TY - SER AU - Messana,J.D. AU - Berchielli,T.T. AU - Arcuri,P.B. AU - Ribeiro,A.P. AU - Fiorentini,G. AU - Canesin,R.C. TI - Effects of different lipid levels on protozoa population, microbial protein synthesis and rumen degradability in cattle KW - BOVINO KW - LIPIDIO KW - PROTEINA MICROBIANA KW - RUMINAÇÃO ER -