Use of industrial amino acids to allow low protein concentrations in finishing diets for growing Muscovy ducks

alimentation des animaux amino acids animal feeding canard canard de barbarie diet dieta ducks engorde engraissement fattening feed conversion efficiency feed intake gain de poids ganancia de peso lisina liveweight gain lysine meat yield methionine metionina muscovy ducks pato patos muscovy prise alimentaire (animaux) proteine proteins rendement en viande threonine treonina triptofano tryptophan tryptophane weight gain