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Behavioural adaptation of two genetic stocks of broilers to protein/energy dietary choice

  • M. Picard (a1), P. B. Siegel (a2), P. A. Geraert (a3), G. Uzu (a3) and P. E. V. Williams (a3)...

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Chickens have been selected for millenniums on their ability to select food in complex and variable environments. Artificial selection for juvenile body weight using a single balanced food might have modified the ability of chickens to adapt to a choice feeding situation (Siegel and Dunnington, 1990). However, diet selection for protein has been demonstrated in many recently published experiments (for review: Forbes and Shariatmadari, 1994).

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Bennett, B. M. 1968. Rank-order tests of linear hypotheses. Journal of the Royal Statistical Society Senes B 30:483489.
Forbes, J. M. and Shariatmadari, F. 1994. Diet selection for protein by poultry. World’s Poultry Science Journal 50: 724.
Picard, M., Siegel, P. B., Geraert, P. A., Uzu, G. and Williams, P. E. V. 1996. Broiler: Five genetic stocks of different growth rate choose the same protein/energy balance. In Animal choices (ed. Forbes, J. M., Lawrence, T. L. J., Rodway, R. G. and Varley, M. A.). British Society of Animal Science occasional publication no. 20, pp. 117118.
Savory, C. J. and Maros, K. 1993. Influence of degree of food restriction, age and time of the day on behaviour of broiler breeder chickens. Behavioural Processes 29: 179190.
Siegel, P. B. and Dunnington, E. A. 1990. Behavioral genetics. In Poultry breeding and genetics (ed. Crawford, R. D.), pp. 877895. Elsevier, Amsterdam.

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