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우리나라 양식 넙치(Paralichthys olivaceus) 육성어와 종묘의 지역별 Kudoa septempunctata 감염 현황

Monitoring Kudoa septempunctata in Cultured Olive Flounder Paralichthys olivaceus in Different Regions of Korea in 2013

  • 송준영 (국립수산과학원 병리연구과) ;
  • 김민정 (국립수산과학원 병리연구과) ;
  • 최혜승 (국립수산과학원 병리연구과) ;
  • 정승희 (국립수산과학원 병리연구과)
  • Song, Jun-Young (Pathology Division, National Fisheries Research and Development Institute) ;
  • Kim, Min-Jeong (Pathology Division, National Fisheries Research and Development Institute) ;
  • Choi, Hye-Sung (Pathology Division, National Fisheries Research and Development Institute) ;
  • Jung, Sung Hee (Pathology Division, National Fisheries Research and Development Institute)
  • 투고 : 2014.07.23
  • 심사 : 2014.09.04
  • 발행 : 2014.10.31

초록

A nationwide survey was conducted to study the rate of Kudoa septempunctata parasitization in cultured olive flounder, Paralichthys olivaceus, in Korea in 2013. Of 1107 olive flounder sampled randomly from 89 culture farms in five different regions in Korea, K. septempunctata was detected only in Jeju, where 10 of 318 fish (3.14%) were PCR positive, with genomic concentrations of $4.67{\times}10^5$ to $1.48{\times}10^{11}$ rDNA copies/g by real-time PCR. Of the ten Kudoapositive fish, K. septempunctata spores with 5-7 polar capsules were detected only in four fish. No samples of K. septempunctata were detected in olive flounder from the other regions surveyed. Furthermore, K. septempunctata was not detected in 326 samples of olive flounder seeds sampled from 39 hatcheries in seven different regions in Korea. Therefore, the parasite infection is restricted to Jeju and K. septempunctata infection is not spread from hatcheries.

키워드

참고문헌

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피인용 문헌

  1. Morphological and Molecular Comparisons between Japanese and Korean Isolates of Kudoa septempunctata (Myxozoa: Multivalvulida) in the Olive Flounder Paralichthys olivaceus vol.52, pp.3, 2017, https://doi.org/10.3147/jsfp.52.152
  2. A Distinguishing Staining Methods for Vitality of Kudoa (Kudoa septempunctata) spores in Muscle of Olive flounder (Paralichthys olivaceus) vol.28, pp.6, 2016, https://doi.org/10.13000/JFMSE.2016.28.6.1822
  3. A Study About Analysis Results for Kudoa septempunctata (Myxosporea: Multivalvulida) in Tissue at Olive Flounder, using PCR (polymerase chain reaction) and Histological Methods vol.35, pp.4, 2017, https://doi.org/10.11626/KJEB.2017.35.4.468