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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. Jersey cattle are characterized by having a ______________ face...
50 percent
Nonprotein nitrogen
12-14 weeks
Dished
2. When using sexed semen - conception rates are _________ percent of the conception rates achieved when using unsexed semen under the same conditions?
Beta-carotene
Holstein
Total Production Index
50-80%
3. The medical name tarsal hygroma - a commonaliment of dairy cows is commonly called...
Bone calcium
Two times
Swollen hock
Concentrated Animal Feeding Operation
4. How many grams of lactose are in an 8 oz. glass of milk?
20 to 24
282 days
20
10
5. The breed of dairy cow generally credited with producing the highest % of both milk fat and protein is the...
Jersey
Fat
Niacin
Interdigital phlegmon
6. What is a TMR to a dairy person?
Decreases - increases
Total Mixed Ration
High-producing pregnant cows
Streptococus agalactae
7. The portion of the ruminant digestive system which is known as and functions as the 'true' stomach is the...
Post-synch
Brown Swiss
Very good
Abomasum
8. 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
Parallels out performed herringbones by nearly 8%
Animal Improvement Program Lab
100%
9. How many grams of lactose are in an 8 oz. glass of milk?
Left side of the body
10
Holstein
Between 6.0 and 6.5
10. What is the classification for a Holstein cow given the numerical value of less than 70?
Abomasum
Potassium
Poor
Alfalfa and Clover
11. The hormone BST is given to dairy cows...
Enteritis
Hormones
3.5-4.0
After 200 days of lactation
12. What is the scientific term for birth?
Small intestine
Parturtion
Urea
5000000
13. %DBH
Rump
Percentage of Difficult Births in Heifers
18
Loin and chine
14. What is subcutaneous injection?
Small intestine
Vitamin K
Guernsey and Jersey
Administered under the skin
15. If there are large numbers of flies around the dairy barn - what should be the first thing to be examined in an attempt to solve the fly problem?
6 hours
Manure handling procedures
Mycobacterium bovis
PH 4.6
16. When feeding close-up cows a calcium deficient diet - which gland is simulated?
Parathyroid gland
Dairy Farmers of America (DFA)
Cystic
Vitamin A
17. Which major dairy breed association was the first to use computers to maintain breed registry records?
Guernsey
Texas Commission on Environmental Quality
A B-Vitamin
45-55
18. What hormone is responsible for maintaining pregnancy?
Symbiotic
24
Progesterone
20
19. USAHA
You S Animal Health Association
Mastitis
Four or more times
Percentage of Difficult Births in Heifers
20. What is the largest cost on most U.S. dairy farms?
30%
Holstein
During the first pregnancy
Feed
21. In dairy cows - What is the name of the disease caused by the organisms Staph Aureus - Strep Uberis - and Klebsiella?
Collecting the methane gas being produced and using it as an energy source on the dairy
Mastitis
Udder
25%
22. The typical lactation curve shows a dairy cow reaching her peak production about ________days into the lactation cycle.
50-70
A positively charged ion
Silage
Bovine Somatotropin
23. Endocrinology is the science dealing with _______________.
The bottom most part of the tail
Omasum
Hormones
90-100
24. The major advantage of a 'low-line' milk line as compared to the older 'high-line' is...
Stainless steel
Allowing them access to their new born calf for the 1st 30 days
It has a lower vacuum requirement
3 years
25. Each animal inherits certain genes from both parents. What percentage of genes does a calf receive from its sire?
50 percent
Reproductive failure
Recessive
80
26. 'Thurl position' is a trait evaluated in the ________ category on the PDCA Unified Scorecard?
After 200 days of lactation
Rear feet and legs
Nonfat Dry Milk
Inguinal
27. FSIS
5-9 years old
3.0
Food safety and Inspection Service
Reticulum
28. Corn silage stored in sealed upright silos should be ensiled at what moisture?
No less than 60% moisture
Gonadotropin Releasing Hormone
Concentrated Animal Feeding Operation
30 hours
29. How many chromosomes does the nucleus of each reproductive cell have in dairy cattle?
282 days
30
Back flushing
Total Production Index
30. A Babcock test may be used to measure the __________ % of milk.
Fat
Poll
Leukocytes
25
31. Which compartment of a dairy cow's stomach is located closest to the heart and it is a spot where hardware disease occurs?
Reticulum
Gonadotropin Releasing Hormone
60
Gonadotropin Releasing Hormone
32. BST is the acronym for what compound?
Decreases - increases
Heat detection and conception rates
Beta-carotene
Bovine Somatotropin
33. The dairy breed which produces the highest volume of milk is the...
Holstein
9%
Low blood levvels of ionized calcium
24 hours
34. What percent of the cows feed intake is consumed during the daylight hours?
The initiation of milk secretion
70%
The weaving gait of affected cattle
9%
35. It is widely acknowledged that a calcium/phosphorus ration of about ______________ is best for a dairy ration since this mirrors that of the cows' body.
Parturient paresis
2:1
80
Income over feed costs
36. What numerical value does a Holstein cow get when given the classification excellent?
Dairy character
Plate chiller
90-100
Calories
37. When comparing bulls for artificial insemination - What does 'SCR' stand for?
Pass from animals to humans and vice versa
Sire conception rate
Bovine Viral Diarrhea
Front feet toward rear of the cow with head - nose first - between them
38. Fear can disrupt milk letdown in a cow. The hormone released that causes this disruption is...
The cows leave the milkers via an alley wide enough to allow 2 or more cows side by side
Swollen hock
Epinephrine
A national dairy farmer-funded program that is used to help stabilize milk prices
39. Heritability for milk production in dairy cattle is...
30%
1
Duodenum
Registered Holstein Ancestry
40. What acid is formed when nonstructural carbohydrates are digested in the rumen?
Bone calcium
Arteries
Nonprotein nitrogen
Propionic acid
41. The top most part of a cow's head is called the...
Poll
Registered Holstein Ancestry
Arteries
25 gallons
42. The two main problems that effect reproduction are...
10 days
Follicular and luteal
Cheddar
Heat detection and conception rates
43. How did parallels perform when compared to herringbones?
Parallels out performed herringbones by nearly 8%
Intravenous injection of calcium gluconate
24
Loin and chine
44. NFDM
Loin and chine
101.5 degrees F
Nonfat Dry Milk
20 to 24
45. After insemination - how long do sperm live in the cow's reproductive tract?
Brown Swiss
Relative Forage Value
Two weeks prior to calving
24 hours
46. When reffering to vaccinations - what do the letters MLV stand for?
70%
70% moisture
Modified Live Virus
20
47. IDFA
International Dairy Foods Associactions
Reproductive failure
30%
1957
48. When evaluating dairy rations what do the letters NE stand for?
Holstein
25-30
Net Energy
Cystic
49. Crude fiber in a dietary ration must be at least ___% or milk fat percent will decrease.
Bovine Somatotropin
MyDairy
Hormones
18
50. How many days after parturition should you wait before breeding a cow back?
Mycobacterium bovis
PH 4.6
Guernsey
60 days