during this study, the effect of morning liming on water quality of cultured carps in dikjeh area of gonbad was investigated. nine ponds (3 hectars) were chosen and divided to 3 treatments including; (1-liming 750 mg/l, 2-liming 1250 mg/l and 3-liming 1750 mg/l). limning was done at 7 and 8 oclock in the morning and weekly. in definite intervals, sampling from water was done and physicochemical...

metals bioaccumulation in five organs of cirrhinus  mrigala , labeo  rohita and catla catla captured from three industrial and sewage polluted downstream sites (shahdera = b, sunder = c and balloki = d) were compared with a non-industrial upstream site (siphon = a) during high (post monsoon) and low (winter) flow seasons of river ravi. mean concentrations of metals were significantly higher in ...

cutaneous lesions in fishes due to viral, bacterial, parasitic, mechanical and chemical agents are very common, leading to severe infection and high mortality. the aim of this research was to investigate the effect of long term bath of zinc sulfate (15 and 23 ppm), healing of cutaneous lesions caused by surgical incision in carps. in this study, 210 carps were disinfected by 3% salt solution fo...