Chapter 4 - Dairy

Question 0

85-90% of dairy cattle are…

Answer 0

Holstein

Question 1

2/5 top leading states in milk production?

Answer 1

Minnesota and Wisconsin

Question 2

Scoring traits of a sires’s production

Answer 2

Linear Evaluation

Question 3

First milk produced after birth…?

Answer 3

Colostrum

Question 4

What grape-like structures in the udder produces milk?

Answer 4

Alveoli

Question 5

How many pounds of blood is circulated in the cow to produce 1 pound of milk?

Answer 5

300-500 pounds

Question 6

First part of the “Letdown Process”…?

Answer 6

Oxytocin is released as cow is stimulated

Question 7

Second part of the “Letdown Process”…?

Answer 7

Oxytocin causes alveoli to release milk

Question 8

Grade used for fluid milk

Answer 8

Grade A

Question 9

Grade used for manufacturing process

Answer 9

Grade B

Question 10

Hormone that causes the alveoli to secrete milk

Answer 10

Prolactin

Question 11

The part that actually makes milk

Answer 11

Lumen

Question 12

Describe homogenization

Answer 12

A process where the milk is forced through a screen to reduce the size of the fat globules so fat won’t settle

Question 13

Milk should be cooled to…?

Answer 13

40°

Question 14

Milk is tested for…?

Answer 14

Somatic cells (infected white blood cells)

Question 15

Define “clean”

Answer 15

Free from defects

Question 16

Define “springer”

Answer 16

Cow showing signs of pregnancy

Question 17

Span of time a cow gives milk

Answer 17

10 months

Question 18

Breed with highest butterfat content

Answer 18

Jersey

Question 19

What does the sphincter muscle do?

Answer 19

Prevents milk from leaking from the teat

Question 20

Define lactation

Answer 20

Secretion of milk by mammary glands

Question 21

Define discrimination

Answer 21

Rated slight to serious - a defect

Question 22

Define homogenization

Answer 22

To decrease fat globule size by putting milk through a screen

Question 23

Time and temp to pasteurize?

Answer 23

140° F for 30 minutes