Dairy

Question 1

Holstein cows weight and origin

Answer 1

1500lbs, from the Netherlands

Question 2

Most common dairy breed

Answer 2

Holstein

Question 3

Highest Milk Production

Answer 3

Holstein

Question 4

Jersey cows weight and origin

Answer 4

800-1,200lbs, from the aisle of Jersey in the English Channel

Question 5

Oldest of the dairy breeds

Answer 5

Brown Swiss

Question 6

Brown swiss cows weight and origin

Answer 6

1300lbs, from Switzerland

Question 7

Ayrshire cows weight and origin

Answer 7

1200lbs, from Switzerland

Question 8

What 2 cow breeds are from Switzerland

Answer 8

Brown Swiss Cows & Ayrshire Cows

Question 9

Guernsey cows weight and origin

Answer 9

1200lbs, Island of Guernsey

Question 10

Dairy Lactation Cycle (5 steps)

Answer 10

1.Partuiton
2.Rebreeding
3.Gestation
4.Dry
5.Partuiton

Question 11

Dairy Cattle Reproductive Cycle

Answer 11

Calving, 82 days
Pregnant, 283 days

Question 12

Dairy Cattle Lactation Cycle

Answer 12

Lactation, 305 days
Calving, 60 days

Question 13

Internal Udder Structure includes…

Answer 13

Alveoli, Lobuoles, Duct System, Gland Cisterm, Teats

Question 14

List the 2 parts of the teats

Answer 14

Cistern and Streak canne

Question 15

___ is the internal udder structure

Answer 15

Alveoli

Question 16

List the 4 components of the internal udder structure

Answer 16

Epithelial Cells, Lumen, Myoepithelial Cells, Capillary System

Question 17

Epithelia Cells function

Answer 17

Milk synthesis and secreation

Question 18

Lumen Function

Answer 18

Collects milk components and water

Question 19

Myoepithelial cells

Answer 19

Milk ejection

Question 20

Capillary system

Answer 20

Supply milk components

Question 21

What hormone lets milk down?

Answer 21

Oxytocin

Question 22

The 2 Milk Production grades include

Answer 22

Somatic Cell Count and Bacterial Count

Question 23

What are the 2 grades

Answer 23

A grade and B grade

Question 24

A grade is also known as

Answer 24

Fluid or “Manufacturing”

Question 25

B grade is also known as

Answer 25

"Manufacturing Only"

Question 26

Grade A is likely

Answer 26

not an infection

Question 27

Grade B is likely

Answer 27

An infection

Question 28

Grade A has _____ Bacteria/Ml

Answer 28

More than 1000

Question 29

Grade B has _____ Bacteria/ML

Answer 29

Less than 1000

Question 30

Grade A classes include

Answer 30

Butter, Cheese, Fluid Milk, and Soft Products

Question 31

Soft Products would include

Answer 31

yogurts, icecream, sour cream

Question 32

Processing milk is the ___ and ___

Answer 32

Pasteurization and homogenization

Question 33

List the 5 parts of the average milk composition

Answer 33

Water, 87.7 Fat, 3.6 Protein, 3.2 Lactose, 4.8 Ash/Minerals, 0.7

Question 34

What are some ways to diagnose mastitis

Answer 34

Visual, pH, Electrical conductivity, Bulk tank SCC, Culture testing, Electronic SC counters, CMT

Question 35

What is the California Mastitis Test highly sensitive to

Answer 35

Somatic cells in milk