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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. When discussing feed mixers - What is the range of manufacturers recommmended mixing times?
Lactation records have been adjusted to the same milk fat percentage
North American Free Trade Agreement
3-6 minutes
Registered Holstein Ancestry
2. GnRH
% Protein
Guernsey
Gonadotropin Releasing Hormone
Jersey
3. Foot Rot is scientifically known as what?
Extremely fat
9%
Feed
Interdigital phlegmon
4. The hormone ______________ stimulates milk let down and may be administered via injection - when necessary after parturition.
Direct Microscopic Counts
Lignin
Oxytocin
Displaced abomasum
5. If the heat detection rate is 30% and the conception rate is 30% - What is the pregnancy rate?
70%
Milk on Demand
Rear feet and legs
9%
6. 'Thurl position' is a trait evaluated in the ________ category on the PDCA Unified Scorecard?
Rear feet and legs
62 to 65% moisture
After 55 days
Udder - feet and legs - body form - & dairy character
7. What trait with the only positive genetic correlation to milk production?
Preparing cows properly
Omasum
Dairy character
18
8. What bacterium causes cattle tuberculosis (TB)?
35 to 40%
Digestive
Mycobacterium bovis
Brucellosis
9. Brucellosis is also know as...
Bangs
Cheese
A B-Vitamin
Brown Swiss
10. What combines the Predicted Transmitting Ability for protein - fat - type and udder composite index and ranks the animal on its ability to transmit a balance of these four traits
Total Production Index
Milk on Demand
Between 28 to 30 days
International Dairy Foods Associactions
11. A material used in a footbath for cows with foot rot problems is...
Copper sulfate
Vitamin A
Extremely fat
Escherichia coli
12. The portion of the milker unit that first receives the milk as it is withdrawn from the cow is the...
Claw
.39%
Alfalfa and Clover
Guernsey and Jersey
13. What is the average production lifetime of a dairy cow?
Rolling Herd Average
XY
The abomasums of a milk fed calf
3 years
14. A disease transmitted through natural mating which causes abortion - low conception rates - and irregular heat cycles is _____________________.
Rumen and reticulum
When it is proven that she will breed
Modified Live Virus
Vibriosis
15. Heritability for milk production in dairy cattle is...
Plate chiller
Body weight
90-100
30%
16. Which of the following is not a commonly usedestrus synchronization program for dairy cattle?
Restraint and control of the animal
Retained placenta
Post-synch
75-79.9
17. According to recent USDA surveys - What is the most popular age to wean dairy calves?
Twice/day
Chine
90-100
9 weeks
18. Milk with over_____________ somatic cell count cannot legally be shipped in the United States?
750000
Gonadotropin Releasing Hormone
Duodenum
Neutral Detergent Fiber
19. 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?
Esophageal groove
International Dairy Foods Associactions
Alfalfa and Clover
North American Free Trade Agreement
20. As a rule of thumb when milk production ________ - the milk fat content _______
Lignin
During the first pregnancy
Decreases - increases
Stainless steel
21. IPM
25
Integrated pest management
Mycobacterium Paratuberculosis
70%
22. Dairy cows need roughage to concentrate ratio of approximately ______________ to maintain the desired fat content in the milk.
40/60
The bacteria Escherichia Coli
High-producing pregnant cows
60
23. Cows produce pheromones which...
25 gallons
Increase - 5
Jersey
Attract the opposite sex
24. Rumen bacteria enable dairy cattle to utilize which feed supplement?
Non-forage Carbohydrates
Citrate
Urea
Loin and chine
25. The portion of the ruminant digestive system which consists of many folds of tissue is the...
Omasum
Total Digestible Nutrients
Abomasum
Alfalfa and Clover
26. Blood vessels that transport blood away from the heart are called...
4 years
1
Arteries
Mycobacterium Paratuberculosis
27. What is intra musclular injection?
80
Administered in the muscle
Oxytocin
Abomasum
28. Heart girth measurements of cows may be used to estimate...
Large intestines
60 days
Body weight
1
29. A mutation where calves have little or no control over the movement of their legs is called...
Limber leg
Milking Shorthorn
3-6 minutes
Water
30. How many chromosomes does the nucleus of each reproductive cell have in dairy cattle?
30
Four or more times
Nonstructural Carbohydrates
Poll
31. In a sire's proof - daughters' calving ease measures __________________.
The influence of the sire of the cow on calving ease
% Degradable proteins
30%
Nitrogen
32. Which of the following is the most popular type of cheese in the United States?
Intravenous injection of calcium gluconate
Cheddar
Guernsey
Relative Forage Value
33. FSIS
Milking Shorthorn
Food safety and Inspection Service
Modified Live Virus
Hardware disease
34. When is the best time to feed anionic salts to dairy cows?
Two weeks prior to calving
Left side of the body
10 days
Escherichia coli
35. Which dairy breed has a restriction for disallowing black markings?
3.5-4.0
International Dairy Foods Associactions
Between 28 to 30 days
Milking Shorthorn
36. What manure waste management method runs manure across a press and squeezes the water out?
Fats
Solids removal
Left side of the body
Udder
37. What is the sex chromosome configuration of a male calf?
Carbon Dioxide Gas
Progesterone
62 to 65% moisture
XY
38. The breed of dairy cattle that can be roan - all red - all white - or even spotted red and white is...
Carbon
Milking Shorthorn
24 hours
Gonadotropin Releasing Hormone
39. The _____________is the device responsible for regulating both the vacuum level and the proportion of the vacuum for the front and rear quarters
5
Pulsator
Cation-Anion Difference
Roughage
40. Colostrum given to a baby calf more than ____________hours old is NOT absorbed and thus does little good.
In the cell wall
24
70% moisture
Intravenous injection of calcium gluconate
41. Colostrum has approximately _____ calcium - as does regular milk.
Two times
750000
20 to 24
9 weeks
42. FAS
8.62 pounds
You S Animal Health Association
Urea
Foreign Agricultural Service
43. On average - how many weekd after freshening does a cow's dry matter intake peak?
Feed low potassium hay - silage - and anionic salts to dry cows
12-14 weeks
Mud - water - and manure
Mastitis
44. Dairy heifers need to bred at ________ of age assuming they are at least 65% of their adult weight at that time.
15 months
Copper
The weaving gait of affected cattle
To add a concentrated form of energy
45. The medical name tarsal hygroma - a commonaliment of dairy cows is commonly called...
Pulsator
Swollen hock
Holstein
Heifer
46. This bacteria causes 'Circling Disease' in cattle...
Vitamin A
Concentrated Animal Feeding Operation
Listeria
10
47. What do nonstructural carbohydrates consist of?
Small Intestine
NAtional Research Council
Plant starch - pectin - and sugar
Mycobacterium Paratuberculosis
48. What hormone is responsible for maintaining pregnancy?
Progesterone
50 percent
Udder
Jersey
49. Dry cows need 0.8 percent K in their diet. What element is K?
87%
Sodium Bicarbonate
5-9 years old
Potassium
50. Almost 95% of the dairy cows in the U.S. are...
Progesterone
Streptococus agalactae
Magnesium
Holstein