Activity of supplemental enzymes and their effect on nutrient utilization and growth performance of growing chickens as affected by pelleting temperature

aliment pour animaux azote broiler chickens cellulase celulasa chicks crecimiento croissance energia energie energy enzyme preparations enzymic activity feed conversion efficiency feed intake feeds gain de poids ganancia de peso granulos comprimidos growth nitrogen pellet pellets piensos pollito pollo de engorde poulet de chair poussin prise alimentaire (animaux) procesamiento processing temperatura temperature traitement viscosidad viscosity weight gain