1. BLAXTER, SIR KENNETH (1979). In Recent Advances in Animal Nutrition. Eds W. Haresign and D. Lewis. London; Butterworths
2. Energy allowances and feeding systems for ruminants;MAFF;Tech. Bull.,1975
3. WAINMAN, F.W., DEWEY, P.J.S. and BOYNE, A.W. (1981). Third Report (1981), Feedingstuffs Evaluation Unit, Rowett Research Institute. Edinburgh; DAFS
4. Some factors affecting the future composition of UK compound animal feeds;WILSON;Anim. Fd Sci. Technol.,1981