Abstract
IT has been shown that some form of artificial lighting is necessary to achieve the most rapid gains of weight in broilers1. With controlled environments, light intensities of 0.1–6.0 ft.-c. gave equally good growth-rates in broiler chicks during the first eighteen days, and 12.0–24.0 ft.-c. produced slightly depressed growth-rates during this period2. A field scale survey has noted that in many broiler houses in Britain the light intensity is maintained at 0.05–0.20 ft.-c. as a control measure for the prevention of cannibalism3. An experiment is being conducted which has already compared three types of continuous lighting in relation to broiler performance.
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References
Clegg, R. E., and Sanford, P. E., Poult. Sci., 30, 760 (1951).
Barott, H. G., and Pringle, E. M., J. Nutr., 45, 265 (1951).
Payne, C. G., Brit. Vet. J., 117, 36 (1961).
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PAYNE, C. Colour and Density of Light and Broiler Performance. Nature 192, 769–770 (1961). https://doi.org/10.1038/192769a0
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DOI: https://doi.org/10.1038/192769a0
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