Effect of sampling site on concentration and fibrolytic activity of protozoa in bovine rumen contents C. Martin, E. Devillard, M. Fabre, L. Genestoux and B. Michalet-DoreauReprod. Nutr. Dev., 37 Suppl. 1 (1997) 42-43DOI: https://doi.org/10.1051/rnd:19970724