Efeitos da exposição aguda e crônica à diferentes salinidades da água em juvenis Piaractus brachypomus: Hematologia, bioquímica sanguínea, desempenho e histologia de fígado e brânquias
DOI:
https://doi.org/10.56926/repia.v5i1.147Palavras-chave:
espécie neotropical, fisiologia, crescimento vegetativo, choque osmóticoResumo
Esse estudo avaliou o efeito da exposição aguda e crônica a diferentes salinidades em juvenis de pirapitinga (Piaractus brachypomus). O experimento 1 avaliou a exposição aguda ao sal por 96 horas. O experimento 2 avaliou a exposição crônica a diferentes salinidades por 60 dias. Em ambos os experimentos foram identificadas alterações nos parâmetros sanguíneos e histológicos dos animais. No experimento 1, a salinidade de 12 g de sal L−1 se mostrou letal, com salinidades mais adequadas próximas a 3 g de sal L-1. No experimento 2, os melhores resultados de desempenho, após 60 dias, foram obtidos com até 2 g de sal L-1. Os maiores distúrbios nos parâmetros sanguíneos e as alterações teciduais mais intensas foram registrados para 4 e 6 g de sal L-1. Portanto, salinidade de até 2 g de sal L-1 se mostrou mais adequada para o cultivo de P. brachypomus.
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Copyright (c) 2026 André de Sena Souza, Fabio Aremil Costa Santos, Gustavo Soares da Costa Júlio, Sidney dos Santos Silva, Imaculadade Morais Carvalho Ananias, Camila Gomes de Oliveira, Pedro Paulo Cortezzi Pedras, Gisele Cristina Favero, Ronald Kennedy Luz
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