N. Gonz?lez, J. Galindo, A. I. Aldana, O. Moreira, and L. Sarduy, “Effect of different inclusion levels of Morus alba Linn cv. Cubana on the methane fermentation and production under in vitro conditions with rumen liquor from river buffaloes (Bubalus bubalis)”, Cuban J. Agric. Sci., vol. 46, no. 2, May 2012.