... 9.3 14.5 17 .2 22. 0 13.5 21 .3 17.9 12. 9 9.9 16.4 15 .2 0.56 0.88 1.04 1.33 0. 82 1 .29 l l l l l 19.9 14 .2 17.7 16.4 22 .1 16.0 20 .7 19.1 19.6 1.33 0.95 1.18 1.09 54.5 EM 10.5 l 0. 52 l 17 .2 l 0.86 l ... Design and interpretation of nutrient digestion studies Journal of Animal Science 75, 22 35 22 47 Digesta Flow 85 Topps, J.H., Kay, R.N.B and Goodall, E.D (1968) Digestion of concentrate and of hay ... Rate of passage studies Journal of the Science of Food and Agriculture 31, 625 –6 32 Ulyatt, M.J and MacRae, J.C (1974) Quantitative digestion of fresh herbage by sheep The sites of digestion of...