Animal Science Unit 4.03

What is a key selection criterion for cows in beef cattle?

• Low milk production

• High birth weight calves

• Small frame size

• High fertility rates

Which of the following is a selection criterion for bulls in beef cattle?

• Small frame size

• Low weaning weights

• Structurally correct feet and legs

• High feed-to-gain ratio

What is an important trait for feeder cattle?

• Low average daily gain

• High feed-to-gain ratio

• Medium to large frame size

• Low fertility rates

Which trait is important for replacement heifers?

• Structurally correct with sound feet and legs

• Aggressive disposition

• High birth weight

• Low milk production

What is a key factor in selecting dairy cattle?

• Small frame size

• Accurate and reliable records

• Low milk production

• High somatic cell score

Which record is important for dairy cattle selection?

• Horn length

• Color pattern

• Pedigree

• Tail length

What is a preferred trait for dairy cattle udders?

• Unevenly balanced quarters

• Poorly placed teats

• Well-attached udder

• Held below the hocks

What is a selection criterion for breeding swine?

• Excessive waste in hams

• Weak pastern

• High feed per pound of gain rate

• Physical soundness

What is an ideal trait for market swine?

• Weak muscling

• Excessive backfat

• Short and narrow-bodied

• Tight-middled and smooth blending body

What is a key selection criterion for broilers?

• Low average daily gain

• High feed conversion ratio

• Desirable feathering

• Small carcass weight