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Korean Journal of Environmental Toxicology 2002;17(1):13-19.
Formalin이 넙치(Paralichthys olivaceus) 난 발생 및 부화자어에 미치는 영향
Effects of Fonnalin on the Development of Fertilized Eggs and Hatched Larvae in Olive Flounder, Paralichthys olivaceus
Chang Bum Park 외 14명
Effects of formalin treatment on embryogenesis and larvae growing in fertilized eggs and hatched larvae of olive flounder, Paralichthys olivaceus were investigated. Fertilized eggs and hatched larvae were exposed to aqueous solution with 100, 200, 400, 800 and 1,000 ppm of nominal formalin concentration. They were kept in sea water of 16, 18 and 22℃, respectively. Surviva] rate and hatchability of fertilized eggs were high in control groups more than formalin treated groups in 16, 18 and 22℃, respectively (P<0.05). A similar effect that survival rate of hatched larvae was also observed for control and treatment groups. On the other hand, fertilized eggs treated with 400ppm formalin, were all death in kept in 22℃. These results suggest that high-dose of formalin in fertilized eggs and hatched larvae in olive flounder, Paralichthys olivaceus was inhibited the normal embryogenesis for fertilized eggs and growing for hatched larvae. Also, these inhibited effects was promoted in higher temperature.
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