Infection by Vibrio harveyi in Broodstock Senegalese sole (Solea senegalensis) in South Portugal

IF 3.7 2区农林科学 Q1 FISHERIES

Aquaculture Reports Pub Date : 2025-09-16 DOI:10.1016/j.aqrep.2025.103097

Denise Schrama , M. Carolina Ribeiro , Rui Sousa , Marcelo Livramento , Margarida Gamboa , Andreia Ovelheiro , Ana Candeias-Mendes , Iris A.L. Silva , Pedro Pousão-Ferreira , Cátia Lourenço-Marques , Florbela Soares

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Abstract

Aquaculture evolution is required to keep up with the demand for fish supply. Consequently, disease outbreaks are more frequent, causing substantial losses for the industry. An important pathology in fish is vibriosis, caused by Vibrio sp. and might induce symptoms like pale gills, hemorrhagic lesions, gastroenteritis, skin ulcers and tail rot. An important pathogen, which occurs in warmer waters, is Vibrio harveyi, a gram-negative bacteria. Broodstock Senegalese sole (Solea senegalensis) reared at EPPO diseased and eventually died, and were sampled for bacteriological, parasitological and histopathological analysis. Results showed hemorrhagic lesions on skin and gills and bacterial growth in swabs from spleen and liver tissue. Biochemical and PCR analysis identified Vibrio harveyi and histopathology revealed mild vascular congestion and associated hemorrhages in the spleen. This case report could help to develop strategies for the detection and prevention of these diseases in aquaculture.

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南葡萄牙塞内加尔比目鱼（Solea senegalensis）的哈维弧菌感染

水产养殖的发展需要跟上对鱼类供应的需求。因此，疾病爆发更加频繁，给该行业造成了巨大损失。鱼类的一种重要病理是弧菌病，由弧菌属引起，可能引起鳃苍白、出血性病变、肠胃炎、皮肤溃疡和尾巴腐烂等症状。在温暖的水域中发生的一种重要病原体是哈维弧菌，一种革兰氏阴性菌。在EPPO饲养的塞内加尔鳎（Solea senegalensis）患病并最终死亡，并取样进行细菌学，寄生虫学和组织病理学分析。结果显示皮肤和鳃出现出血性病变，脾脏和肝脏组织的拭子中有细菌生长。生化和PCR分析鉴定为哈维氏弧菌，组织病理学显示脾脏轻度血管充血和相关出血。本病例报告有助于制定水产养殖中这些疾病的检测和预防战略。

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来源期刊

Aquaculture Reports Agricultural and Biological Sciences-Animal Science and Zoology

CiteScore

5.90

自引率

8.10%

发文量

469

审稿时长

77 days

期刊介绍： Aquaculture Reports will publish original research papers and reviews documenting outstanding science with a regional context and focus, answering the need for high quality information on novel species, systems and regions in emerging areas of aquaculture research and development, such as integrated multi-trophic aquaculture, urban aquaculture, ornamental, unfed aquaculture, offshore aquaculture and others. Papers having industry research as priority and encompassing product development research or current industry practice are encouraged.