文章摘要
光照颜色对虹鳟行为反应、血浆皮质醇和生化指标的影响
Effects of light colors on behavior response, plasma cortisol and biochemical indexes of rainbow trout Onchorynchus mykiss
投稿时间:2020-08-08  修订日期:2020-10-10
DOI:
中文关键词: 虹鳟  光照颜色  鱼类行为  血浆皮质醇  生化指标
英文关键词: Onchorynchus mykiss  light color  fish behavior  plasma cortisol  biochemical index
基金项目:国家重点研发计划,深远海工业化大型养殖装备与模式 2019YFD0901003
作者单位邮编
刘晓 中国海洋大学 266003
黄六一 中国海洋大学 266003
刘长东 中国海洋大学 
盛化香 中国海洋大学 
黄杰鸿 中国海洋大学 
刘紫微 中国海洋大学 
李玉岩 中国海洋大学 
杨正 中国海洋大学 
任建钦 中国海洋大学 
邬骞力 中国海洋大学 
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中文摘要:
      光照是影响鱼类行为、生理以及生长的主要环境因子之一。为研究光照颜色对虹鳟行为反应、血浆皮质醇、血液生化指标的影响,本研究根据鱼类行为学研究方法,分别将白、红、黄、蓝、绿五种光照颜色灯带铺设在室内试验水槽中央底部,将虹鳟放置在水槽同一侧,观察虹鳟在水槽中穿越灯带尾次数及行为反应;根据行为生理学研究方法,分析比较在不同光照颜色下虹鳟血浆皮质醇、总蛋白(TP)、白蛋白(ALB)、甘油三酯(TG)、总胆固醇(TC)、谷草转氨酶(AST)、谷丙转氨酶(ALT)的含量差异。结果显示,五种光照颜色下虹鳟穿越灯带尾次数均低于对照组,其中虹鳟对黄光和白光有一定的趋避反应,且黄光的趋避效果最强;黄光条件下血浆皮质醇浓度显著高于对照组和其余四种光照颜色(P < 0.05),血浆中总蛋白(TP)、白蛋白(ALB)、甘油三酯(TG)、总胆固醇(TC)、谷草转氨酶(AST)、谷丙转氨酶(ALT)均具有显著差异(P < 0.05)。研究结果可为虹鳟的深远海网箱养殖光照补充和捕捞技术研究提供参考。
英文摘要:
      Light is one of the main environmental factors affecting fish behavior and physiology. The directional movement of fish to light stimulation is called phototaxis, which can be divided into positive phototaxis, negative phototaxis and neutral phototaxis. The changes of environmental factors will lead to different degrees of stress response in the fish and trigger a series of physiological changes in the body, thus affecting the behavior of the fish. The measurement of plasma cortisol is the most extensive method, and blood biochemical indexes can reflect the physiological status and health status of the fish. In order to study the effect of light color on behavior response, plasma cortisol and blood biochemical indexes of rainbow trout (Onchorynchus mykiss), , the light stripes of white, red, yellow, blue and green, were respectively laid at the bottom of the tank center, and rainbow trout were placed on the same side of the tank to observe the times and behavior response of rainbow trout crossing the light stripe in the tank, the contents of plasma cortisol, total protein (TP), albumin (ALB), triglyceride (TG), total cholesterol (TC), aspartame aminotransferase (AST) and alanine aminotransferase (ALT) in rainbow trout under different light colors were analyzed and compared. The results showed that the times of rainbow trout passing through the light stripe in five colors were all lower than those in the control group, among which rainbow trout had a certain negative effect on the yellow light and white light, and the yellow light had the strongest effect. Plasma cortisol concentration in yellow was significantly higher than that in the control group and the other four light colors (P < 0.05). Plasma total protein (TP), albumin (ALB), triglyceride (TG), total cholesterol (TC), aspartate aminotransferase (AST) and alanine aminotransferase (ALT) all showed significant differences (P < 0.05). The results of this study can provide reference for the study of light supplementation and fishing techniques in deep sea cage culture of rainbow trout.
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