Perez-Torres, A., I. Sierra, A. de Vega, and A. Keli. “Effect of Grinding Size and Sunflower Oil Addition on Intake, Digestibility, Rumen Function and Microbial Protein Synthesis in Sheep Fed a Dry Total Mixed Ration”. Spanish Journal of Agricultural Research 9, no. 4 (November 29, 2011): 1186-1196. Accessed August 2, 2026. https://sjar.revistas.csic.es/index.php/sjar/article/view/1575.