VANHATALO, A., GÄDDNÄS, T. and HEIKKILÄ, T. 2006. Microbial protein synthesis, digestion and lactation responses of cows to grass or grass-red clover silage diet supplemented with barley or oats. Agricultural and Food Science. 15, 3 (Jan. 2006), 252–267. DOI:https://doi.org/10.2137/145960606779216236.