1. AFRC/MAFF (1984). Final Report of the Joint Working Party on the Prediction of the Voluntary Intake of Ruminants under Farm Conditions
2. The effect of supplementation with maize starch and level of intake of perennial ryegrass (Lolium perenne cv. Endura) hay on the removal of digesta from the rumen of sheep
3. ARC (1980). The Nutrient Requirements of Ruminant Livestock., Slough, Commonwealth Agricultural Bureaux
4. Recent Advances in Animal Nutrition-1987;BEEVER,1987
5. Feeding systems and food intake by housed dairy cows