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在蓝光条件下,Synodontis eupterus对不同的饮食黑激素水平的繁殖反应
Agus Oman Sudrajat1, Shofihar Sinansari2, Harton Arfah1
1Department of Aquaculture, Faculty of Fisheries and Marine Sciences, IPB University, Bogor, Indonesia.
Animal reproduction science
|December 23, 2025
概括
饮食中补充黑素,特别是0.5毫克/千克,在蓝光下显著改善了尖叫鱼 (Synodontis eupterus) 的生殖性能. 这种增强包括更好的淋巴结成熟,伴生体质量和幼虫发育.
科学领域:
- 水产养殖是水产养殖的一种方式.
- 鱼类生殖生物学 鱼类生殖生物学
- 内分泌学 在内分泌学.
背景情况:
- 黑色素在调节鱼类的生殖周期中起着至关重要的作用.
- 蓝光照射可以影响鱼类的生理和行为.
- 优化繁殖动物营养对于成功的水产养殖生产至关重要.
研究的目的:
- 在蓝光条件下调查食中的黑激素对Synodontis eupterus生殖反应的影响.
- 确定最佳的饮食黑激素剂量,以提高性质和生殖成功.
- 评估黑激素对荷尔蒙特征和幼虫早期发育的影响.
主要方法:
- Synodontis eupterus繁殖动物在蓝色LED光下56天被食三种不同黑激素水平 (0,0.5和1毫克/公斤) 的饮食.
- 评估了繁殖参数,包括淋巴体指数 (GSI),肝体指数 (HSI),淋巴体组织学,荷尔蒙水平,伴生体质量,受精和化率.
- 鱼在水箱中单独养,并为不同的评估分配了特定的亚样本.
主要成果:
- 与对照组 (M0) 相比,0.5mg/kg黑激素组 (M0.5) 呈现出明显更高的女性和男性GSI,卵子直径和生育能力.
- 在M0.5组中,精子度,活力和运动性也得到改善.
- 在M0.5治疗中,受精,化率和幼虫早期生存和生长率最高,即使在1mg/kg剂量中也没有发现显著的抑制作用.
结论:
- 摄入0.5毫克/千克的黑激素剂量,与蓝光相结合,有效地提高了Synodontis eupterus的淋巴体成熟,伴生体质量和早期幼虫表现.
- 这些发现表明,黑激素补充剂可以成为改善水产养殖中这种物种繁殖效率的有价值工具.
- 建议通过更大的实验复制进行进一步的研究,以验证这些结果.
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