livestock eval test 1

which trait in sheep has the lowest heritability estimate

• yearling weight

• feed efficiency

• rib eye area

• mature weight

which vitamin do animals tend to produce enough of so that it doesn't need to be included as a specific nutrient in their rations?

• vitamin c

• vitamin a

• vitamin d

• vitamin e

which amino acid listed is essential in swine rations?

• proline

• arginine

• alanine

• glycine

what is the primary environmental factor that affects the efficiency of energy from feed consumption of farm animals?

• air temperature

• humidity

• wind

• precipitation

livestock production faces the greatest scrutiny and potential lawsuits in which of the following areas

• facilities design

• predator control

• nutrition values

• waste management

most present day sheep descended from the wild sheep called moufflons and _____

• markhors

• meleagris

• asiatic urial

• struthis camelus

which of the following terms refers to adapting the behavior of animals to fit the need of humans is called?

• training

• culling

• domestication

• imprinting

mating animals of the same breed is referred to as which of the which of the following?

• straightbreeding

• linebreeding

• grading up

• inbreeding

which is the oldest breed of cattle developed in the united states using brahman as a foundation breed based on breeding records and NOT the formation of the breed association?

• beefmaster

• santagertrudis

• brangus

• braford

which of the following beef cattle breeds has the heaviest birth weight for calves of either sex for performing testing?

• angus

• main anjou

• chianina

• limousin