Agricultural and Food Research Council. 1990. Technical Committee on Responses to Nutrients. Report number 5. Nutritive requirements of ruminant animals: energy. Nutrition Abstracts and Reviews, Series B 60: 729–804.
Agricultural and Food Research Council. 1993. Energy and protein requirements of ruminants. CAB International, Wallingford, UK
Agricultural Research Council. 1980. The nutrient requirements of ruminant livestock. Commonwealth Agricultural Bureaux, Slough.
Aston, K., Thomas, C., Daley, S. R. and Sutton, J. D. 1994. Milk production from grass silage diets: effects of the composition of supplementary concentrates. Animal Production 59: 335–344.
Beever, D. E., Cammell, S. B., Sutton, J. D., Spooner, M. C., Haines, M. J. and Harland, J. I. 1989. Effect of concentrate type on energy utilisation in lactating dairy cows. In Energy metabolism of farm animals (ed. Honing, Y. van der and Close, W. H.), pp. 33–36. European Association for Animal Production publication no. 43.
Beever, D. E., Sutton, J. D., Cammell, S. B., Haines, M. J., Spooner, M. C. and Harland, J. I. 1991. Energy balance for dairy cows given grass silage with either barley or molassed sugar beet feed in the concentrates. Animal Production 52: 573–574 (abstr.).
Buchanan-Smith, J. G. 1990. An investigation into palatability as a factor responsible for reduced intake of silage by sheep. Animal Production 50: 253–260.
Butler, T. M. 1973. A comparison between concentrates containing barley-soyabean meal and dried molassed beet pulp-groundnut meal for milk production. Irish Journal of Agricultural Research 12: 329–331.
Castle, M. E., Gill, M. S. and Watson, J. N. 1981. Silage and milk production: a comparison between barley and dried sugar-beet pulp as silage supplements. Grass and Forage Science 36: 319–324.
Cooper, S. D. B., Kyriazakis, I., Nolan, J. V. and Anderson, D. H. 1995. Diet selection in sheep: the role of the rumen environment in the selection of a diet from two feeds that differ in their energy density. British Journal of Nutrition 74: 39–54.
Dulphy, J. P. and Faverdin, P. 1987. L'ingestion alimentaire chez les ruminants: modalites et phenomenes associes. Reproduction, Nutrition, Development 27: 129–155.
Elizalde, H. F. 1993. Studies on the effects of chemical and physical characteristics of grass silage and degree of competition per feeding space on the feeding behaviour of lactating dairy cows. Ph.D. thesis, Queen's University Belfast.
Forbes, J. M. 1995. Voluntary food intake and diet selectors farm animals. CAB International Publications, Oxon, U.K.
Forbes, J. M., Jackson, D. A., Johnson, C. L., Stockill, P. and Hoyle, B. S. 1986. A method for the automatic monitoring of food intake and feed behaviour of individual cattle kept in groups. Research and Development in Agriculture 3: 175–180.
Gill, M., Sargeant, A. and Evans, R. T. 1987. The effect of type of silage and level of concentrate on pattern of eating in dairy cows. Proceedings of the eighth silage conference, Hurley, pp. 63–64.
Gordon, F. J., Porter, M. G., Mayne, C. S., Unsworth, E. F. and Kilpatrick, D. J. 1995. Effect of forage digestibility and type of concentrate on nutrient utilization by lactating dairy cattle. Journal of Dairy Research 62: 15–27.
Huhtanen, P. 1993. The effects of concentrate energy source and protein content on milk production in cows given grass silage ad libitum. Grass and Forage Science 48: 347–355.
Huhtanen, P., Jaakkola, S. and Saarisalo, E. 1995. The effects of concentrate energy source on the milk production of dairy cows given a grass silage-based diet. Animal Production 60: 31–40.
Keady, T. W. J., Mayne, C. S. and Marsden, M. 1998. The effects of concentrate energy source on silage intake and animal performance with lactating dairy cows offered a range of grass silages. Animal Science 66: 21–33.
Keady, T. W. J. and Murphy, J. J. 1998. A note on the preferences for, and rate of intake of, grass silages by dairy cows. Irish journal of Agricultural and Food Research 37: 87–91.
Lofgren, P. D. and Warner, R. G. 1972. Relationship of dietary caloric density and certain blood metabolites to voluntary feed intake in mature wethers. Journal of Animal Science 35: 1239–1247.
Mayne, C. S. and Gordon, F. J. 1984. The effect of type of concentrate and level of concentrate feeding on milk production. Animal Production 39: 65–76.
Phipps, R. H., Sutton, J. D., Weller, R. F. and Bines, J. A. 1987. The effect of concentrate composition and method of silage feeding on intake and performance of lactating cows. Journal of Agricultural Science, Cambridge 109: 337–343.
Sloan, B. K., Rowlinson, P. and Armstrong, D. G. 1987. A note on concentrate energy source for dairy cows in mid lactation. Animal Production 45: 321–323.
Sloan, B. K., Rowlinson, P. and Armstrong, D. G. 1988. Milk production in early lactation dairy cows given grass silage ad libitum: influence of concentrate energy source, crude protein content and level of concentrate feeding. Animal Production 46: 317–331.
Steen, R. W. J., Gordon, F. J., Mayne, C. S., Poots, R. E., Kilpatrick, D. J., Unsworth, E. F., Barnes, R. J., Porter, M. G. and Pippard, C. J. 1995. Prediction of the intake of grass silage by cattle. In Recent advances in animal nutrition 1995 (ed. Garnsworthy, P. C. and Cole, D. J. A.), pp. 67–89. Nottingham University Press.
Sutton, J. D., Cammell, S. B., Beever, D. E., Haines, M. J., Spooner, M. C. and Harland, J. I. 1991. The effect of energy and protein sources on energy and nitrogen balances in Friesian cows in early lactation. In Energy metabolism of farm animals (ed. Wenk, C. and Boessinger, M.), pp. 288–291. European Association for Animal Production publication no. 58.
Sutton, J. D., Daley, S. R., Haines, M. J. and Thomson, D. J. 1988. Comparison of dried molassed and unmolassed sugar-beet feed and barley at two protein levels for milk production in early lactation. Animal Production 46: 490 (abstr.).
Thomas, C., Aston, K., Daley, S. R. and Bass, J. 1986. Milk production from silage. 4. The effect of the composition of the supplement. Animal Production 42: 315–325.
Yan, T., Gordon, F. J., Agnew, R. E., Porter, M. G. and Patterson, D. C. 1997. The metabolisable energy requirement for maintenance and the efficiency of utilisation of metabolisable energy for lactation by dairy cows offered grass silage-based diets. Livestock Production Science 51: 141–150.