Effects of different monochromatic LED light colours on tear production, intraocular pressure and corneal thickness in broilers.

IF 1.7 3区农林科学 Q2 AGRICULTURE, DAIRY & ANIMAL SCIENCE

British Poultry Science Pub Date : 2026-10-01 Epub Date: 2026-03-13 DOI:10.1080/00071668.2026.2630730

R Yaygingül, E Dereli Fidan, M Kaya

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Abstract

1. This study investigated the effects of different monochromatic light-emitting diode (LED) light colours on tear production, intraocular pressure and corneal thickness in broiler chickens, and to identify any correlations among these ocular parameters.2. A total of 72 male broilers (144 eyes) were used. One-d-old chicks were randomly assigned to six experimental groups (white, blue, green, blue-green-blue, green-blue-green and white-blue-green LED light; n = 12). Lighting was provided using LED bulbs under identical environmental and management conditions.3. At 42 d of age, 12 birds per group were randomly selected for ophthalmological examination, including the Schirmer tear test I (STT I), intraocular pressure measurement (IOP) and central corneal thickness assessment. At the animal level, without distinguishing between right and left eyes, a significant difference was observed in central corneal thickness between birds in the white LED group and the other treatments.4. Monochromatic LED light colours affected only central corneal thickness, while tear production and intraocular pressure remained unaffected. The changes in corneal thickness observed under different light colours were within normal physiological limits, which indicated no adverse effect on ocular health in broiler chickens.

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不同单色LED光对肉鸡泪液分泌、眼压和角膜厚度的影响。

1. 本实验研究了不同单色发光二极管（LED）光色对肉鸡泪液分泌、眼压和角膜厚度的影响，并探讨了这些眼部参数之间的相关性。选用公肉鸡72只（144只眼）。1龄雏鸡随机分为白色、蓝色、绿色、蓝-绿-蓝、绿-蓝-绿、白-蓝-绿LED 6个实验组，n = 12。在相同的环境和管理条件下，使用LED灯泡照明。42日龄时，每组随机选取12只鸡进行眼科检查，包括Schirmer撕裂试验I （STT I）、眼压测量（IOP）和角膜中央厚度评估。在动物水平上，在不区分左右眼的情况下，白色LED组和其他处理组的鸟类角膜中央厚度有显著差异。单色LED光只影响角膜中央厚度，而泪液产生和眼压不受影响。在不同光色下观察到的角膜厚度变化均在正常生理范围内，对肉鸡眼部健康无不良影响。

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来源期刊

British Poultry Science 农林科学-奶制品与动物科学

CiteScore

3.90

自引率

5.00%

发文量

审稿时长

4.5 months

期刊介绍： From its first volume in 1960, British Poultry Science has been a leading international journal for poultry scientists and advisers to the poultry industry throughout the world. Over 60% of the independently refereed papers published originate outside the UK. Most typically they report the results of biological studies with an experimental approach which either make an original contribution to fundamental science or are of obvious application to the industry. Subjects which are covered include: anatomy, embryology, biochemistry, biophysics, physiology, reproduction and genetics, behaviour, microbiology, endocrinology, nutrition, environmental science, food science, feeding stuffs and feeding, management and housing welfare, breeding, hatching, poultry meat and egg yields and quality.Papers that adopt a modelling approach or describe the scientific background to new equipment or apparatus directly relevant to the industry are also published. The journal also features rapid publication of Short Communications. Summaries of papers presented at the Spring Meeting of the UK Branch of the WPSA are published in British Poultry Abstracts .