海産白点虫Ｃｒｙｐｔｏｃａｒｙｏｎ　ｉｒｒｉｔａｎｓの宿主離脱時刻および感染時刻

DOI 日本農学文献記事索引 Web Site 参考文献9件
  • 堅田 昌英
    和歌山県農林水産総合技術センター水産試験場
  • 木村 創
    和歌山県農林水産総合技術センター水産試験場
  • 竹内 照文
    和歌山県農林水産総合技術センター水産試験場
  • 良永 知義
    東京大学大学院農学生命科学研究科

書誌事項

タイトル別名
  • The Clock Time of Leaving and Invading Hosts in Cryptocaryon irritans
  • カイサン ハクテンチュウ Cryptocaryon irritans ノ シュクシュ リダツ ジコク オヨビ カンセン ジコク

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抄録

The clock time when Cryptocaryon irritans leaves host as protomonts and invades host as theronts was investigated using red sea bream Pagrus major and parrot fish Oplegnathus fasciatus, respectively, as host fishes in a tank or a floating net pen. The time of leaving was examined by hanging sediment traps in a tank and a floating net pen, in both of which cryptocaryoniasis was occurring. To investigate the time of invasion, parrot fish were challenged in a hanging net cage in the tank for limited periods and mortality of the challenged fish by cryptocaryoniasis was examined. The leaving and invasion mainly occurred in the middle of the night. Though the time was slightly different from those obtained previously in laboratory experiments, C. irritans was found to leave and invade hosts in a limited period of a day.

収録刊行物

  • 水産増殖

    水産増殖 54 (4), 537-541, 2006

    日本水産増殖学会

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