TY - JOUR T1 - Effects of different lipid levels on protozoa population, microbial protein synthesis and rumen degradability in cattle JO - Acta Scientiarum. Animal Sciences A1 - Messana, Juliana Duarte A1 - Berchielli, Telma Teresinha A1 - Arcuri, Pedro Braga A1 - Ribeiro, Andressa Ferreira A1 - Fiorentini, Giovani A1 - Canesin, Roberta Carrilho SN - 1807-8672 UL - 10.4025/actascianimsci.v34i3.12729 VL - 34 Y1 - 2012 PB - Brasil ER -