Abstract
Growth performance of major carps during exposure of zinc and bioaccumulation in fish body organs
Highlights
Recent era is well aware about pollution and its effect especially the river pollution with heavy metal is affecting aquatic life badly
The experimental organisms were fingerlings major carps viz. Catla catla, Labeo rohita and Cirrhina mrigala starting from the age of 90, 120, 150 and 180 days
Growth performance of three fish species in chronic exposure of the Zinc The experiment was conducted to observe the growth performance of three fish species includes Catla catla, Labeo rohita and Cirrhina mrigala reared in chronic exposure of zinc at sub-lethal concentrations for four age groups
Summary
Recent era is well aware about pollution and its effect especially the river pollution with heavy metal is affecting aquatic life badly. Fish can be used as an indicator of freshwater pollution through heavy metals as they inhabit diverse tropic levels. Decrease in fish species can be linked with industrial and domestic pollutants, ecological degradation and change in habitat in rivers (Atique and An, 2019). The trace metals are vital for common physiological procedures; unusually high concentration can be lethal to aquatic organisms (Javed, 2003). The most common pollutants include manganese, Iron, nickel and zinc which are found in Punjab Province Rivers (Javed and Mahmood, 2001). High influx of industrial and urban effluents into the Riverine system of Pakistan necessitates the importance to investigate the growth responses of major carps, which are adversely affected due to heavy loads of metals and bioaccumulation of zinc during chronic exposures to suggest measures for the rehabilitation of the aquatic habitats
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