The effect of Saccharomyces cerevisiae and Aspergillus oryzae on fermentations in the rumen of faunated and defaunated sheep; protozoal and probiotic interactions F. Mathieu, JP Jouany, J. Sénaud, J. Bohatier, G. Bertin and M. MercierReprod. Nutr. Dev., 36 3 (1996) 271-287DOI: https://doi.org/10.1051/rnd:19960305