Research progress on effect of light on poultry production
Light is one of the important environmental factors affecting poultry productivity.In this paper,the effects of light source,wavelength,intensity and rhythm on growth,slaughter,immune and reproductive performance of poultry were reviewed.LED(Light Emitting Diodes)is applicable for poultry production;short wavelength light could improve embryonic development,production performance,slaughter performance and muscle quality of poultry,while long-wavelength light mainly affects reproduc-tive performance,and the combined use of short-wavelength light is better than that of single use;high illumination intensity is harmful to poultry growth.A reasonable intermittent light system could improve poultry production and reproduction performance,while a continuous long-term light system is not good for the growth performance,slaughter performance and welfare.
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