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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. Endocrinology is the science dealing with _______________.
Rolling Herd Average
A minimum of every 6 months
National Milk Producers Federation
Hormones
2. Feeding bulky feeds during the dry period and gradually bringing fresh cows back on grain are ways to prevent...
Displaced abomasum
Feed low potassium hay - silage - and anionic salts to dry cows
To give birth
Income over feed costs
3. What ration ingredients contain the highest concentration of energy?
Twice/day
Propionic acid
20 to 24
Fats
4. What pathway in youg calves direct milk into the abomasum - bypassing the rumen - reticulum - and omasum?
Esophageal groove
Vitamin B
3.0
Bone calcium
5. As a rule of thumb when milk production ________ - the milk fat content _______
No less than 60% moisture
Decreases - increases
Preparing cows properly
Chine
6. Endocrinology is the science dealing with _______________.
100
Hormones
Enteritis
National Farmers Organization
7. When using a body condition scoring system of 1 to 5 - What does a score of 5 mean?
Animal Improvement Program Lab
Lignin
90-100
Extremely fat
8. What is a cation?
During the first pregnancy
A positively charged ion
Food safety and Inspection Service
Farm Service Agency
9. A dairy cow that has her feet too far forward (under her belly) is said to be...
Restraint and control of the animal
High % of water
Administered in the muscle
Sickle hocked
10. PTAT
Bovine Viral Diarrhea
5
Energy
Predicted Transmitting Ability-Type
11. The rumen of a cow is located...
Left side of the body
Sole
Restraint and control of the animal
Subclinical
12. Milking time is best reduced by...
Farm Service Agency
Small Intestine
Preparing cows properly
Clipping and singeing
13. What trait with the only positive genetic correlation to milk production?
Solids removal
80
Basic Formula Price
Dairy character
14. The annual sale of dairy semen exceeds __________ straws.
20000000
Stainless steel
Transponders
18
15. Abortion in the last trimester of pregnancy is often caused by_______________.
Gonadotropin Releasing Hormone
Vitamin B
Brucellosis
3.0
16. A switch on a cow is...
Rolling Herd Average
The bottom most part of the tail
Four or more times
Small intestine
17. The dairy breed which produces the highest volume of milk is the...
Vitamin K
Holstein
Parathyroid gland
Collecting the methane gas being produced and using it as an energy source on the dairy
18. When looking at DHI records - what do the letters RHA stand for?
PH 4.6
Lactose intolerance
Pastuerized Milk Ordinance
Rolling Herd Average
19. In the reproductive tract of a dairy cow - how many uterine horns are there?
Two
Water
Neutral Detergent Fiber
Zinc
20. Many dairymen 'dock' the tail on their cows much to the chagrin of Animals Rights groups. They believe This is necessary to...
Animal Improvement Program Lab
Bovine Viral Diarrhea
Reduce the incidence of mastitis
Carbon Dioxide Gas
21. In what year did the Holstein Association start its program of recording carriers of Undesirable Recessive Traits?
The influence of the sire of the cow on calving ease
Jersey
Leukocytes
1957
22. Dairy cattle frequently develop milk fever shortly after calving. They become immobile - comatose - and may die without treatment. The treatment typically involves...
To add a concentrated form of energy
75%
14 days
Intravenous injection of calcium gluconate
23. When the environmental temperature falls below 30°F - the normal diet of a young calf should be supplemented with _______________?
Abomasum
Energy
International Dairy Foods Associactions
3 years
24. How many days after parturition should you wait before breeding a cow back?
Holstein
60 days
Nitrogen
Clipping and singeing
25. When does the greatest mammary tissue growth occur during a cow's life?
Feeding the cow
80
During the first pregnancy
Stainless steel
26. What state agency regulates waste management?
Texas Commission on Environmental Quality
60 days
Retained placenta
2.25
27. How many chromosomes does the nucleus of each reproductive cell have in dairy cattle?
Nonprotein nitrogen
30
After 200 days of lactation
Reticulum
28. What is another term for the lowest lateral regions of the abdomen - near the groin?
Progesterone
25 gallons
The initiation of milk secretion
Inguinal
29. What manure waste management method runs manure across a press and squeezes the water out?
Solids removal
3.0
Integrated pest management
1
30. Pest Predators will travel up to ____ yards to find their food source (fly pupae).
A positively charged ion
Esophageal groove
80
Dairy Comp 305
31. 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
Feed low potassium hay - silage - and anionic salts to dry cows
5
Pulsator
32. After insemination - how long do sperm live in the cow's reproductive tract?
Vitamin A
24 hours
The tendency for a group of animals to do the same thing at the same time
Hormones
33. The annual sale of dairy semen exceeds __________ straws.
Transponders
Digestive
20000000
Fat
34. Milk sugars are not very soluble. Some people have difficulty hydrolyzing them in their bodies. This problem is called _________________.
Lactose intolerance
Relative Forage Value
Farm Service Agency
Disbudding
35. Which one of the following describes biotin?
Symbiotic
A B-Vitamin
The initiation of milk secretion
Cheese
36. Approximately how many gallons of blood pass through the udder for each gallon of milk produced?
50-70
Milking Shorthorn
400‐500 gallons
Restraint and control of the animal
37. The breed of dairy cow generally credited with producing the highest % of both milk fat and protein is the...
Loin and chine
90-100
Jersey
Mycobacterium bovis
38. Most dairies in Texas are considered to be CAFO's. A CAFO is...
Concentrated Animal Feeding Operation
Rump
Methane
Feed
39. Cows that are at risk of developing ketosis can be fed what vitamin to help prevent ketosis?
Foreign Agricultural Service
Gonadotropin Releasing Hormone
85
Niacin
40. Heritability for milk production in dairy cattle is...
Brown Swiss
The bacteria Escherichia Coli
30%
Cellulose - hemicellulose - and lignin
41. Quality forage is critical for acow's milk production. Many people evaluate hay based upon its green color; others think the color is a poor indication of nutrient composition. However - green colored hay is generally considered to have a higher ____
Beta-carotene
Jersey
Prussic acid poisoning
Mastitis
42. A rolling herd average (RHA) is based on how many months?
Digestive
Low blood levvels of ionized calcium
Twelve
Cation-Anion Difference
43. Many dairies place bands on their cows necks or feet - with black boxes containing electronic I.D. - production - management information. These units are called...
Transponders
It has a lower vacuum requirement
Premis ID
Blind quarter
44. If the freezing point of a sample of raw milk is above 30 degrees F this indicates...
Follicle stimulating hormone
High % of water
The bacteria Escherichia Coli
Chine
45. To the hundreth - how many pounds of milk are in a gallon?
Sodium
8.62 pounds
The bottom most part of the tail
Food safety and Inspection Service
46. If the heat detection rate is 30% and the conception rate is 30% - What is the pregnancy rate?
Methane
Between 6.0 and 6.5
9%
Two times
47. What is the scientific term for birth?
5-9 years old
25
Preparing cows properly
Parturtion
48. Grass Tetany may occur in early lactation cows grazing lush - heavily - fertilized pastures. Grass Tetany is caused by a ______________deficiency.
Mycobacterium Paratuberculosis
Hardware disease
Magnesium
The bottom most part of the tail
49. What should the pH of a 'close up' Holstein's urine be?
Cheddar cheese
Between 6.0 and 6.5
After 55 days
Mixer box on a truck or trailer
50. What percent of dry matter in plants is made of carbohydrates?
Side by side (head out)
Vibriosis
75%
5