TITLE

Toxic and sublethal effects of ammonium chloride on a freshwater fish Oreochromis mossambicus

AUTHOR(S)
Elumalai, M.; Balasubramanian, M. P.; Rani, E. Felista
PUB. DATE
May 1998
SOURCE
Water, Air & Soil Pollution;May1998, Vol. 104 Issue 1-2, p1
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The effects of ammonium chloride on survival and feeding energetics of the freshwater fish Oreochromis mossambicus were studied. At a concentration of 600 mg L-1 ammonium chloride, 100% mortalitywas observed within 24 h; no mortality occurred at 400 mg L-1 within 96 h; Concentration of 450 mg L-1 ammonium chloride was found as median lethal concentration at 96 h exposure. Rearing the fish in increasing sublethal concentrations of ammonium chloride, it was found that the feeding rate decreased from 20.309 q 0.506mg g live fish-1 day-1 (mg g-1 d- 1) (control) to 11.594 q 0.479 mg g-1 d-1 at the highest sublethal concentration (100 mg L-1). Growth rate was drastically reduced.
ACCESSION #
8033427

 

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