光照周期对中华绒螯蟹扣蟹摄食习性和肝胰腺酶活性的影响

doi:10.13292/j.1000-4890.202306.019

生态学杂志 ›› 2023, Vol. 42 ›› Issue (6): 1402-1408.doi: 10.13292/j.1000-4890.202306.019

光照周期对中华绒螯蟹扣蟹摄食习性和肝胰腺酶活性的影响

李春波^1,2,冯广朋^1,2*,庄平¹,张涛¹,宋超¹,伍烨菱^1,2

（¹中国水产科学研究院东海水产研究所，上海长江口渔业资源增殖和生态修复工程技术研究中心，上海 200090； ²上海海洋大学水产与生命学院，上海 201306）

出版日期:2023-06-10 发布日期:2023-06-05

Effects of photoperiod on feeding habit and hepatopancreatic enzyme activity of button-sized Eriocheir sinensis.

LI Chunbo^1,2, FENG Guangpeng^1,2*, ZHUANG Ping¹, ZHANG Tao¹, SONG Chao¹, WU Yeling^1，2

(¹East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai Engineering Research Center of Fisheries Resources Enhancement and Ecological Restoration of the Yangtze Estuary, Shanghai 200090, China; ²College of Fisheries and Life Science, Shanghai Ocean University, Shanghai 201306, China).

Online:2023-06-10 Published:2023-06-05

摘要/Abstract

摘要： 选取360只体重为（10.04±1.03）g的中华绒螯蟹（Eriocheir sinensis）扣蟹，设置全光照（24L）、全黑暗（24D）和仿自然光照（10D∶14L）3个光照周期，研究光照周期对扣蟹的摄食量、摄食节律及肝胰腺酶活性的影响。结果表明：10D∶14L组扣蟹摄食量明显多于24D组，但24L组摄食量与其他两组之间均无显著性差异；24D组和10D∶14L组在白天和夜晚的摄食量存在显著性差异；24L组扣蟹在各时间点的摄食量无显著性差异，在10:00—13:00以及22:00—01:00时摄食量最高；24D组扣蟹在各时间点的摄食量存在显著性差异，在01:00—04:00摄食量最高，明显高于其他时间点；10D∶14L组扣蟹在各时间点的摄食量存在显著性差异，同样在01:00—04:00摄食量最高；在肝胰腺酶活性方面：24L组淀粉酶、碱性磷酸酶活性在01:00和13:00达到最高峰，脂肪酶活性在01:00达到最高峰，Na⁺/K⁺-ATP酶活性在04:00达到最高峰；24D组淀粉酶、脂肪酶、Na⁺/K⁺-ATP酶、碱性磷酸酶活性均在04:00达到最高峰；10D∶14L组淀粉酶活性在07:00达到最高峰，脂肪酶、Na⁺/K⁺-ATP酶、碱性磷酸酶活性在04:00达到最高峰；不同光照周期下肝胰腺酶活性无明显差异。总之，光照周期对扣蟹摄食量具有一定的影响，扣蟹在全黑暗和仿自然光照下存在明显的摄食节律，全光照下扣蟹存在与其他组相同的摄食高峰，但无明显的摄食节律，揭示光照周期对中华绒螯蟹扣蟹的摄食节律无显著影响。

关键词: 中华绒螯蟹, 光照周期, 摄食节律, 肝胰腺酶

Abstract: We analyzed the effects of photoperiod on the food intake, feeding rhythm and hepatopancreatic enzyme activity in the button-sized crabs by considering three photoperiods, including full light group (24L), full darkness group (24D) and simulated natural light group (10D:14L). A total of 360 button-sized Chinese mitten crab (Eriocheir sinensis) with the weight of (10.04 ± 1.03) g were used in this study. The results showed that food intake of crabs in 10D:14L group was significantly higher than that in 24D treatment, but without difference between 24L group and the other groups. There were significant differences in food intake between 24D group and 10D:14L group during day and night. In 24L group, there was no significant difference in food intake at various time points, with the highest food intake at 10:00-13:00 and 22:00-01:00. In 24D group, there were significant differences in food intake at various time points, with the highest food intake at 01:00-04:00. In 10D:14L group, there were significant differences in food intake at various time points, and the food intake was also highest at 01:00-04:00. For hepatopancreatic enzyme activity, in 24L group, the activity of amylase and alkaline phosphatase reached the peak at 01:00 and 13:00; the activity of lipase reached the peak at 01:00; the activity of Na⁺/K⁺-ATPase reached the peak at 04:00. The activity of amylase, lipase, Na⁺/K⁺-ATPase and alkaline phosphatase in 24D group reached the peak at 04:00. The amylase activity in 10D:14L group reached the peak at 07:00, while that of lipase, Na⁺/K⁺ATPase and alkaline phosphatase reached the peak at 04:00. There was no significant difference in hepatopancreatic enzyme activity under different photoperiods. In conclusion, photoperiod affected the food intake of button-sized crabs. The button-sized crabs had an obvious feeding rhythm under the full darkness and simulated natural light. The button-sized crabs under full light had the same feeding peak as the other groups, but there was no obvious feeding rhythm, implying that the photoperiod might have no effect on the feeding rhythm of button-sized E. sinensis.

Key words: Eriocheir sinensis, photoperiod, feeding rhythm, hepatopancreatic enzyme.

李春波, 冯广朋, 庄平, 张涛, 宋超, 伍烨菱. 光照周期对中华绒螯蟹扣蟹摄食习性和肝胰腺酶活性的影响[J]. 生态学杂志, 2023, 42(6): 1402-1408.

LI Chunbo, FENG Guangpeng, ZHUANG Ping, ZHANG Tao, SONG Chao, WU Yeling. Effects of photoperiod on feeding habit and hepatopancreatic enzyme activity of button-sized Eriocheir sinensis.[J]. Chinese Journal of Ecology, 2023, 42(6): 1402-1408.

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光照周期对中华绒螯蟹扣蟹摄食习性和肝胰腺酶活性的影响

Effects of photoperiod on feeding habit and hepatopancreatic enzyme activity of button-sized Eriocheir sinensis.

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