Water quality affects SDH activity, protein content and RNA:DNA ratios in fish (Catla catla, Labeo rohita and Oreochromis mossambicus) raised in ponds of a sewage-fed fish farm
2007
Mukherjee, S. | Jana, B.B.
The spatial and seasonal variability of the respiratory enzyme succinate dehydrogenase and the protein content were examined in different tissues of fish cultured in three ponds along the effluent gradient of a sewage-fed fish farm. Indian major carp Catla catla (150-230 g) and Labeo rohita (60-190 g) cultured in both the middle and last points of the sewage effluent (stocking pond 1) and (stocking pond 4) and Oreochromis mossambicus (50-160 g), a naturally growing fish of the inlet (facultative pond) and the out let of the sewage effluent (stocking pond 4) were procured every month during the period of January-December, 2005 and were subjected to determination of succinate dehydrogenase activity, total protein, DNA and RNA contents from gill, liver and muscle tissue respectively. The SDH activity of all three test fishes (Catla catla, Labeo rohita and Oreochromis mossambicus) was reduced significantly (ANOVA; P < 0.05) when cultured in SP-4 compared to SP-1 in the case of Catla catla and Labeo rohita and in facultative pond in the case of Oreochromis mossambicus.
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