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J Aquat Anim Health ; 32(3): 127-132, 2020 09.
Artigo em Inglês | MEDLINE | ID: mdl-32506710

RESUMO

Monogeneans are parasitic flatworms that may be a threat for finfish aquaculture. In this study, the anthelmintic activity of two terpenes, geraniol and ß-citronellol, was tested in vitro against ancyrocephalin and diplectanid monogeneans. Experiments were performed in both water and a culture medium. We observed that monogeneans in culture medium may be more tolerant to treatments compared with bioassays performed only in water. Concentrations of 300 mg/L of both compounds were required to kill 100% of monogeneans at 1 h postexposure. The toxicity of ß-citronellol to fish was not evaluated. However, geraniol at 300 mg/L and 150 mg/L killed juvenile Nile Tilapia Oreochromis niloticus and White Snook Centropomus viridis, respectively, after a few minutes. Therefore, the present work suggests that other alternatives should be studied for use against monogeneans in aquaculture.


Assuntos
Monoterpenos Acíclicos , Ciclídeos , Perciformes , Trematódeos/efeitos dos fármacos , Monoterpenos Acíclicos/efeitos adversos , Monoterpenos Acíclicos/farmacologia , Animais , Anti-Helmínticos/efeitos adversos , Anti-Helmínticos/farmacologia , Especificidade da Espécie
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