First record of Neoechinorhynchus buttnerae and Piscinoodinium pillulare infection in Colossoma macropomum in the state of Tocantins, Brazil
2023
Maciel-Honda,Patricia Oliveira | Sousa Neto,Elias Mendes de | Costa-Fernandes,Thaís de Oliveira | Jesus,Fabiano Henrique Ribeiro de | Chagas,Edsandra Campos | Tavares-Dias,Marcos
Abstract This study aims to report the occurrence of two important parasites in farmed tambaqui Colossoma macropomum in the state of Tocantins, the acanthocephalan Neoechinorhynchus buttnerae and the dinoflagellate protozoan Piscinoodinium pillulare, also suggesting the main treatments to control them. The fish sampled for the study were infected by N. buttnerae, and P. pillulare, with prevalence from 100% and mean intensity from 51.4 to 354,264, respectively. This was the first report on the occurrence of such parasites in C. macropomum in the state of Tocantins. We emphasize the need to adopt good farm management and biosecurity practices to prevent pathogenic agents to enter or leave a property. Reported treatments with synthetic and natural products with positive results are also suggested to treat against those parasites in farmed C. macropomum.
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