Increasing nutrient availability of feather meal for ruminants and non-ruminants using an ammonia pressurisation/depressurisation process

aves de corral bovin cattle desechos digestibilidad digestibility digestion du rumen farine de plume feather meal feathers ganado bovino harina de plumas heat treatment plumas plume poultry procesamiento processing proteine proteins rumen rumen digestion rumiante ruminant ruminants traitement traitement thermique volaille wastes