#201-250

Question 1

What is the average production lifetime of a dairy cow?

Answer 1

3 years

Question 2

An average Holstein cow should give_____pounds per day for each lactation.

Answer 2

50

Question 3

A cow’s gestation period is_____long?

Answer 3

282 days

Question 4

HTST is a________

Answer 4

Pasteurizing system

Question 5

What combines the Predicted Transmitting Ability for protein,fat,type and udder composite index and ranks the animal on its ability to transmit a balance of these four traits.

Answer 5

Total Production Index

Question 6

Jersey cattle are characterized by having a ______face:

Answer 6

Dished face

Question 7

Milk sugars are not very soluble. Some people have difficulty hydrolyzing them in their bodies. This problem is called________.

Answer 7

Lactose intolerance

Question 8

Fermented forage plants relates to:

Answer 8

Silage

Question 9

What does the acronym IPM stands for?

Answer 9

Integrated pest management

Question 10

In the standard protocol for cleaning milk equipment, which of the following is not one of the four phases of cleaning.

Answer 10

Back flushing

Question 11

Feeding proper rations during the summer is important for both cow comfort and maintaining milk production. Which nutrient is most during the summer months.

Answer 11

Water

Question 12

What percent of lactating dairy cows have oxytocin in their bloodstreams during milking.

Answer 12

100%

Question 13

The medical name tarsal hygroma, a common aliment of dairy cows is commonly called:

Answer 13

Swollen hock

Question 14

This bacteria causes “Circling Disease” in cattle:

Answer 14

Listeria

Question 15

Fumonsin and zearalenone are examples of:

Answer 15

Mycotoxins

Question 16

Which of the following is a compartment of the dairy cows stomach?

Answer 16

Abomasum

Question 17

When using sexed semen, conception rates are_______ percent of the conception rates achieved when using unsexed semen under the same conditions?

Answer 17

50-80%

Question 18

According to recent USDA surveys, what is the most popular age to wear dairy calves?

Answer 18

9 weeks

Question 19

In the reproductive tract of a dairy cow, how many uterine horns are there?

Answer 19

Two

Question 20

The number one reason for culling in U.S. dairy herds is:

Answer 20

Reproductive failure

Question 21

Which of the following is not a commonly used estrus synchronization program for dairy cattle?

Answer 21

Post-synch

Question 22

In which breed of cow is the incidence of milk fever most common?

Answer 22

Jersey

Question 23

Milk with over_______ somatic cell count cannot legally be shipped in the United States?

Answer 23

750,000

Question 24

The vitamin plays a role in the coagulation of blood:

Answer 24

Vitamin K

Question 25

Manure digesters convert_______ fuel into electricity.

Answer 25

Methane

Question 26

What is a common name for infectious kerato conjunctivitis?

Answer 26

Pink eye

Question 27

Which one of the following is not classified as a fat-soluble vitamin?

Answer 27

Vitamin B

Question 28

Which compartment of a dairy cow's stomach is located closest to the heart and it is a spot where hardware disease occurs?

Answer 28

Reticulum

Question 29

Which purebred dairy breed association introduced a "dairy price stabilization" program in 2009?

Answer 29

Holstein

Question 30

In a sire's proof, daughters' calving measures_______.

Answer 30

The influence of the sire of the cow on calving ease.

Question 31

To maintain margins, you should be monitoring and making decisions based on your herd's IOFC. What do the initials IOFC stands for?

Answer 31

Income over feed costs

Question 32

Which of the following diseases in not causes by a virus?

Answer 32

Laminitis

Question 33

How many chromosomes does the nucleus of each reproductive cell have in dairy cattle?

Answer 33

30

Question 34

If a dairy bull has been genetically tested to deter mine his genomic make-up, this will be indicated on his pedigree by what letters?

Answer 34

GTPI

Question 35

The most costly form of mastitis is?

Answer 35

Subclinical

Question 36

Which of the following is the most popular type of cheese in the United States?

Answer 36

Cheddar

Question 37

"Thurl position" is a trait evaluated in the_______ category on the PDCA Unified Scorecard?

Answer 37

Rear feet and legs.

Question 38

The only aspect of milk quality that can be completely controlled on the farm is______.

Answer 38

Drug residue

Question 39

The Global Dairy Agenda for Action is a pledge to reduce______ emissions in an attempt to address global warming?

Answer 39

Carbon

Question 40

Dairy Management Inc. introduced the______ social media program for dairy advocates?

Answer 40

myDairy

Question 41

Milk that is low in SCC has more casein, which is a primary Component in________?

Answer 41

Cheese

Question 42

Which hormone produced by the uterus caused regression of the corpus luteum?

Answer 42

PGF

Question 43

When a cow comes into heat every few days, she is referred to as?

Answer 43

Cystic

Question 44

Fats are broken down by a dairy cow in what part of her body?

Answer 44

Small intestine

Question 45

Which dairy breed originated in the central part of the European Continent?

Answer 45

Brown Swiss

Question 46

Which system of the cow's body is most affected by partatuberculosis?

Answer 46

Digestive

Question 47

What is the sex chromosome configuration of a male calf?

Answer 47

XY

Question 48

On the PDCA Unified Dairy Score Card, the category "dairy strength" accounts for how many points?

Answer 48

25

Question 49

On the PDCA Unified Dairy Score Card, the category "feet and legs" accounts for how many points?

Answer 49

20

Question 50

Which one of the following is the largest dairy milk marketing cooperative in U.S.?

Answer 50

Dairy Farmers of America