Agricultural and Food Research Council 1995. Energy and Protein Requirements of Ruminants. An advisory manual prepared by the AFRC Technical Committee on Responses to Nutrients. CAB INTERNATIONAL, Wallingford, UK.
Agricultural Research Council 1980. The nutrient requirements of ruminant livestock. Technical review by an Agricultural Research Council Working Party. Commonwealth Agricultural Bureaux, Farnham Royal, UK.
Anderson, PT, Hawkins, DR, Bergen, WG and Merkel, RA 1988. A note on the dry matter intake and composition of gain of Simmental bulls and steers fed to the same weight or age. Animal Production 47, 493-496.
Bastiman, B 1975. The effect of different levels of protein in diets for intensive beef. Experimental Husbandry 29, 54-60.
Bergen, BG and Merkel, RA 1991. Protein accretion. In Growth regulation in farm animals (ed. Pearson, AM and Dutson, TR), pp. 169-202. Elsevier Applied Science, Amsterdam.
Bethard, GL, James, RE and McGilliard, ML 1997. Effect of rumen undegradable protein and energy on growth and feed efficiency of growing Holstein heifers. Journal of Dairy Science 80, 2149-2155.
Campbell, RG 1988. Nutritional constraints to lean tissue accretion in farm animals. Nutritional Research Reviews 1, 233-253.
Cottrill, BR, Beever, DE, Austin, AR and Osbourne, DF 1982. The effect of protein and non-protein nitrogen supplements to maize silage on total amino acid supply in young cattle. British Journal of Nutrition 48, 527-541.
Cottrill, BR and Osbourne, DF 1977. The effect of source of nitrogen and energy supplementation on the utilisation of maize silage by young calves. Animal Production. 24, 127A.
De Boer, H, Dumont, BL, Pomeroy, RW and Weniger, JH 1974. Manual on EAAP methods for the assessment of carcass characteristics in cattle. Livestock Production Science 1, 151-164.
Kay, M and Macdearmid, A 1973. A note on the effects of changing the concentration of protein in the diets offered to fattening beef cattle. Animal Production 16, 205-207.
Kempster, AJ, Cuthbertson, A and Harrington, G 1982. Carcass evaluation in livestock breeding, production and marketing. Granada, St Albans.
Kempster, AJ, Coog, GJ and Southgate, FR 1988. Evaluation of British Friesian, Canadian Holstein and beef breed x British Friesian steers slaughtered over a commercial range of fatness from 16 month and 24 month beef production systems. 2. Carcass characteristics, and rate and efficiency of lean gain. Animal Production 46, 365-378.
MacRae, JC and Armstrong, DG 1968. Enzyme method for determination of alpha-linked glucose polymers in biological materials. Journal of the Science of Food and Agriculture 19, 578-581.
Ministry of Agriculture, Fisheries and Food 1982. The feedingstuffs (sampling and analysis), regulatory instrument no. 1144. HMSO, London, UK.
Ministry of Agriculture, Fisheries and Food 1986. The analysis of agricultural materials. . HMSO, London, UK.
Ministry of Agriculture, Fisheries and Food 1993. Prediction of the energy values of compound feedingstuffs for farm animals. MAFF Publications, London, UK.
Newbold, JR, Garnsworthy, PC, Buttery, PJ, Cole, DJA and Haresign, W 1990. Protein nutrition of growing cattle: food intake and growth responses to rumen degradable protein and undegradable protein. Animal Production 45, 383-394.
Ørskov, ER and Mehrez, AZ 1977. Estimation and extent of protein degradation from basal feeds in the rumen of sheep. Proceedings of the Nutrition Society 36, A78.
Simm, G 1998. Genetic improvement of cattle and sheep. Farming Press, Miller Freeman, Ipswich, UK.
Thomas, C, Wilkinson, JM and Tayler, JC 1975. The utilisation of maize silage for intensive beef production. I. The effect of level and source of supplementary nitrogen on the utilisation of maize silage by cattle of different ages. Journal of Agricultural Science, Cambridge 84, 365-372.
Tomlinson, Dl, James, RE, Bethard, GL and McGilliard, ML 1997. Influence of undegradability of protein in the diet on intake, daily gain, feed efficiency, and body composition of Holstein heifers. Journal of Dairy Science 80, 943-948.
Wilkinson, JM, Lonsdale, CR and Tayler, JC 1973. The growth of beef cattle fed on maize silage supplemented with dried Lucerne, fishmeal or urea. Journal of the British Grassland Society 28, 13-19.