Effects of Isotricha, Eudiplodinium, Epidinium + Entodinium and a mixed population of rumen protozoa on the in vitro degradation of fish meal, soybean meal and casein

casein caseina degradation digestion farine de poisson fish meal harina de pescado holotrichia (protozoa) in vitro experimentation microorganismos del rumen mode of action nitrogen metabolism proteine proteins protozoa rumen rumen microorganisms soybean meal spirotrichia suplementos supplements tortas de soja tourteau de soja