de Oliveira, M.D.S. et al. 1999. Effect of collection methods of bovine ruminal fluid on ruminal and microbiological paramethers. Pesquisa Agropecuaria Brasileira. 34, 5 (May 1999), 867–871. DOI:https://doi.org/10.1590/S1678-3921.pab1999.v34.5263.