[Use of feed enzymes in pig feeding]

additif aux aliments des animaux aditivos de piensos age cell walls cellulase celulasa cerdo cereales forrajeros crecimiento croissance desechos alimentarios digesta digestibilidad digestibility edad engorde engraissement enzyme preparations enzymic activity faba beans fattening feed additives feed cereals feed conversion efficiency food wastes glicosidasas glycosidase glycosidases growth guisante haba hidrolasas hydrolase hydrolases ingestion de substances nutritives intestin intestines intestinos monosaccharide monosaccharides nutrient intake nutrientes nutrients pared celular paroi cellulaire peas piglets pois polyholoside polysaccharides porcelet porcin proteasas protease proteases substance nutritive swine viscosidad viscosity