光强度对青少年普通话鱼 (Siniperca chuatsi) 的生长性能和生理反应的影响
Yan Li1, Keying Chen1,2, Pengcheng Gao1
1East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai, 200090, China.
Marine biotechnology (New York, N.Y.)
|October 22, 2025
概括
对于幼鱼来说,最佳的光强度是150 lx. 这一水平增强生长,改善营养,减少压力,有利于水产养殖实践和鱼类福利.
科学领域:
- 水产养殖是水产养殖的一种方式.
- 鱼类生理学 鱼类生理学
- 环境科学环境科学
背景情况:
- 光强度是影响鱼类生长和生理学的关键环境因素.
- 了解最佳的光照条件对于高效的水产养殖和鱼类福利至关重要.
研究的目的:
- 为了研究不同强度的光对幼鱼 (Siniperca chuatsi) 的影响.
- 为了确定增长,营养,减轻压力和消化酶活动的最佳光强度.
主要方法:
- 年轻的普通鱼在66天内暴露在五种光强度 (0.150,450,650,1000lx) 中.
- 评估的生存率,生长性能 (SGR,WGR),营养成分 (原蛋白,脂肪,水分),消化酶活动和血激素水平 (皮质醇,黑激素).
主要成果:
- 幸存率不受光强度的影响.
- 最佳的生长,最高的原始蛋白质和脂肪含量,以及最低的湿度在150 lx.
- 消化酶活动在150 lx时达到峰值.
- 减少压力 (降低皮质醇) 和最佳的生理反应发生在150-450lx,在更高的强度下降黑激素.
结论:
- 150lx的照明水平对幼鱼的生长,营养和减轻压力是最有益的.
- 这些发现支持优化水产养殖照明,以改善鱼类生产和福利.
- 光强度管理是普通鱼水产养殖的一个关键因素.
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