Roca-Fernandez, A., Gonzalez-Rodriguez, A., Vazquez-Yañez, O. P. and Fernandez-Casado, J. A. (2012) “Short communication. Effect of forage source (grazing vs. silage) on conjugated linoleic acid content in milk fat of Holstein-Friesian dairy cows from Galicia (NW Spain)”, Spanish Journal of Agricultural Research, 10(1), pp. 116-122. doi: 10.5424/sjar/2012101-127-11.