Development and evaluation of a medium-free incubation method for hatching Chinese soft-shelled turtle (Pelodiscus sinensis) eggs
文献类型： 外文期刊
作者： Zhu, Junxian 1 ; Lei, Luo 1 ; Chen, Chen 1 ; Li, Jiansong 4 ; Wang, Yongchang 1 ; Wu, Congcong 1 ; Wang, Yakun 1 ; Hong, Xiaoyou 1 ; Liu, Xiaoli 1 ; Yu, Lingyun 1 ; Chen, Haigang 1 ; Wei, Chengqing 1 ; Liu, Yihui 1 ; Li, Wei 1 ; Zhu, Xinping 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Pearl River Fisheries Res Inst, Key Lab Trop & Subtrop Fishery Resources Applicat, Minist Agr & Rural Affairs, Guangzhou, Guangdong, Peoples R China
2.Shanghai Ocean Univ, Coll Fisheries & Life Sci, Shanghai, Peoples R China
3.Nanjing Agr Univ, Wuxi Fisheries Coll, Wuxi, Jiangsu, Peoples R China
4.Huizhou Wealth Xing Ind Co Ltd, Huizhou, Guangdong, Peoples R China
关键词： Pelodiscus sinensis; Medium-free incubation; Light exposure; Larval characteristics; Egg-hatching synchrony
期刊名称：AQUACULTURE REPORTS （ 影响因子：3.7； 五年影响因子：3.8 ）
ISSN： 2352-5134
年卷期： 2023 年 31 卷
页码：
收录情况： SCI
摘要： In aquaculture, the traditional method for hatching Pelodiscus sinensis eggs needs further investigation. Here, we developed a medium-free incubation method for hatching P. sinensis eggs and evaluated its differences from the traditional vermiculite incubation method and the effects of light on it. We found that medium-free incubation had no significant effects on hatching success, body weight, carapace length, carapace width, plastron length, plastron width, and righting response time of P. sinensis compared with those under traditional vermiculite incubation, irrespective of thermostatic or fluctuating temperature conditions. Furthermore, light treatment significantly shortened the incubation period and negatively affected body weight, carapace length, carapace width, plastron length, and righting response time during medium-free incubation. Additionally, this study is the first to report the phenomenon of egg-hatching synchrony in P. sinensis. Overall, our results provide basic data and novel insights for improving the method for hatching P. sinensis eggs.
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