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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. In regards to pedigrees - What is a RHA?
Niacin
Cryoscope
After 55 days
Registered Holstein Ancestry
2. What hormone is responsible for maintaining pregnancy?
After 200 days of lactation
Progesterone
Parathyroid gland
Body weight
3. The circulatory system of a dairy cow is very important to milk production. A dairy cow must circulate about _________ of blood for each pound of milk produced.
Composting
25%
Net Energy
400 pounds
4. NAFTA
North American Free Trade Agreement
Animal Improvement Program Lab
Milking Shorthorn
High % of water
5. Milk fever is also (scientifically) known as what?
24
They may be bothersome to livestock and other animals
Back flushing
Parturient paresis
6. What is the classification for a Holstein cow given the numerical value of less than 70?
Abomasum
Poor
25%
9 weeks
7. All milking equipment must be sanitized...
Between 6.0 and 6.5
Hardware disease
Dairy character
After each use
8. How many grams of lactose are in an 8 oz. glass of milk?
10
9 weeks
National Milk Producers Federation
20 to 24
9. A mutation where a calf is born with a single toe on one or more feet is called...
Guernsey
Between 14 and 35 days
Mule-foot
50-70
10. At how many days can pregnancy be detected by palpation?
Abomasum
10%
Between 14 and 35 days
400 pounds
11. 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
Cheddar
Commodity Credit Corporation
Non-forage Carbohydrates
12. What acid is formed when nonstructural carbohydrates are digested in the rumen?
Oxytocin
Abomasum
Digestive
Propionic acid
13. How many days after breeding can a pregnancy be detected by ultrasound?
Arteries
Pastuerized Milk Ordinance
Laminitis
Between 28 to 30 days
14. What percentage of whole milk is fat when compared on a dry matter basis?
After each use
25%
Net Energy
8.62 pounds
15. Which one of the following is the name of the part of the cow's back that lies between the withers and the loin?
Sire conception rate
Nonfat Dry Milk
Progesterone
Chine
16. The most costly form of mastitis is?
Concentrated Animal Feeding Operation
Parathyroid gland
Inguinal
Subclinical
17. Coccidia infection can occur when calves are 4 to 8 weeks old. Coccidia causes...
Enteritis
40/60
20-30%
Low blood levvels of ionized calcium
18. What machine is used to determine if water has been added to milk?
Limber leg
87%
Cryoscope
4 years
19. IPM
Nonstructural Carbohydrates
Bone calcium
Integrated pest management
Brown Swiss
20. A disease transmitted through natural mating which causes abortion - low conception rates - and irregular heat cycles is _____________________.
5
Solids removal
Administered in the muscle
Vibriosis
21. The typical lactation curve shows a dairy cow reaching her peak production about ________days into the lactation cycle.
50-70
High % of water
% Degradable proteins
Water
22. For best results calves should be fed colostrum within ____ hours of calving...
6 hours
Urea
Concentrated Animal Feeding Operation
1
23. How many das into a pregnancy can a fetus be sexed by ultrasound?
Calcium
Vibriosis
25 gallons
After 55 days
24. When discussing lactation records - What does the term 'fat corrected milk' mean?
The initiation of milk secretion
Commodity Credit Corporation
Lactation records have been adjusted to the same milk fat percentage
Cystic
25. Parallel milk barns typically have several cows on each side. The cows are arranged in a ____________ fashion in this barn.
Attract the opposite sex
Commodity Credit Corporation
Side by side (head out)
Small intestine
26. To maintain margins - you should be monitoring and making decisions based on your herd's IOFC. What do the initials IOFC stand for?
Cheddar
Lactation records have been adjusted to the same milk fat percentage
Total Mixed Ration
Income over feed costs
27. What pathway in youg calves direct milk into the abomasum - bypassing the rumen - reticulum - and omasum?
A minimum of every 6 months
No less than 60% moisture
30%
Esophageal groove
28. What percent of the cows feed intake is consumed during the daylight hours?
Small intestine
Omasum
70%
Food safety and Inspection Service
29. Milk with over_____________ somatic cell count cannot legally be shipped in the United States?
Omasum
750000
9%
The weaving gait of affected cattle
30. Recent research traits have shown that dairy cows prefer to be milked __________ times/day if they are able to choose.
Four or more times
Lactose intolerance
1
5
31. Milk traits - i.e. fat - protein - SNF and etc. - tend to have a heritability of about...
50
20-30%
Hormones
Neutral Detergent Fiber
32. What is another term for the lowest lateral regions of the abdomen - near the groin?
Inguinal
5000000
Loin and chine
60 days
33. Reduced gestation length and retained placenta typically are the first symptoms of _________________ vitamin deficiency
Neutral Detergent Fiber
After each use
Calcium
Vitamin A
34. The topline of a cow is made up of the...
% Degradable proteins
Loin and chine
Digital Dermatitis
Food Animal Residue Avoidance Databank
35. To dairymen - the most harmful disease impacting milk production and their economic bottom line is...
Brucellosis
Oxytocin
Mastitis
XY
36. Which hormone produced by the uterus causes regression of the corpus luteum?
PGF
Digital Dermatitis
Plant starch - pectin - and sugar
Two times
37. %DBH
5000000
The bacteria Escherichia Coli
Basic Formula Price
Percentage of Difficult Births in Heifers
38. To the hundreth - how many pounds of milk are in a gallon?
No less than 60% moisture
Transponders
8.62 pounds
Black leg
39. When feeding close-up cows a calcium deficient diet - which gland is simulated?
A positively charged ion
Composting
Holstein
Parathyroid gland
40. What percent of dry matter in plants is made of carbohydrates?
14 days
75%
Plant starch - pectin - and sugar
Hardware disease
41. In the reproductive tract of a dairy cow - how many uterine horns are there?
Two
Clipping and singeing
Between 14 and 35 days
Sodium Bicarbonate
42. A ____________gene in Black and White Holsteins is responsible for the red and white color being expressed at times...
Jersey
Recessive
% Protein
Plant starch - pectin - and sugar
43. Fats are broken down by a dairy cow In what part of her body?
Follicular and luteal
Small intestine
Retained placenta
Feeding the cow
44. Heart girth measurements of cows may be used to estimate...
Body weight
Texas Commission on Environmental Quality
Brucellosis
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.
45. The top most part of a cow's head is called the...
Mastitis
Nonstructural Carbohydrates
Calories
Poll
46. What is an anion?
A negatively charged ion
Carbon
30
Net Energy
47. Dairy Farmers frequently place a stomach magnet into their cows to...
Prevent ingested metal objects from interfering with the digestive tract or the respiratory system
Lignin
Cystic
Arteries
48. Producers using BST must give their cows an injection of it every...
1957
50
Energy
14 days
49. 98% of somatic cells are...
Restraint and control of the animal
10 days
Leukocytes
General Agreement on Tariff and Trade
50. Milk sugars are not very soluble. Some people have difficulty hydrolyzing them in their bodies. This problem is called _________________.
Food Animal Residue Avoidance Databank
Lactose intolerance
Carbon
5