What are the major reasons that many dairy cattle are culled?

What will be an ideal response?


Infertility, mastitis, or death.

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The rate of absorption of radiation by metal plates varies with the plate thickness and the nature of the source of radiation. A test was conducted at Ames Labs on October 11, 2005, using a Geiger counter and a constant source of radiation; the results are shown in the following table:

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All overhead valve engines _________

A) Use the camshaft to close the valves B) Use an overhead camshaft C) Operate by the Wankel cycle D) Have the valves located in the cylinder head

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An air conditioning system has no blower speeds. When the blower motor power side wire is connected to a 12-volt power source, it begins to operate. Technician A says this means the blower motor is defective. Technician B says this means the problem could be in the control system. Who is correct??

A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B

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A typical superheat for an evaporator operating under normal conditions would be ____.

A. 14 to 16°F B. 4 to 6°F C. 8 to 12°F D. 6 to 8°F

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