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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. Why is fat added to dairy rations?
Water
To add a concentrated form of energy
Rump
Interdigital phlegmon
2. Cattle grazing stressed on wilted hybrid sorghum/Johnson grass type pasture - may die as a result of ________________.
Black leg
72
Prussic acid poisoning
Potassium
3. Which dairy breed has a restriction for disallowing black markings?
Oxytocin
A national dairy farmer-funded program that is used to help stabilize milk prices
NAtional Research Council
Milking Shorthorn
4. After insemination - how long do sperm live in the cow's reproductive tract?
Feed low potassium hay - silage - and anionic salts to dry cows
Increase - 5
Mule-foot
24 hours
5. Which purebred dairy breed association introduced a 'dairy price stabilization' program in 2009?
20 to 24
Holstein
Feeding the cow
Potassium
6. What bacterium causes Johne's disease in cattle?
Claw
Corpus Luteum
Mycobacterium Paratuberculosis
Foreign Agricultural Service
7. How often will HACCP inspect each Dairy Farm?
Lactose intolerance
Udder - feet and legs - body form - & dairy character
Jersey
A minimum of every 6 months
8. The rear quarters produce __________% of the daily milk yield.
60
Water
40 degrees F
Udder
9. 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?
60
Carbon Dioxide Gas
Alfalfa and Clover
300 + degree
10. Body condition scores form 1 to 5 are used to track herd health and nutrition. Dry cows should have a body score from...
3.5-4.0
4 years
Epinephrine
Laminitis
11. A ____________ is usually necessary when feeding Dairy Cows TMR rations.
Mixer box on a truck or trailer
Digital Dermatitis
10 days
Propionic acid
12. What machine is used to determine if water has been added to milk?
Fats
Allowing them access to their new born calf for the 1st 30 days
Cryoscope
GTPI
13. 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
50
Potassium
Between 14 and 35 days
14. What female hormone causes follicles to begin to develop?
Follicle stimulating hormone
Very good
Abomasum
70% moisture
15. Which of the following diseases is not caused by a virus?
Laminitis
Neutral Detergent Fiber
Guernsey
In the cell wall
16. If the freezing point of a sample of raw milk is above 30 degrees F this indicates...
High % of water
Feeding the cow
Water
30 hours
17. One ejaculation from a bull typically contains _________________ sperm
Percentage of Difficult Births in Heifers
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.
5000000
Cation-Anion Difference
18. What is a common name for infectious kerato conjunctivitis?
Relative Forage Value
High-producing pregnant cows
Left side of the body
Pink eye
19. How many days after breeding can a pregnancy be detected by ultrasound?
Laminitis
Mule-foot
Cheese
Between 28 to 30 days
20. When sanitizing milking equipment with water - the temperature must be a minimum of 170 degrees F and the utensils are to be under the flow of water for ____________ minute(s).
Cation-Anion Difference
24
5
Total Digestible Nutrients
21. The medical name tarsal hygroma - a commonaliment of dairy cows is commonly called...
Swollen hock
Twice/day
During the first pregnancy
.39%
22. HTST is a ______________
Pasteurizing system
General Agreement on Tariff and Trade
Drug residue
Administered via blood vessels
23. Which of the following is the most popular type of cheese in the United States?
Esophageal groove
Cheddar
Drug residue
24
24. Which of the following is an infectious disease?
25 gallons
Ringworm
300 + degree
Negative net energy balance
25. Milk with over_____________ somatic cell count cannot legally be shipped in the United States?
Niacin
Calories
750000
A positively charged ion
26. Producers using BST must give their cows an injection of it every...
Swollen hock
87%
They may be bothersome to livestock and other animals
14 days
27. One form of biological pest management is a predator insect - that can be bought and released to help control flies at a dairy. Which of these is NOT true about these predators...
A positively charged ion
Hormones
They may be bothersome to livestock and other animals
Mycotoxins
28. What describes the fraction of the ration proteins - which is broken down by digestive enzymes and utilized by rumen bacteria?
% Degradable proteins
Enteritis
1
A national dairy farmer-funded program that is used to help stabilize milk prices
29. When sanitizing milking equipment with water - the temperature must be a minimum of 170 degrees F and the utensils are to be under the flow of water for ____________ minute(s).
Prussic acid poisoning
5
Beta-carotene
Cheddar cheese
30. If a dairy bull has been genetically tested to determine his genomic make-up - this will be indicated on his pedigree by what letters?
GTPI
30%
Digestive
6 hours
31. Milk traits - i.e. fat - protein - SNF and etc. - tend to have a heritability of about...
Nonstructural Carbohydrates
Large intestines
24 hours
20-30%
32. FAS
Foreign Agricultural Service
Poll
Total Digestible Nutrients
Feed low potassium hay - silage - and anionic salts to dry cows
33. Rumen bacteria enable dairy cattle to utilize which feed supplement?
Nonfat Dry Milk
50 percent
Enteritis
Urea
34. %DBH
Premis ID
Poor
Percentage of Difficult Births in Heifers
Sire conception rate
35. What is the approximate time of ovulation in cattle after the beginning of heat?
Guernsey and Jersey
30 hours
80
Mycobacterium Paratuberculosis
36. What is the accepted standard length for a lactation record in dairy cattle?
Parallels out performed herringbones by nearly 8%
Decreases - increases
Clipping and singeing
305 days
37. This bacteria causes 'Circling Disease' in cattle...
Listeria
Symbiotic
Streptococus agalactae
Vitamin A
38. Where are structural carbohydrates found in the plant?
Total Mixed Ration
A negatively charged ion
Brown Swiss
In the cell wall
39. In regards to pedigrees - What is a RHA?
Between 14 and 35 days
Mammals
Registered Holstein Ancestry
14 days
40. Many dairies place bands on their cows necks or feet - with black boxes containing electronic I.D. - production - management information. These units are called...
Vitamin B
During the first pregnancy
300 + degree
Transponders
41. What bacterium causes cattle tuberculosis (TB)?
Vibriosis
Plant starch - pectin - and sugar
Mycobacterium bovis
Chine
42. When comparing bulls for artificial insemination - What does 'SCR' stand for?
Sire conception rate
Guernsey
Increase - 5
Udder
43. The hormone BST is given to dairy cows...
Feed
Reproductive failure
A positively charged ion
After 200 days of lactation
44. Parallel milk barns typically have several cows on each side. The cows are arranged in a ____________ fashion in this barn.
Corpus Luteum
Feeding the cow
Enteritis
Side by side (head out)
45. The portion of the ruminant digestive system which is known as and functions as the 'true' stomach is the...
Rolling Herd Average
Abomasum
Nitrogen
Esophageal groove
46. What ration ingredients contain the highest concentration of energy?
In the cell wall
Magnesium
Fats
Udder
47. 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
Manure handling procedures
Twice/day
Mule-foot
48. What are the two types of ovarian cysts?
Follicular and luteal
Preparing cows properly
Holstein
Lignin
49. What machine is used to determine if water has been added to milk?
Copper sulfate
5
Cryoscope
Feeding the cow
50. At what isoelectric point (point at which proteins have net zero charge) do caseins precipitate?
A positively charged ion
Cation-Anion Difference
Udder - feet and legs - body form - & dairy character
PH 4.6