1. AFRC, 1993. Energy and protein requirements of ruminants. CAB International, Wallingford, UK.
2. Berthelot, V., Bas, P., Schmidely, P., Duvaux-Ponter, C., Sauvant, D., 1998. Effect of dietary propionate on fatty acid composition of lamb adipose tissues. Proceedings of the 8th Meeting on Nutrition of Sheep and Goats INAPG-Grignon, France, p. 75 (Abstract).
3. Emmans, G.C., Cropper, M., Dingwall, W.S., Brown, H., Oldham, J.D., Harland, J.I.H., 1989. Efficiencies of the use of the metabolizable energy from foods based on barley or sugar beet feed in immature sheep. Anim. Prod. 48, p. 634 (Abstract).
4. Growth, hormonal, hormonal and metabolic response of post-pubertal entire male cattle to trenbolone acetate and hexoestrol;Galbraith;Anim. Prod.,1980
5. Galbraith, H., McCulloch, T., Scaife, J.R., Keeling, B.J., 1988. Effect of barley, sugar beet pulp and protein level in the diet on growth, body composition and blood metabolites and insulin concentration of entire male lambs. Anim. Prod. 46, p. 514 (Abstract)