Data/hora: 04/06/2024 05:20:50

Provedor de dados: | 65
País: | Brazil
Título: | Acute toxicity of nitrite to matrinxã, Brycon cephalus (Günther, 1869), (Teleostei-Characidae)
Autores: | Avilez,Ive Marchioni; Aguiar,Lucia Helena de; Altran,Alexandre Eneas; Moraes,Gilberto.
Data: | 2004-12-01
Ano: | 2004
Palavras-chave: | LC50; Nitrite; Matrinxã; Brycon cephalus; Toxicity.
Resumo: | Nitrite leads to many physiological and hematological disturbances followed by lethality. This work reports the lethal concentration of nitrite to juvenile matrinxã. Experiments were done at 24ºC, pH 6.7-7.0 under natural photoperiod. Fish were exposed to 0.2- 0.5- 1.0 and 2.0mg L-1 of nitrite N-NO2 for 96h. The 96-h LC50 of nitrite-N was calculated by the trimmed Spearman-Karber method (0.86±0.05mg L-1; 0.57-1.30 to 95%CI) and it was concluded that matrinxã is very sensitive to environmental nitrite. Therefore, care must be taken to prevent accumulation of nitrite in intensive culture systems of matrinxã.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782004000600013
Editor: | Universidade Federal de Santa Maria
Relação: | 10.1590/S0103-84782004000600013
Formato: | text/html
Fonte: | Ciência Rural  v.34 n.6 2004
Fonte: | info:eu-repo/semantics/openAccess