Laboratory Cultivation of Coregonus ussuriensis Berg: A Comprehensive Study on Rearing from Egg to Adult Stage
文献类型： 外文期刊
作者： Liu, Enhui 1 ; Huang, Tianqing 1 ; Gu, Wei 1 ; Wang, Gaochao 1 ; Liu, Bing 2 ; Wang, Bingqian 1 ; Xu, Gefeng 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Heilongjiang River Fisheries Res Inst, Key Lab Freshwater Aquat Biotechnol & Breeding, Minist Agr & Rural Affairs, HeSong St 232, Harbin 150070, Peoples R China
2.Inner Mongolia Yinchuo Jiliao Water Supply Co Ltd, Inner Mongolia 137400, Peoples R China
期刊名称：AQUACULTURE RESEARCH （ 影响因子：2.0； 五年影响因子：2.3 ）
ISSN： 1355-557X
年卷期： 2023 年 2023 卷
页码：
收录情况： SCI
摘要： Conservation aquaculture aids in restoring and rebuilding populations of endangered species through artificial breeding. The Ussuri cisco (Coregonus ussuriensis Berg) is a valuable fish species in China, known for its high nutritional value. However, its current yield heavily relies on fishing, leading to a rapid decline in wild populations. This study documents the successful artificial breeding of C. ussuriensis and provides a comprehensive description of its life cycle. We performed in situ gamete stripping followed by manual fertilization. Fertilized eggs were incubated at the Bohai cold-water fish experimental station in Mudanjiang, China, where seed breeding and parental fish farming were conducted. Under controlled conditions, we obtained around 110,000 fertilized eggs. After a 2-month incubation period, we obtained around 50,000 oviparous eggs with an eyed rate of 45.5%. Additionally, we observed over 30,000 larvae with a hatching rate of 60%. We produced 20,000 juvenile fish weighing 30 g after 1 year. This procedure facilitates the successful completion of the C. ussuriensis life cycle in aquaculture, aiding in the species' recovery.
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