Essential oil of Piper hispidum (Piperaceae) has efficacy against monogeneans, and effects on hematology and gill histology of Colossoma macropomum

This study investigated for the first time the effectiveness of therapeutic baths with essential oil (EO) of Piper hispidum against monogeneans Anacanthorus spathulatus, Notozothecium janauachensis, Mymarothecium boegeri and Linguadactyloides brinkmanni from the gills of Colossoma macropomum, as wel...

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Published in:Revista brasileira de parasitologia veterinaria 2024-01, Vol.33 (1), p.e014723-e014723
Main Authors: Alves, Carliane Maria Guimarães, Baia, Raimundo Rosemiro de Jesus, Farias, Vitor Araújo, Farias, Matheus Araújo, Souza, Fernanda Layza Souza de, Videira, Marcela Nunes, Chagas, Francisco Célio Maia, Yoshioka, Eliane Tie Oba, Tavares-Dias, Marcos
Format: Article
Language:English
Subjects:
Animals
Characiformes - parasitology
essential oil
Fish Diseases - drug therapy
Fish Diseases - parasitology
fish parasites
Gills - parasitology
Infection
Oils, Volatile - pharmacology
Original
PARASITOLOGY
Piper
treatment
Trematoda
VETERINARY SCIENCES
Water
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Summary:This study investigated for the first time the effectiveness of therapeutic baths with essential oil (EO) of Piper hispidum against monogeneans Anacanthorus spathulatus, Notozothecium janauachensis, Mymarothecium boegeri and Linguadactyloides brinkmanni from the gills of Colossoma macropomum, as well as the hematological and histological effects on this fish. In therapeutic baths, 100 mg/L of P. hispidum essential oil and two control groups (water from the culture tank and water from the culture tank with 70% alcohol) were exposed for 1 h/day, with intervals of 48 hours for 3 days, and three replicates each were used. Therapeutic baths with 100 mg/L of P. hispidum essential oil had an efficacy of 78.6% against monogeneans. The toxicity of this essential oil was low, since there were a few physiological and histopathological changes that did not compromise the functioning of the gills of the fish. Therefore, 100 mg/L of P. hispidum essential oil was effective for controlling monogeneans in C. macropomum, when short therapeutic baths were used without compromising the health of the exposed fish.
ISSN:0103-846X
1984-2961
1984-2961
DOI:10.1590/S1984-29612024001