Name: 
 

2010 Ohio State Dairy Cattle Test



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

Soybean meal is commonly added to calf starters for what purpose?
a.
Energy
c.
Protein
b.
Fiber
d.
No answers offered are correct
 

 2. 

Acidosis typically affects which of a cow’s four stomachs?
a.
Rumen
c.
Omasum
b.
Reticulum
d.
Abomasum
 

 3. 

Cows that aren’t cycling properly from a reproductive standpoint are called what?
a.
Cystic
c.
Mastitic
b.
Ketotic
d.
P1 Carrier
 

 4. 

Sexed semen is best used on virgin heifers. How many times should you breed them with it before trying something else?
a.
Once
c.
Three Times
b.
Twice
d.
Until Bred
 

 5. 

What is the most common type of mastitis?
a.
mycoplasma
c.
staph aureus
b.
strep ag
d.
coli
 

 6. 

What milking practice has been adopted by nearly one- third of all U.S. Herds on DHI test and is identified on all official records?
a.
2 times a day milking
c.
pounds of protein recording
b.
pounds of fat recording
d.
3 times a day milking
 

 7. 

A fermentation profile can be a report card to making good silage. What should your number one goal be in harvesting good silage?
a.
increase oxygen and lower acidity rapidly
b.
reduce oxygen and raise pH rapidly
c.
reduce oxygen and raise acidity rapidly
d.
reduce oxygen and maintain pH
 

 8. 

What two months are concerns for runoff is greatest?
a.
February & March
c.
July & August
b.
March & April
d.
December & January
 

 9. 

When considering a winter teat dip, it is suggested that they contain what percent glycerin to help protect cows’ teats from harsh winter weather and cold temperatures?
a.
1 to 2 percent
c.
anything above 5 percent
b.
5 to 10 percent
d.
15 to 20 percent
 

 10. 

In regards to genetic evaluation, what do the initials DPR stand for?
a.
Daughter prostaglandin rate
c.
Dam pregnancy return
b.
Dam pregnancy rate
d.
Daughter pregnancy rate
 

 11. 

Which method for monitoring udder health is the easiest?
a.
bacterial culturing
c.
blood cell counts
b.
somatic cell counts
d.
vaccination
 

 12. 

The second leading factor, behind mastitis, that causes economic losses is:
a.
teat dipping
c.
reproductive failure
b.
nutritional deficiencies
d.
pneumonia
 

 13. 

What is the normal body temperature for a cow?
a.
98.6º
b.
101.5º
c.
105.7º
d.
200.1º
 

 14. 

What mineral is important for its role in proper immune function, as an antioxidant in the prevention of cystic ovaries and retained placentas?
a.
Copper
b.
Zinc
c.
Sulfur
d.
Selenium
 

 15. 

Calves need extra energy when the temperature falls below their lower critical temperature (LCT). What is the LCT for a calf less than three weeks of age?
a.
56 degrees
b.
33 degrees
c.
10 degrees
d.
0 degrees
 

 16. 

Teat postdipping is a way to prevent the spread of environmental pathogens that cause mastitis. How much of the teat should be covered with the dip for full protection?
a.
just the tip
b.
half the teat
c.
80 percent of the teat
d.
the whole teat & the underside of the udder
 

 17. 

On average, how much water will a cow drink on a daily basis?
a.
10 gallons
b.
25 gallons
c.
40 gallons
d.
55 gallons
 

 18. 

Where is the proper location to give a subcutaneous injection?
a.
directly into the muscle
c.
in the thigh of the rear leg
b.
under the skin
d.
wherever you feel like injecting
 

 19. 

What is the best age to dehorn calves?
a.
2 to 8 days
c.
10 to 16 weeks
b.
2 to 8 weeks
d.
over 6 months
 

 20. 

What is the purpose of the hormone Oxytocin?
a.
promotes growth in calves
c.
allows milk letdown
b.
regulates metabolism
d.
signals ovary to release egg
 

 21. 

Which stomach compartment is the largest in a newborn calf?
a.
Rumen
b.
Reticulum
c.
Omasum
d.
Abomasum
 

 22. 

What temperature must milk be cooled to before it is transported?
a.
50 degrees
b.
45 degrees
c.
40 degrees
d.
35 degrees
 

 23. 

For farmers who are paid exclusively for components, with no premiums for milk volumes, this selection index is the best choice for choosing semen. It places more emphasis on protein yield, and  milk volume is penalized.
a.
Fluid Merit
c.
Net Merit
b.
Cheese Merit
d.
Cow Merit
 

 24. 

What is the name of the stomach disorder in which there is a physical dislocation of the cow’s fourth stomach compartment?
a.
DA (displaced Abomasum)
c.
ketosis
b.
milk fever
d.
acidosis
 

 25. 

What is the name of the famous cowside test that uses a four- compartment paddle and a blue reagent to test a sample of milk from each quarter? It can help you identify cows that probably have mastitis and can provide an estimate of severity.
a.
CMT test
c.
ELISA test
b.
DHI somatic cell count cell count
d.
Strip cup test
 



 
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