Breeding/Repro
Housing
Feeding
Genetics
Milk Marketing
100

A cow or heifer standing still while allowing herd mates to mount her is a primary sign of this


Estrus (Heat)

100

Kind of bedding that supports the least amount of bacteria growth


Sand

100

Most essential nutrient needed in the greatest quantity by dairy heifers



Water

100

Breed that had the greatest positive change in Lifetime Net Merit $ with the April 2025 genetic base change


Holstein

100

The largest dairy cooperative in the United States


Dairy Farmers of America Inc. (DFA)

200

This hormone is produced by follicular cells and is responsible for the signs of heat


Estrogen

200

Recommended stall width for adult cows


48 inches

200

Cud-chewing generates the production of this, which contains a natural antacid that helps buffer the rumen and encourage better digestion


Saliva

200

Frequency the genetic base change takes place



Every five years

200

Position where U.S. ranks globally for butter imports


Third

300

Average length of the estrus cycle in cows and heifers


21 days

300

Type of housing system where cows remain in an assigned stall for most of the time, with free choice access to food and water 


Tie-Stall Barn

300

What is the ideal moisture content of high-quality dry hay? 



15-18%

300

Organization that calculates genetic proofs and oversees the genetic base change every five years


Council on Dairy Cattle Breeding

300

Top dairy trading partner for the U.S.



Mexico

400

The lifespan of sperm in the bovine reproductive tract


24 hours

400

The use of wood products like shavings for bedding is associated with the presence of this mastitis-causing pathogen


Klebsiella

400

4. Number of weeks usually required for corn silage to ferment


4 to 6 weeks

400

A bull with a predicted transmitting ability for milk of +1,000 is expected to have daughters that produce this many more pounds of milk than the average cow born in 2020



1,000 pounds

400

State with the highest number of certified organic dairy farms

New York

500

Number of hours ovulation occurs after the beginning of standing heat


28 hours

500

A farm should aim to keep the pack moisture below this level in a compost-bedded pack barn




60%

500

5. Amount of stubble that should be left when cutting hay to keep the crop off the ground, improving drying time by preventing possible moisture wicking.

3 inches

500

Pounds of milk yield progress in Holsteins since the last genetic base change


750 pounds

500

This French company is the world's largest dairy company


Lactalis

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