Kawas et al., 1990. J. Anim. Sci., 68 (12): 4376-4386 Document reference Kawas, J. R. ; Jorgensen, N. A. ; Lu, C. D., 1990. Influence fo alfalfa maturity on feed intake and site of nutrient digestion in sheep. J. Anim. Sci., 68 (12): 4376-4386Web https://doi.org/10.2527/1990.68124376xCitation key Kawas et al., 1990