Manipulation of microbial protein supply and resultant performance of bullocks by increasing straw content in the diet N. Todorov, G. Ganev, D. Djurbinev, D. Djouvinov and R. GrigorovaAnn. Zootech., 46 1 (1997) 81-92DOI: https://doi.org/10.1051/animres:19970108
