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首页> 外文期刊>魚病研究 >Influence of Perkinsus Infection on the Physiology and Behavior of Adult Manila Clam Ruditapes philippinarum
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Influence of Perkinsus Infection on the Physiology and Behavior of Adult Manila Clam Ruditapes philippinarum

机译：Perkinsus感染对成年马尼拉蛤仔菲律宾蛤仔的生理和行为的影响

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摘要

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 acaptive 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.
机译：自1980年代初以来，由于许多马尼拉蛤族人口减少，马尼拉蛤菲律宾蛤的年度捕捞量减少。据推测，Perkinsus olseni感染是造成这些下降的原因。但是，人们对Perkinsus感染对马尼拉蛤的存活和生理的影响知之甚少。我们研究了珀金斯氏菌感染对圈养成年蛤类人群的清除率，耐高温水和穴居活动的影响。感染强度不影响清除率，穴居活动或对高温水的耐受性。此外，我们还监测了濑户内海西部西部一个潮带平地野生成年蛤的感染强度，历时一年。在2004年6月至2005年5月之间，野生种群的感染水平相对稳定，但是我们注意到2004年11月产卵期结束时感染强度显着下降。但是，在本研究中，有明确的证据显示了负面影响Perkinsus对蛤类生理和生存的影响尚未获得。

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