Fish poisoning in the Tisza river [Yugoslavia] caused by a wave containing cyanides and heavy metals
2000
Cirkovic, M. (Poljoprivredni fakultet, Novi Sad (Yugoslavia)) | Jeremic, S. | Dalmacija, B. | Baltic, M. | Petrovic, N. | Sibalic, S.
Poisoning of fish in the Tisza river (Serbia, Yugoslavia) was caused by barren coming from a Romania silver and gold mine. In the water there was 2.5 mg/l of cyanide, 35 mg/l of Mn, 14 mg/l of Zn, 1.4 mg/l of Cu, 14 mg/l of Pb and 0.02 mg/l of Cd. The quantity of cyanide found in the gills was 0.2 mg/kg, while it was not detected in the fish meat. The concentration of the cyanide and heavy metals was not lethal. The fish regenerated by being moved to the new environment. Spawn of the endangered fish was carried out normally.
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