Forbes, J.M. (1988) Metabolic aspects of the regulation of voluntary food intake and appetite.
Nutrition Research Reviews 1, 145–168.
Forbes, J.M. (1995) Voluntary Food Intake and Diet Selection in Farm Animals. CAB International,
Wallingford, UK.
Forbes, J.M. and Kyriazakis, I. (1995) Food preferences in farm animals: Why don’t they always
choose wisely? Proceedings of the Nutrition Society 54, 429–440.
Hervey, G.R. (1959) The effects of lesions in the hypothalamus in parabiotic rats. Journal of
Physiology 145, 336.
Houseknecht, K.L., Baile, C.A., Matteri, R.L. and Spurlock, M.E. (1998) The biology of leptin: a
review. Journal of Animal Science 76, 1405–1420.
Kutlu, H.R. and Forbes, J.M. (1993) Self-selection of ascorbic acid in coloured foods by heat-stressed
broiler chicks. Physiology and Behavior 53, 103–110.
Kyriazakis, I. and Oldham, J.D. (1993) Diet selection in sheep: the ability of growing lambs to select a
diet that meets their crude protein (nitrogen 6.25) requirements. British Journal of Nutrition
69, 617–629.
Kyriazakis, I., Emmans, G.C. and Whittemore, C.T. (1990) Diet selection in pigs: choices made by
growing pigs given foods of different protein concentrations. Animal Production 51, 189–199.
Leek, B.F. and Harding, R.H. (1975) Sensory nervous receptors in the ruminant stomach and the
reflex control of reticulo-ruminal motility. In: McDonald, I.W. and Waner, A.C.I. (eds) Digestion
and Metabolism in the Ruminant. England Publishing Units, Armidale, New South Wales,
pp. 60–76.
Leuvenink, H.G.D., Bleumer, E.J.B., Bongers, L.J.G.M., Van Bruchem, J. and Van der Heide, D. (1997)
Effect of short-term propionate infusion on feed intake and blood parameters in sheep.
American Journal of Physiology 272, E997–E1001.
Mbanya, J.N., Anil, M.H. and Forbes, J.M. (1993) The voluntary intake of hay and silage by lactating
cows in response to ruminal infusion of acetate or propionate, or both, with and without
distension of the rumen by a balloon. British Journal of Nutrition 69, 713–720.
Parrott, R.F., Heavens, R.P. and Baldwin, B.A. (1986) Stimulation of feeding in the satiated pig by
intracerebroventricular injection of neuropeptide Y. Physiology and Behavior 36, 523–525.
Shariatmadari, F. and Forbes, J.M. (1993) Growth and food intake responses to diets of different
protein contents and a choice between diets containing two levels of protein in broiler and layer
strains of chicken. British Poultry Science 34, 959–970.
Shurlock, T.G.H. and Forbes, J.M. (1981a) Factors affecting food intake in the domestic chicken: the
effect of infusions of nutritive and non-nutritive substances into the crop and duodenum.
British Poultry Science 22, 323–331.
Shurlock, T.G.H. and Forbes, J.M. (1981b) Evidence for hepatic glucostatic regulation of food intake
in the domestic chicken and its interaction with gastrointestinal control. British Poultry Science
22, 333–346.
Taouis, M., Chen, J.W., Daviaud, C., Dupont, J., Derouet, M. and Simon, J. (1998) Cloning the chicken
leptin gene. Gene 208, 239–242.
Vandeermeerschen-Doize, F., Bouchat, J.C., Bouckoms-Vandermeir, M.A. and Paquay, R. (1983)
Effects of long-term ad libitumfeeding on plasma lipid components and blood glucose, -
hydroxybutyrate and insulin concentrations in lean adult sheep. Reproduction, Nutrition,
Développement 23, 51–63.
Villalba, J.J. and Provenza, F.D. (1997) Preference for flavoured foods by lambs conditioned with
intraruminal administration of nitrogen. British Journal of Nutrition 78, 545–561.
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