Roca-Fernández, A. I., A. González-Rodríguez, and O. P. Vázquez-Yáñez. “Effect of Pasture Allowance and cows’ Lactation Stage on Perennial Ryegrass Sward Quality, Pasture Dry Matter Intake and Milk Performance of Holstein-Friesian Cows”. Spanish Journal of Agricultural Research 10, no. 2 (March 15, 2012): 393-408. Accessed May 12, 2024. https://sjar.revistas.csic.es/index.php/sjar/article/view/1582.