Effects of He-Ne laser irradiation on improving laying ability of hens
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Model 84-2 veterinary He-Ne laser therapy apparatus was used for scanning the spots of internal canthus and crown of the hens for 10 seconds lasted for 10 days with the power of 3 mw. The later 5 weeks' observation showed that the He-Ne laser irradiation has significant effect in increasing the laying rate and the average egg weight, decreasing the broken-egg rate and soft-shelled egg rate. More experiments should be made in poultry production.
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Jiguang Zazhi/Laser Journal