Effect of forage/concentrate ratio and soybean oil supplementation on milk yield, and composition from Sarda ewes Marcello Mele, Arianna Buccioni, Francesco Petacchi, Andrea Serra, Sebastiano Banni, Mauro Antongiovanni and Pierlorenzo SecchiariAnim. Res., 55 4 (2006) 273-285DOI: https://doi.org/10.1051/animres:2006019