STUDY
THE
DAIRY
CATTLE
EXAM
100

This vitamin plays a role in the coagulation of blood: 

A Vitamin B12 

B Vitamin C 

C Vitamin A 

D Vitamin K

D Vitamin K

100

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

A Dairy goddess 

B Dairy farming today 

C myDairy 

D Facebook

C myDairy

100

98% of somatic cells are: 

A Lymph nodes 

B Plasma 

C Red blood cells 

D Leukocytes

D Leukocytes

100

Where are degradable proteins broken down? 

A Rumen

B Abomasum 

C Omasum 

D Reticulum

A Rumen

100

Allelomimetic behavior is defined as: 

A The tendency for animals to produce young with the characteristics of their parents 

B The tendency for animals to flee 

C The tendency for animals to separate from the herd 

D The tendency for a group of animals to do the same thing at the same time

D The tendency for a group of animals to do the same thing at the same time

200

Protein is a combination of amino acids. The amino acids are unique among compounds involved in nutrition because they contain what element? 

A Copper 

B Calcium 

C Nitrogen

D Phosphorous

C Nitrogen

200

What does NSC stand for? 

A Nonstructural Carbons 

B Nonstructural Carbohydrates

C Nitrogen Substitute Calories 

D Nitrogen Standard Calculation

B Nonstructural Carbohydrates

200

What hormone is responsible for maintaining pregnancy? 

A Oxytocin 

B Progesterone

C Lutalyse 

D Prostaglandin

B Progesterone

200

According to the NRC, what percent calcium should a dry cow ration contain? 

A 2 percent 

B .39 percent

C 10 percent 

D 1 percent

B .39 percent

200

What is intravenous injection? 

A It is administered intradermal 

B It is administered via the blood vessels

C It is administered in the muscle 

D It is administered under the skin

B It is administered via the blood vessels

300

A perfect score for a cow according to the Dairy Cow Unified Score Card is: 

A 100

B 500 

C 50 

D 1000

A 100

300

Some Texas dairymen are placing Bermuda and/or corn forage into ________ for fermentation and silage production. 

A Long Metal Trays 

B Large Horizontal Cement Pipes 

C Large Plastic Bags 

D 4'X4'X8' bales

C Large Plastic Bags

300

Milk traits, i.e. fat, protein, SNF and etc., tend to have a heritability of about: 

A 51% or more 

B 40-50% 

C 20-30%

D 10% or less

C 20-30%

300

Dairy cows need roughage to concentrate ratio of approximately ________ to maintain the desired fat content in the milk. 

A 60/40 

B 40/60

C 25/75 

D 50/50

B 40/60

300

A disease causing air bubbles under the skin and usually results in rapid death is ________ . 

A Milk fever 

B Hardware disease 

C Vibriosis 

D Black leg

D Black leg

400

How is a dairy¶s RHA calculated? 

A By dividing the total amount of milk produced in the past 365 days by the total number of cow years in the herd this year. 

B By dividing the total amount of milk produced in the past 365 days by the total number of cow years in the herd last year.

C By adding the total amount of milk produced in the past 365 days to the total number of cow years in the herd last year. 

D By multiplying the total amount of milk produced in the past 365 days by total number cow years in the herd this year.

B By dividing the total amount of milk produced in the past 365 days by the total number of cow years in the herd last year.

400

The two main problems that effect reproduction are: 

A Heat detection and heat stress 

B Heat detection and conception rates

C Heat detection and cold stress 

D Heat detection and ovarian cancer

B Heat detection and conception rates

400

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

A LH 

B FSH 

C PGF 

D GnRH

C PGF

400

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

A 7 weeks 

B 9 weeks

C 4 weeks 

D 2 weeks

B 9 weeks

400

When using a body condition scoring system of 1 to 5, what does a score of 5 mean? 

A Below average body condition 

B Average body condition 

C Extremely fat

D Extremely thin

C Extremely fat

500

Quality forage is critical for a cow¶s milk production. Many people evaluate hay based upon its green color; others think the color is a poor indication of nutrient composition. However, green colored hay is generally considered to have a higher ________ content than more bleached out colored forage. 

A Net Energy 

B Vitamin B3 

C Beta-carotene

D Total Digestibility Nutrients

C Beta-carotene

500

Fear can disrupt milk letdown in a cow. The hormone released that causes this disruption is: 

A Progesterone 

B Prostaglandin 

C Oxytocin 

D Epinephrine

D Epinephrine

500

What state agency regulates waste management? 

A Texas Health Commission 

B Texas Animal Health Commission 

C Texas Commission on Environmental Quality

D Environmental Preservation Agency

C Texas Commission on Environmental Quality

500

A free martin is considered a...

A Sterile bull born twin to a heifer 

B Sterile heifer born twin to a bull

C Virgin heifer that has not yet been bred 

D Cow that has just weaned a calf

B Sterile heifer born twin to a bull

500

Dairy Farmers frequently place a stomach magnet into their cows to: 

A Prevent ingested metal objects from interfering with the digestive tract or the respiratory system 

B Prevent arthritis from settling in the hock and knee joints 

C Improve the absorption of iron when the cows are drinking soft water 

D Help improve the mineral content of the milk

A Prevent ingested metal objects from interfering with the digestive tract or the respiratory system