J. D. Messana, T. T. Berchielli, P. B. Arcuri, A. F. Ribeiro, G. Fiorentini, e R. C. Canesin, “<b>Effects of different lipid levels on protozoa population, microbial protein synthesis and rumen degradability in cattle</b&gt; - doi: 10.4025/actascianimsci.v34i3.12729”, Acta Sci. Anim. Sci., vol. 34, nº 3, p. 279-285, fev. 2012.