白甲鱼饥饿后首次投喂对能量物质的影响

doi:10.16178/j.issn.0528-9017.20240643

摘要/Abstract

摘要：

为探究白甲鱼饥饿后首次投喂对能量物质的影响,分别设置对照组(连续投喂14 d)、饥饿组(连续饥饿14 d)、再投喂组(连续饥饿13 d后投喂1 d),并于试验结束后测定血糖、血清蛋白、甘油三酯、胆固醇、肝糖原和肝脂肪含量。结果表明,与对照组相比,白甲鱼饥饿14 d后血糖、血清蛋白和甘油三酯含量显著(p<0.05)降低。饥饿后首次投喂3个指标基本恢复,胆固醇含量在不同组间差异不显著。肝脏分析显示,饥饿组肝糖原被大量消耗,再投喂组肝糖原含量得到部分恢复,与对照组相比差异显著。再投喂组和饥饿组的肝脂肪含量差异不显著。综上所述,饥饿14 d不会对白甲鱼的生长发育造成不良影响,白甲鱼能够根据其营养状况在首次投喂后快速恢复代谢。

关键词: 白甲鱼, 饥饿, 首次投喂, 能量物质

Abstract:

To investigate the effect of first refeeding after starvation on energy substances of Onychostoma sima, control group (continuous feeding for 14 days), starvation group (continuous starvation for 14 days), and re-feeding group (continuous starvation for 13 days and then feeding for 1 day) were set up, and blood glucose, serum protein, triglycerides, cholesterol, hepatic glycogen, and hepatic fat content were measured at the end of the experiment. The results showed that the contents of blood glucose, serum protein, and triglycerides of Onychostoma sima significantly decreased after 14 days of starvation compared with control group(p<0.05). After the first refeeding following starvation, these three indicators were basically restored, and there was no significant difference in cholesterol content between different groups. Hepatic analysis showed that the starvation group consumed a large amount of hepatic glycogen, while the re-feeding group partially recovered its hepatic glycogen content, with significant differences compared with control group. There was no significant difference in hepatic fat content between the re-feeding group and the starvation group. In summary, starvation for 14 days did not have adverse effects on the growth and development of Onychostoma sima, which could quickly recover their metabolism after the first refeeding based on their nutritional status.

Key words: Onychostoma sima, starvation, first refeeding, energy substances

中图分类号:

S965.2

李正一, 徐飞, 刘红, 黄颖颖, 陈春娜. 白甲鱼饥饿后首次投喂对能量物质的影响[J]. 浙江农业科学, 2025, 66(11): 2719-2723.

LI Zhengyi, XU Fei, LIU Hong, HUANG Yingying, CHEN Chunna. Effect of first refeeding after starvation on energy substances of Onychostoma sima[J]. Journal of Zhejiang Agricultural Sciences, 2025, 66(11): 2719-2723.

图/表 2

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