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http://dx.doi.org/10.5657/kfas.2002.35.2.135

Optimal Method for Fertilization of Surf Clam, Spisula sachalinensis  

Lee Jeong Yong (Department of Aquaculture, Pukyong National University)
Chang Yun Jeong (Kangnung Hatchery, NFRDI)
Chun Min Jee (Kangnung Hatchery, NFRDI)
Chang Hae Jin (Kangnung Hatchery, NFRDI)
Chang Young Jin (Kangnung Hatchery, NFRDI)
Publication Information
Korean Journal of Fisheries and Aquatic Sciences / v.35, no.2, 2002 , pp. 135-139 More about this Journal
Abstract
In order to obtain the basic information for the seedling production of surf clam, Spisula sachalinensis, sperm motility and optimal method for fertilization were investigated. Sperm concentration of S. sachalinensis milt was$ 2.02{\times}10^{10}\;cell/mL$ and approximately $96.0\%$ of sperm showed forward movement after exposure to seawater. When sperm and eggs obtained by incision method were fertilized in 1 hour and 4 hours, respectively, high fertilization and hatching rate were achieved. The optimal sperm concentrations and egg density for fertilization and hatching were 10$\~$100 inds./egg and 100$\~$200 inds./mL sea water, respectively.
Keywords
Surf clam; Spisula sachalinensis; Fertilization;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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