Sauvant et al., 1985. Anim. Feed Sci. Technol., 13 (1-2): 7-23 Document reference Sauvant, D. ; Bertrand, D. ; Giger, S., 1985. Variations and prevision of the in sacco dry matter digestion of concentrates and by-products. Anim. Feed Sci. Technol., 13 (1-2): 7-23Web http://www.sciencedirect.com/science/article/pii/0377840185900380Citation key Sauvant et al., 1985