Sistemas ecológicos de producción animal.

Blanco-Penedo I, Lundh T, Holtenius K, Falll N & Emanuelson U. 2014. The status of essential elements and associations with milk yield and the occurrence of mastitis in organic and conventional dairy herds. Livestock Science 168: 120–127.
Díaz A, Carro Travieso MD, Palacios C, Mateos I, Saro C, Tejido ML & Ranilla MJ. 2014. Nutritive value for ruminants of winter oats-legume intercrops in organic cultivation. Animal Production Science 54: 1791-1795.
Velarde A, Fàbrega E, Blanco-Penedo I & Dalmau A. 2015. Animal welfare towards sustainability in meat production. Meat Science 109: 13–17.