30 days
Farm Service Agency
Heifer
2. What does the term freshen mean in relation the dairy production?
Fats
Drug residue
To give birth
After each use
3. What structural carbohydrate component makes older plants less digestible than younger plants?
Twelve
Plate chiller
Lignin
Ringworm
4. What trait with the only positive genetic correlation to milk production?
Dairy character
Digestive
75-79.9
Lignin
5. Dry cows need 0.8 percent K in their diet. What element is K?
Parallels out performed herringbones by nearly 8%
Potassium
25-30
Milking Shorthorn
6. The Global Dairy Agenda for Action is a pledge to reduce _______ emissions in an attempt to address global warming?
A minimum of every 6 months
750000
Basic Formula Price
Carbon
7. After a bulk tank is washed and rinsed - beading of water droplets is a sign of _____.
Fat residue
Copper sulfate
Milk on Demand
Poor
8. NFO
General Agreement on Tariff and Trade
Oxytocin
Mammals
National Farmers Organization
9. 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?
Allowing them access to their new born calf for the 1st 30 days
Composting
16-18
Rump
10. Milk let down in a dairy cow may be stimulated by...
Carbon Dioxide Gas
Potassium
Jersey
Feeding the cow
11. What are structural carbohydrates made of?
Magnesium
Cellulose - hemicellulose - and lignin
18
Side by side (head out)
12. The two U.S. dairy breeds that originated in the Channel Islands off the coast of France are...
Relative Forage Value
Laminitis
Guernsey and Jersey
20
13. Rotary Parlors or Carousel milk barns have the advantage of being ________________ when compared to other type barns.
Prevent ingested metal objects from interfering with the digestive tract or the respiratory system
4 years
% Protein
Faster
14. What describes the fraction of the ration proteins - which is broken down by digestive enzymes and utilized by rumen bacteria?
Carbon Dioxide Gas
Commodity Credit Corporation
Blind quarter
% Degradable proteins
15. Research has shown that by formulating lactating cow rations with proper amounts of certain amino acids - we can decrease the crude protein content of the ration and reduce _______________________?
Front feet toward rear of the cow with head - nose first - between them
Oxytocin
Nitrogen excretion
Front feet toward rear of the cow with head - nose first - between them
16. Which one of the following is NOT classified as a water soluble-vitamin?
Direct Microscopic Counts
NAtional Research Council
Vitamin A
Pulsator
17. Coccidia infection can occur when calves are 4 to 8 weeks old. Coccidia causes...
Small intestine
Enteritis
Vitamin A
Mycobacterium Paratuberculosis
18. What percent of dry matter in plants is made of carbohydrates?
Nitrogen excretion
75%
Nonfat Dry Milk
They may be bothersome to livestock and other animals
19. What is the name of the term for a farm's unique identification number that is part of the National Animal Identification System?
Water
Dairy Farmers of America (DFA)
Udder
Premis ID
20. Research has shown that by formulating lactating cow rations with proper amounts of certain amino acids - we can decrease the crude protein content of the ration and reduce _______________________?
Nitrogen excretion
Reduce the incidence of mastitis
PH 4.6
75-79.9
21. Fumonsin and zearalenone are examples of...
Mycotoxins
10
Back flushing
Symbiotic
22. What percent of crude protein should a calf starter be?
Claw
Cation-Anion Difference
Abomasum
16-18
23. How many das into a pregnancy can a fetus be sexed by ultrasound?
Holstein
25%
Between 6.0 and 6.5
After 55 days
24. Which one of the following is the name of the part of the cow's back that lies between the withers and the loin?
Chine
The influence of the sire of the cow on calving ease
Two times
Mycotoxins
25. Milk sugars are not very soluble. Some people have difficulty hydrolyzing them in their bodies. This problem is called _________________.
Lactose intolerance
Heat detection and conception rates
Cheddar
Citrate
26. If a dairy bull has been genetically tested to determine his genomic make-up - this will be indicated on his pedigree by what letters?
1
After each use
GTPI
Preparing cows properly
27. Dairy Farmers frequently place a stomach magnet into their cows to...
The bottom most part of the tail
National Milk Producers Federation
Extremely fat
Prevent ingested metal objects from interfering with the digestive tract or the respiratory system
28. In cows - salmonellosis infections are most common in those that have calved within __________.
During the first pregnancy
Attract the opposite sex
Registered Holstein Ancestry
10 days
29. The dairy breed which produces the highest volume of milk is the...
Holstein
A B-Vitamin
Reproductive failure
North American Free Trade Agreement
30. HTST is a ______________
Pasteurizing system
Subclinical
90-100
Symbiotic
31. Which of the compartments of a cow's four-compartment stomach acts as the true stomach?
Nonfat Dry Milk
50
Parturtion
Abomasum
32. A dairy cow that has her feet too far forward (under her belly) is said to be...
750000
Sickle hocked
Feed
Recessive
33. Milk should be below what temperature before it is transferred to a milk truck?
20000000
40 degrees F
Neutral Detergent Fiber
National Farmers Organization
34. Dairy rations - especially those for high producing cows - may be buffered to maintain a desirable rumen pH. The most common buffering agent for this is...
Sodium Bicarbonate
Abortion
A B-Vitamin
Nitrogen
35. Rotary Parlors or Carousel milk barns have the advantage of being ________________ when compared to other type barns.
Once every 12 months
40 gallons
Solids removal
Faster
36. When a cow comes into heat every few days - she is referred to as?
Cystic
70%
Sire conception rate
9 weeks
37. When referring to milk test used at the processing plant - What is a DMC?
Food Animal Residue Avoidance Databank
40/60
Direct Microscopic Counts
Abomasum
38. What is the largest cost on most U.S. dairy farms?
Dished
Feed
Propionic acid
Once every 12 months
39. Dairy heifers need to bred at ________ of age assuming they are at least 65% of their adult weight at that time.
15 months
Poor
Holstein
International Dairy Foods Associactions
40. IPM
Integrated pest management
Gonadotropin Releasing Hormone
It is not necessary to supplement the intake of Vitamin B complex
Side by side (head out)
41. The rear quarters produce __________% of the daily milk yield.
18
After 200 days of lactation
60
It is not necessary to supplement the intake of Vitamin B complex
42. Which dairy breed has a restriction for disallowing black markings?
Arteries
Alfalfa and Clover
Milking Shorthorn
United States Dairy Export Council
43. PTAT
30 hours
Laminitis
PGF
Predicted Transmitting Ability-Type
44. Neospora caninum is a major cause of what in pregnant cows?
Abortion
Water
Calcium
Net Energy
45. What is the approximate time of ovulation in cattle after the beginning of heat?
National Farmers Organization
30 hours
Rump
60 days
46. What percent of milk is water?
Between 28 to 30 days
87%
40 gallons
Abomasum
47. Bulk tanks must be emptied and cleaned every _____ hours.
72
Nonprotein nitrogen
Modified Live Virus
14 days
48. What hormone is responsible for maintaining pregnancy?
Progesterone
Large Plastic Bags
50-70
Hardware disease
49. What is Milk Fever paresis caused by?
Rumen
Low blood levvels of ionized calcium
Prussic acid poisoning
Calories
50. 98% of somatic cells are...
Composting
Vitamin A
Leukocytes
High-producing pregnant cows