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Seed Production from Pond Cultured Cherry Salmon, Oncorhynchus masou (Brevoort)  

Seong, Ki-Baik (Yeongdong Inland Fisheries Research Institute, National Fisheries Research and Development Institute)
Kim, Kyung-Sik (Yeongdong Inland Fisheries Research Institute, National Fisheries Research and Development Institute)
Publication Information
Journal of Aquaculture / v.20, no.1, 2007 , pp. 14-18 More about this Journal
Abstract
Seed production of the cherry salmon, Oncorhynchus masou (Brevoort) were studied in terms of egg development, hatching rate, juvenile growth, smolt duration, smolt rate, and adult growth rates. Fork length and body weight of $0^+$ juvenile were $9.32{\pm}1.19\;cm$ and $9.36{\pm}3.50\;g$ for females and $9.07{\pm}1.02\;cm$ and $8.57{\pm}3.04\;g$ for males, respectively. Body weights of $1^+$ smolt were $84.09{\pm}18.1\;g$ and $86.33{\pm}41.2\;g$ for females and males, while body weights of $1^+$ parr were $101.88{\pm}60.9\;g$ and $98.38{\pm}39.6\;g$ for females and males, respectively. Monitoring of gonadosomatic index (GSI) confirmed that maturations of both sexes were not synchronous; males achieved highest GSI in September, while females achieved it in October.
Keywords
Cherry salmon; Oncorhynchus masou; Seed production; Gonadosomatic index (GSI);
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