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http://dx.doi.org/10.5657/kfas.2002.35.5.485

Effects of the Dissolved Oxygen Concentration on the Physiology of the Manila clam, Teillarca granosa (Linnaeus)  

Shin Yun Kyung (South Sea Fisheries Research Institute, National Fisheries Research and Development Institute)
Moon Tae Seok (South Sea Fisheries Research Institute, National Fisheries Research and Development Institute)
Wi Chong Hwan (South Sea Fisheries Research Institute, National Fisheries Research and Development Institute)
Publication Information
Korean Journal of Fisheries and Aquatic Sciences / v.35, no.5, 2002 , pp. 485-489 More about this Journal
Abstract
To investigate the effects of the dissolved oxygen concentration (DO) of Tetillarca granosa (Linnaeus), We measured $LC_{50}$, survival, oxygen consumption rate, filtration rates and blood composition under $10{\cdot}{\pm}0.5^{\circ}C$ and $25{\cdot}0.5^{\circ}C$ as a function of DO. The 16 days-$LC_{50}$ of DO for T. granosa was 1.31 mg DO/L in large individual and 0.95 mg DO/L in small individual. At 25$^{\circ}C$, the $LC_{50}$ of DO in large and small individual was 1.13 and 1.M mg DO/L, respectively. With decreasing DO, oxygen consumption rate, and filtration rates of T. granosa decreased. Blood composition of T. granosa was analysed hemoglobin, glucose, total protein, total cholesterol, GOT and GPT, Hg was increased with decreasing DO, but glucose was decreased below 1.2 mg DO/L. Total protein, total cholesterol, GOT and GPT were investigated irregular and decreasing aspect.
Keywords
Tegillarca granosa (Linnaeus); Oxygen consumption; Filtration; Blood composition;
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