Effect of degradable protein content and metabolizable energy concentration of the diet [sheep] on in situ utilization of different protein sources

alimentation des animaux alimentazione zootecnica animal feeding blood meal concentrates concentrati contenido proteico contenuto proteico diet dieta digestibilidad digestibility digestible nitrogen energy value farina di piume farina di sangue farina di soia farine de plume farine de sang farine de soja feather meal fermentation fermentazione gastrointestinal motility harina de plumas harina de sangre harina de soja movilidad gastrointestinal ovin ovini ovinos piensos concentrados protein content rumen rumine sheep soybean flour valore energetico