パーキンサス属原虫がアサリの生理と行動に与える影響

DOI 日本農学文献記事索引 Web Site 被引用文献9件 参考文献33件
  • Yoshinaga Tomoyoshi
    Graduate School of Agricultural and Life Sciences, The University of Tokyo
  • Watanabe Shinji
    Graduate School of Agricultural and Life Sciences, The University of Tokyo
  • Waki Tsukasa
    Graduate School of Agricultural and Life Sciences, The University of Tokyo
  • Aoki Shigeru
    Graduate School of Agricultural and Life Sciences, The University of Tokyo
  • Ogawa Kazuo
    Graduate School of Agricultural and Life Sciences, The University of Tokyo

書誌事項

タイトル別名
  • Influence of Perkinsus Infection on the Physiology and Behavior of Adult Manila Clam Ruditapes philippinarumi
  • Influence of Perkinsus infection on the physiology and behavior of adult Manila clam Ruditapes philippinarum

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抄録

Annual catch landings of the Manila clam Ruditapes philippinarum have decreased in Japan since the early 1980s because of the decreased size of many Manila clam populations. It is hypothesized that Perkinsus olseni infection contributed to these decreases. However, the effect of Perkinsus infection on the survival and physiology of Manila clam is poorly understood. We examined the influence of Perkinsus infection on clearance rate, tolerance against high water temperature, and burrowing activity in a captive adult clam population. Infection intensity did not affect clearance rates, burrowing activity, or tolerance against high water temperature. In addition, we monitored infection intensity in wild, adult clams from a tidal flat lacated in western Seto Inland Sea over a one-year period. Infection levels were relatively stable in the wild population between June 2004 and May 2005, but we noted a significant decrease in the infection intensity at the end of the spawning period in November 2004. However, in the present study, clear evidence showing the negative impact of Perkinsus on clam physiology and survival was not obtained.

収録刊行物

  • 魚病研究

    魚病研究 45 (4), 151-157, 2010

    日本魚病学会

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