Doreau et al., 2003. Livest. Prod. Sci., 81: 35-45 Document reference Doreau, M. ; Diawara, A., 2003. Effect of level of intake on digestion in cows:influence of animal genotype and nature of hay. Livest. Prod. Sci., 81: 35-45Web https://doi.org/10.1016/S0301-6226(02)00227-0Citation key Doreau et al., 2003