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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?
Registered Holstein Ancestry
Sodium Bicarbonate
30 hours
National Farmers Organization
2. Why is fat added to dairy rations?
20-30%
To add a concentrated form of energy
It has a lower vacuum requirement
Feed
3. One ejaculation from a bull typically contains _________________ sperm
Digestive
6 hours
5000000
Side by side (head out)
4. For best results calves should be fed colostrum within ____ hours of calving...
6 hours
Mammals
9%
Bovine Somatotropin
5. Which dairy breed's milk is golden-yellow in color?
Oxytocin
Predicted Transmitting Ability-Type
Abortion
Guernsey
6. To dairymen - the most harmful disease impacting milk production and their economic bottom line is...
The bottom most part of the tail
Mastitis
Abortion
The bacteria Escherichia Coli
7. In a sire's proof - daughters' calving ease measures __________________.
Copper
72
A minimum of every 6 months
The influence of the sire of the cow on calving ease
8. A ____________ is usually necessary when feeding Dairy Cows TMR rations.
Propionic acid
Mixer box on a truck or trailer
Extremely fat
Pink eye
9. Cattle grazing stressed on wilted hybrid sorghum/Johnson grass type pasture - may die as a result of ________________.
A national dairy farmer-funded program that is used to help stabilize milk prices
Parturient paresis
Twelve
Prussic acid poisoning
10. What describes the fraction of the ration proteins - which is broken down by digestive enzymes and utilized by rumen bacteria?
Guernsey and Jersey
3.0
Composting
% Degradable proteins
11. The breed of dairy cow generally credited with producing the highest % of both milk fat and protein is the...
2:1
Udder - feet and legs - body form - & dairy character
15 months
Jersey
12. Research has shown that by formulating lactating cow rations with proper amounts of certain amino acids - we can decrease the crude protein content of the ration and reduce _______________________?
Chine
Nitrogen excretion
Plant starch - pectin - and sugar
Texas Commission on Environmental Quality
13. Cows produce pheromones which...
Interdigital phlegmon
Feed
Attract the opposite sex
Total Mixed Ration
14. Texas dairies normally must be permitted by the ___________before they begin operations.
Niacin
Texas Commission on Environmental Quality
Lignin
Mastitis
15. 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.
400 pounds
60 days
Cystic
Left side of the body
16. The first feeding of colostrum should equal about ___ percent of the calf's body weight?
Digital Dermatitis
Pulsator
5
Lignin
17. What is the scientific term for birth?
Lignin
Urea
Parturtion
After 55 days
18. The CWT programs stands for Cooperatives Working Together. Which of the following describes the function of this program?
Udder
A national dairy farmer-funded program that is used to help stabilize milk prices
Mycobacterium bovis
90-100
19. A disease transmitted through natural mating which causes abortion - low conception rates - and irregular heat cycles is _____________________.
Vibriosis
Attract the opposite sex
In the cell wall
Mycobacterium bovis
20. When the environmental temperature falls below 30°F - the normal diet of a young calf should be supplemented with _______________?
80
Negative net energy balance
Energy
4 years
21. Limber leg is found most often in the ____________ dairy breed?
Predicted Transmitting Ability-Type
Inguinal
Jersey
Vitamin B
22. 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
Animal Improvement Program Lab
Mammals
Mammals
23. How did parallels perform when compared to herringbones?
87%
Parallels out performed herringbones by nearly 8%
Udder
Heat detection and conception rates
24. A Milking herd's TMR should be available to cows how many hours throughout the day?
20 to 24
Rear feet and legs
The tendency for a group of animals to do the same thing at the same time
Total Digestible Nutrients
25. Regarding feed formulation - What does CAD stand for?
10%
Flank
Cation-Anion Difference
85
26. The only aspect of milk quality that can be completely controlled on the farm is ______________.
Drug residue
Rumen and reticulum
A minimum of every 6 months
Vitamin A
27. What bacterium causes cattle tuberculosis (TB)?
Mycobacterium bovis
Twice/day
Jersey
Sickle hocked
28. Manure digesters convert _______________ fuel into electricity.
Black leg
Pass from animals to humans and vice versa
Methane
Twice/day
29. According to the NRC - what percent calcium should a dry cow ration contain?
After 200 days of lactation
.39%
90-100
Hormones
30. According to recent USDA surveys - What is the most popular age to wean dairy calves?
Methane
100%
9 weeks
Roughage
31. How much more energy do fats contain per unit the carbohydrates and proteins?
Texas Commission on Environmental Quality
2.25
Inguinal
Commodity Credit Corporation
32. The typical lactation curve shows a dairy cow reaching her peak production about ________days into the lactation cycle.
Copper sulfate
Milk fever
50-70
After each use
33. BFP
Esophageal groove
Basic Formula Price
3 years
Mastitis
34. Crude fiber in a dietary ration must be at least ___% or milk fat percent will decrease.
1
18
Follicular and luteal
Twice/day
35. Which one of the following describes biotin?
Holstein
Relative Forage Value
Chine
A B-Vitamin
36. IPM
Sodium Bicarbonate
Niacin
MyDairy
Integrated pest management
37. Fats are broken down by a dairy cow In what part of her body?
The influence of the sire of the cow on calving ease
Mastitis
Small intestine
To add a concentrated form of energy
38. Many dairies place bands on their cows necks or feet - with black boxes containing electronic I.D. - production - management information. These units are called...
Direct Microscopic Counts
Transponders
The weaving gait of affected cattle
Administered under the skin
39. What percent moisture should corn silage be chopped at when stored in horizontal bunker silos or bags?
70% moisture
Bone calcium
80
Bangs
40. Which of the following is the most popular type of cheese in the United States?
Relative Forage Value
50 percent
282 days
Cheddar
41. What percentage of whole milk is fat when compared on a dry matter basis?
Arteries
5000000
25%
Swollen hock
42. 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).
Sodium
The influence of the sire of the cow on calving ease
5
Twelve
43. The rumen of a mature cow will hold approximately...
60
40 gallons
400 pounds
Guernsey
44. Texas dairies normally must be permitted by the ___________before they begin operations.
Solids removal
Texas Commission on Environmental Quality
Predicted Transmitting Ability-Type
50-70
45. Corn silage stored in sealed upright silos should be ensiled at what moisture?
Cellulose - hemicellulose - and lignin
5
Concentrated Animal Feeding Operation
No less than 60% moisture
46. This vitamin plays a role in the coagulation of blood...
Flank
282 days
Vitamin K
When it is proven that she will breed
47. Which mineral is found in high concentrations in soft tissues such as the pancreas - liver - and kidney?
Symbiotic
Food Animal Residue Avoidance Databank
The bacteria Escherichia Coli
Zinc
48. To the hundreth - how many pounds of milk are in a gallon?
Cation-Anion Difference
8.62 pounds
After 200 days of lactation
80
49. What is an anion?
Feed low potassium hay - silage - and anionic salts to dry cows
A negatively charged ion
Bovine Somatotropin
It is not necessary to supplement the intake of Vitamin B complex
50. The CWT programs stands for Cooperatives Working Together. Which of the following describes the function of this program?
Cellulose - hemicellulose - and lignin
Swollen hock
A national dairy farmer-funded program that is used to help stabilize milk prices
Pink eye