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Monitoring of Emaciation Disease in Cultured Olive Flounder Paralichthys olivaceus in Jeju (2010-2013), Korea
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 Title & Authors
Monitoring of Emaciation Disease in Cultured Olive Flounder Paralichthys olivaceus in Jeju (2010-2013), Korea
Kim, Seung Min; Jun, Lyu Jin; Park, Myoung Ae; Jung, Sung Hee; Jeong, Hyun Do; Jeong, Joon Bum;
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 Abstract
In this study aiming at the cultured olive flounders in Jeju island of Korea, has performed a total of 216 cases of pathogen tests for the olive flounders which seemingly had the symptom of emaciation in 24 farms on the suspicion of its occurrence from June 2010 to December 2013 and intended to get the basic information about the pathogen. According to the survey results of the emaciation infection status of 24 farms in Jeju over the period of this survey, it was confirmed that 18 (75%) of 24 farms in Jeju are positive in the emaciation infection. Among them, as for the rate of infection per year, it was observed that they are 38% in 2010, 48% in 2011, 50% in 2012 and 60% in 2013, and over the period of this survey the infection rate in accordance with the temperature of water has observed a variety of incidence rates from the summer to the winter season. In addition, according to the results of emaciation infection status for each size, the equivalent showed a detection rate, 54% in 11-20 cm, 43.9% in 21-30 cm and 25.4% in over 31 cm. This result accounts for an important portion among the diseases of farmed olive flounders in Jeju, is considered to be one of the diseases which cause troubles in the farms for olive flounders on land and it is thought that it can be utilized as basic data in order to estimate emaciation which may occur in the similar size of the cultured olive flounders in Jeju island.
 Keywords
Emaciation;Olive flounder;Monitoring;
 Language
Korean
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