Dairy Chapter 4

Most dairy cattle in the U.S. are this breed.

• Jersey

• Holstein

• Angus

• Shorthorn

The circular muscle in a cow that keeps milk from leaking into the teat.

• teat

• abdomen

• sphincter

• lumen

Common configuration used in a milking parlor.

• herringbone design

• carousel

• alternating

• 1 x 1

Once milk is drawn into a holding tank, it is cooled rapidly to what temperature?

• 10

• 20

• 30

• 40

A hormone, epinephrine, is released to __________ milk let down.

• Stimulate

• Inhibit

An enzyme is produced by an animals body to speed up a chemical reaction, or a process.

• True

• False

A hormone released by a cow when she is ready to nurse or be milked.

• pituitary

• lobule

• prolactin

• oxytocin

As long as the cow is milked or the calf nurses, prolactin stimulates the alveoli to produce milk.

• True

• False

At what age are dairy calves taken from their mothers?

• 2 days

• 6 weeks

• 1 month

• 14 days

Only this type of milk can be used for fluid or beverage milk.

• Grade A

• Grade A and B

• Grade B

• Grade C