Pala G, Farias T H V, Alves L O, Hoppe E G Lux
Departamento de Medicina Veterinária Preventiva, Faculdade de Ciências Agrárias e Veterinárias - FCAV, Universidade Estadual Paulista - UNESP, Via de Acesso Prof. Paulo Donato Castellane, CEP 14884-900, Jaboticabal, SP, Brasil.
Centro de Aquicultura da Unesp - CAUNESP, Universidade Estadual Paulista - UNESP, Via de Acesso Prof. Paulo Donato Castellane, CEP 14884-900, Jaboticabal, SP, Brasil.
Braz J Biol. 2019 Apr-Jun;79(2):321-325. doi: 10.1590/1519-6984.185235. Epub 2018 Aug 13.
Recently, the South American lungfish Lepidosiren paradoxa is being found inside aquaculture ponds, and even though there are a few studies on their parasite fauna, there is still much to be reported. Thus, the objective of this study is to report parasitism by trichodinids in L. paradoxa, as these ciliate protozoa are related to injuries and mortality in fish farming. The lungfish were collected from experimental tanks, had their tegument scraped and the resultant mucus was analyzed under an optical microscope for morphological and morphometrical analyses in Giemsa and silver nitrate stained slides. The species found was identified as Trichodina quelleni. This is the first report of this parasite in L. paradoxa, and the second report in cultivated fish in Brazil.
最近，在水产养殖池塘中发现了南美肺鱼（Lepidosiren paradoxa），尽管对其寄生虫群落已有一些研究，但仍有许多内容有待报道。因此，本研究的目的是报告南美肺鱼感染车轮虫的情况，因为这些纤毛原生动物与养鱼业中的损伤和死亡有关。从实验水箱中收集肺鱼，刮取其体表，将所得黏液置于光学显微镜下，在吉姆萨染色和硝酸银染色的载玻片上进行形态学和形态计量学分析。发现的物种被鉴定为奎氏车轮虫（Trichodina quelleni）。这是该寄生虫在南美肺鱼中的首次报道，也是在巴西养殖鱼类中的第二次报道。
