Highlights • Supplementary UVA wavelengths improved feather condition in male broiler chickens.• UV wavelengths reduced fear responses (tonic immobility duration) in broilers.• UV wavelengths improved walking ability (Bristol gait Score) in broiler chickens.• UV wavelengths have potential to improve broiler chicken welfare.

中文翻译：

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补充紫外线波长对肉鸡福利指标的影响

亮点 • 补充 UVA 波长改善了雄性肉鸡的羽毛状况。• 紫外线波长减少了肉鸡的恐惧反应（强直不动持续时间）。• 紫外线波长改善了肉鸡的行走能力（布里斯托尔步态评分）。• 紫外线波长有潜力改善肉鸡养鸡福利。