Vol. 12, Issue 1 (2023)

Author(s):
Reecha Sharma, Rachna Gulati and Paramveer Singh

Abstract:
The experiment was conducted to evaluate the bioefficacy of Azolla indicus in sewage treated water and its effect on Pangasius hypophthalmus growth in vitro condition. The physico-chemical parameters of water were recorded on 0, 7, 14 and 21 days to see the role of Azolla as bio-filter. The bio-filtered water from Azolla culture was used to observe its effect on P. hypophthalmus growth parameters and compared with fresh and sewage treated water with feed. The results on the growth performance of fishes in fresh, sewage treated and biofiltered Azolla water showed that the maximum growth was observed in sewage treated water followed by biofiltered azolla water and least in freshwater culture. A. indicus was successfully cultured and maintained in fresh and sewage treated water. Bio-filtrate from both the cultures was estimated for water quality parameters. Additionally, effect of A. indicus culture on heavy metal concentration was also evaluated.