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首页> 外文期刊>Fisheries and Aquatic Sciences >Clinical, Hematological, and Biochemical Alterations in Olive Flounder Paralichthys olivaceus Following Experimental Infection by Vibrio scophthalmi
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Clinical, Hematological, and Biochemical Alterations in Olive Flounder Paralichthys olivaceus Following Experimental Infection by Vibrio scophthalmi

机译：scophthalmi弧菌感染后比目鱼橄榄的临床，血液学和生化改变

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摘要

Hematological analysis can provide crucial information for monitoring the health of fish. However, there is no current information available regarding hematological changes in olive flounder following infection by Vibrio scophthalmi. In this study, hematological and biochemical alterations were determined in olive flounder infected by the high virulence strain (HVS) and low virulence strain (LVS) of V. scophthalmi. Survival in serum, skin mucus, and macrophages of olive flounder was also compared between the HVS and LVS. The results demonstrated that the hematocrit value in infected fish declined from 23.4% at 0 h to 18.0% at 168 h post infection. The total protein concentration in fish infected with the HVS was significantly higher than in fish infected with the LVS and a non-infected control. Lysozyme activity was significantly different between infected and control fish. The HVS survived in serum and cell numbers increased substantially, while cell numbers of the LVS in serum decreased. These changes in hematological characteristics in fish infected by V. scophthalmi can be used as an effective and sensitive index to monitor the physiological and pathological conditions of fish. The survival and reproduction of V. scophthalmi in host serum, skin mucus, and macrophages play a major role in systemic infection and can serve as a virulence indicator for different strains.
机译：血液学分析可以为监测鱼类健康提供重要信息。然而，目前尚无有关苦弧菌感染后橄榄比目鱼血液学变化的信息。在这项研究中，确定了被V. scophthalmi的高毒力菌株（HVS）和低毒力菌株（LVS）感染的橄榄比目鱼的血液学和生化变化。还比较了HVS和LVS之间的血清，皮肤粘液和比目鱼巨噬细胞的存活率。结果表明，感染鱼的血细胞比容值从感染后0小时的23.4％降至感染后168小时的18.0％。感染了HVS的鱼中的总蛋白浓度显着高于感染了LVS和未感染对照的鱼。受感染和对照鱼之间的溶菌酶活性显着不同。 HVS在血清中存活并且细胞数目显着增加，而血清中LVS的细胞数目减少。感染了V. scophthalmi的鱼类血液学特征的这些变化可以用作监测鱼类生理和病理状况的有效和敏感指标。粘虫弧菌在宿主血清，皮肤粘液和巨噬细胞中的存活和繁殖在全身感染中起主要作用，并可作为不同菌株的毒力指标。

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