The rearing and fattening of lambs with Avotan [Avoparcin] administration

absorption de substances nutritives additif aux aliments des animaux agneau aliment pour animaux antibiotics antibiotique application rates consommation alimentaire (animaux) consumo de piensos cordero costos costs dose d'application engorde engraissement fattening feed additives feed consumption feed conversion efficiency feeds gain de poids ganancia de peso lambs nutrient uptake peso piensos poids weight weight gain