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http://dx.doi.org/10.9710/kjm.2015.31.4.263

Effect of Water Temperature Condition on Growth and Survival of Juvenile Geoduck (Panopea japonica A. Adams, 1850)  

Nam, Myung-Mo (East Sea Fisheries Research Institute NIFS)
Lee, JooYoung (East Sea Fisheries Research Institute NIFS)
Lee, Chu (East Sea Fisheries Research Institute NIFS)
Kang, Hee Woong (East Sea Fisheries Research Institute NIFS)
Kim, Young Dae (East Sea Fisheries Research Institute NIFS)
Byun, Soon-Gyu (East Sea Fisheries Research Institute NIFS)
Yoo, Hae-Kyun (East Sea Fisheries Research Institute NIFS)
Publication Information
The Korean Journal of Malacology / v.31, no.4, 2015 , pp. 263-266 More about this Journal
Abstract
This study was performed to determine the effect of water temperature condition on survival rate and growth of juvenile geoduck (Panopea japonica). Panopea japonica juveniles were bred for 6 weeks at 12, 15, 18, 21, 24 and $27^{\circ}C$ on incubator. Juveniles median lethal times (LT50) were 29 hours in $27^{\circ}C$, 14.5 day in $24^{\circ}C$, 37.4 day in $21^{\circ}C$. Survival rate of water temperature 12, 15 and $18^{\circ}C$ showed a high survival rate in 95.0%, 95.0% and 93.3% at 6 weeks. As a result of culturing for 6 weeks at 12, 15, 18, 21 and $24^{\circ}C$, a daily growth of shell length and total weight was 0.10 mm, 0.12 mm, 0.13 mm, 0.16 mm and 0.14 mm, and 2.21 mg, 2.65 mg, 2.84 mg, 3.13 mg and 2.93 mg. Juvenile shell length and total weight have significantly increased at $15-21^{\circ}C$. However, mortality rate has significantly increased at more than $21^{\circ}C$. As a result, appropriate water temperature for juveniles culturing considered $15-18^{\circ}C$.
Keywords
Juvenile geoduck; Panopea japonica; Culture; Water temperature; Median lethal time;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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