Large-scale production of sea urchin (Strongylocentrotus intermedius) seed in a hatchery in China
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Sea urchins are of major economic importance in aquaculture in China. Strongylocentrotus intermedius, introduced from Japan into Chinese waters, is the major species that is cultured. Seeds are cultured on long-lines or placed into the sea. We provide a description of a seed hatchery in China that produced ca. 18 million seeds of a genetically improved strain of S. intermedius in 2017.
KeywordsChina Sea urchins Seed hatchery Strongylocentrotus intermedius Yellow Sea
We thank Xiaofei Leng, vice president of the Dalian Haibao Fishery Co., Ltd., for making arrangements for us to visit the hatchery and his hospitality. We thank Xuguang Li, factory manager at the hatchery, for his demonstration of the facilities and explanation of its operation. We thank A.L. Lawrence for his comments. We thank two anonymous referees for their helpful comments.
Compliance with ethical standards
This article does not contain any studies with animals performed by any of the authors.
Conflict of interest
The authors declare that they have no conflict of interests.
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