Ibrahim et al., 1989. Anim. Feed Sci. Technol., 24: 83-95 Document reference Ibrahim, M. N. M. ; Tamminga,S. ; Zemmerlink, G., 1989. Effect of urea treatment on rumen degradation characteristics of rice straw. Anim. Feed Sci. Technol., 24: 83-95Web http://www.sciencedirect.com/science/article/pii/0377840189900229Citation key Ibrahim et al., 1989Datasheets Rice straw