Hoard's End of the Year Quiz - Feeding and Nutrition

Carbohydrates often make up what percentage of a cow's energy?

• 100%

• 70-80%

• 50-60%

• 20-30%

If a cow is "slug feeding," what is it doing?

• Eating very slowly

• Eating many small meals

• Eating a large meal all at once

• Only eating at night

Amino acids are the building blocks for protein, but what compound is a building block for amino acids?

• Monosaccharides

• Ammonium hydroxide

• Polysaccharides

• Ammonia nitrogen

What is the limiting factor for ruminants to digest fiber?

• Energy

• Lignin

• Protein

• Cellulose

The longest particles of a ration will be retained on the top sieve of a Penn State Particle Separator. That sieve has openings that are how big?

• 19 millimeters

• 16 millimeters

• 12 millimeters

• 7 millimeters

What 2 crops are referred to as the "king and queen" of forages?

• Corn silage & oats

• Haylage and clover

• Triticale and oats

• Corn silage and alfalfa

What is the target pH for corn silage?

• 4

• 5

• 6

• 7

What by-product do U.S. dairy cows eat at the highest rate?

• Soybean Meal

• Corn distillers grains

• Almond hulls

• Beet pulp

What is the recommended goal for feed refusals for high-producing cows?

• 0%

• 1-3%

• 5-6%

• 8-10%

Baleage should be dried to what % dry matter?

• 27-33%

• 40-55%

• 60-65%

• 68-72%