TOXICOLOGICAL EFFECTS OF FOUR CHEMICALS USED FOR PROPHYLAXIS OF AMAZONIAN ORNAMENTAL FISH

• Autor(a) principal: Dias, Henrique Malta
• Data de Publicação: 2018
• Outros Autores: Santos, Ruda Fernandes Brandão, Pereira, Nicolas Levy, Sousa, Natalino da Costa, do Couto, Marcia Valeria Silva, Abe, Higo Andrade, Fujimoto, Rodrigo Yudi
• Tipo de documento: Artigo
• Idioma: eng
• Título da fonte: Biota Amazônia
• Texto Completo: https://periodicos.unifap.br/index.php/biota/article/view/3677

The objective of this study was to determine the acute toxicity of chemotherapeutic drugs used to diseases control in ornamental fish cardinal tetra (Paracheirodon axelrodi). The fish were exposed to four chemicals: formalin, oxytetracycline, copper sulfate and malachite green. Four experiments were performed, distributed in a completely randomized design with seven concentrations of product test (formalin, oxytetracycline, copper sulfate and malachite green), a control and three repetitions. A static system with five fish per recipient containing 2 L of water for 96 hours was used. The estimated lethal concentration 50% (LC initial (I) 50-96h) were 67.94 mg.L-1, 3.83 mg.L-1, 1.65 mg.L-1 and 0.85 mg.L-1 to formalin, oxytetracycline, copper sulfate and malachite green, respectively. Thus the present study considered the formalin low toxicity for the cardinal tetra and the copper sulfate, oxytetracycline and malachite green are moderately toxic.Keywords: ornamental fish; fish diseases; chemotherapeutic; concentration lethal.