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100

A calf's birth weight is approximately ________ % of its' mature weight. 

A 20 

B 1 

C 10 

D 5

D 5

100

Most dairies in Texas are considered to be CAFO's. A CAFO is: 

A Concentrated Animal Farming Operation 

B Confined Animal Feeding Operation 

C Confined Animal Farming Operation 

D Concentrated Animal Feeding Operation

D Concentrated Animal Feeding Operation

100

In reference to reproduction, what does CL stand for? A Cattle Lutalysis 

B Compound Lepto 

C Cervix Lymphocyte 

D Corpus Luteum

D Corpus Luteum

100

A material used in a footbath for cows with foot rot problems is: 

A Copper sulfate

B Sodium chloride 

C Monosodium phosphate 

D Calcium carbonate

A Copper sulfate

100

What structural carbohydrate component makes older plants less digestible than younger plants? 

A Cellulose 

B Sucrose 

C Lignin

D Fructrose

C Lignin

200

BST is the acronym for what compound? 

A Bovine Special Tinticure 

B Black Sodium Tapestry 

C Barn Somatotropin 

D Bovine Somatotropin

D Bovine Somatotropin

200

The major advantage of a ³low-line´milk line as compared to the older ³high- line´is: 

A It is easier to dump waste milk 

B You don't hit it with your head while walking 

C It has a lower vacuum requirement

D It can be a smaller I.D., so it is cheaper

C It has a lower vacuum requirement

200

Dairy cattle where first successfully cloned in the ________ . 

A 1980s 

B 1950s 

C 2000s

D 1880s

C 2000s

200

Dairy cows produce milk that is relatively high in B complex vitamins. Because they are ruminants: 

A Vitamin A will be converted to the Vitamin B complex in the rumen 

B Vitamin D will be converted into the Vitamin B complex in the rumen 

C It is necessary to supplement the intake of Vitamin B complex 

D It is not necessary to supplement the intake of Vitamin B complex

D It is not necessary to supplement the intake of Vitamin B complex

200

Abortion in the last trimester of pregnancy is often caused by ________ . 

A Brucellosis

B Bovine virus diarrhea 

C Milk fever 

D Hardware disease

A Brucellosis

300

When comparing bulls for artificial insemination, what does 'SCR' stand for? 

A Sperm conception rate 

B Service conception rate 

C Sire conception rate 

D Sibling conception rate

C Sire conception rate  

300

Manure management is a major concern for most modern, large-scale dairies. The newest management techniques being used involve: 

A Collecting the methane gas being produced and using it as an energy source on the dairy

B Storing the manure in lagoons until it is applied to fields as irrigation water and nutrients 

C Manure management is NOT a problem since we all know this is a natural process 

D Scraping into huge piles and drying before it is shipped offsite

A Collecting the methane gas being produced and using it as an energy source on the dairy

300

What are the four composite indexes calculated by the Holstein Association? 

A Udder, feet and legs, body color, & dairy character

B Teats, feet and legs, body form, & dairy character

C Udder, feet and legs, body form, & dairy quality 

D Udder, feet and legs, body form, & dairy character

D Udder, feet and legs, body form, & dairy character

300

What percent non-fiber carbohydrate should a ration contain for high producing cows? 

A 35 to 40 percent

B 56 to 61 percent 

C 10 to 20 percent 

D 22 to 27 percent

A 35 to 40 percent

300

Cows treated with BST typically show an increase in milk production of: 

A 50% 

B 25% 

C 10%

D 2%

C 10%

400

Recent research traits have shown that dairy cows prefer to be milked ________ times/day if they are able to choose. 

A Four or more times

B Three times 

C One 

D Two

A Four or more times

400

What does the term freshen mean in relation to dairy production? 

A To stop producing milk 

B To give birth

C Exhibits signs of extreme agitation or freshness 

D To become pregnant

B To give birth

400

A dairy cow that has her feet too far forward (under her belly) is said to be: 

A Splay footed 

B Post legged 

C Cow hocked 

D Sickle hocked

D Sickle hocked

400

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

A Lactose intolerance

B Lactose irritability 

C Lactose indigestibility 

D Lactose adjustment

A Lactose intolerance

400

What should the pH of a "close up" Holstein's urine be? 

A Between 2.0 and 3.0 

B Between 1.0 and 2.0 

C Between 6.0 and 6.5

D Between 11.0 and 12.0

C Between 6.0 and 6.5

500

Milk that is low in SCC has more casein, which is a primary component in ________ ? 

A Butter 

B Cream 

C Cheese

D Milk

C Cheese

500

What are two methods for shortening udder hair? 

A Singeing and waxing 

B Clipping and singeing

C Clipping and straight razor shaving 

D Electrolysis and waxing

B Clipping and singeing

500

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

A Cheddar

B Mozzarella 

C Colby 

D Swiss

A Cheddar

500

When examining feed rations, what do the letters NDF stand for? 

A Normal Detergent Fiber

B Neutral Directing Fiber 

C Normally Digestible Fiber 

D Neutral Detergent Fiber

D Neutral Detergent Fiber

500

Which of the compartments of a cow's four-compartment stomach acts as the true stomach? 

A Reticulum 

B Omasum 

C Rumen 

D Abomasum

D Abomasum