A study on waste water utilization through fish farming
A study was undertaken in Bonhooghly, North 24 Parganas, West area to understand about the wastewater utilization and the benefit comes from fish farming. It was observed that total fifty farmers were involved in fish production and coverage of waste-water body was nearly about 30.54 hacter. Different fingerlings of fish species like, catla, rohu, mrigal, common carp, grass carp, tilapia were sown in the pond area in standard ratio thrice in a year. A good quantity of marketable fishes was obtained from the pond four to five times in a week and harvested fishes were marketed in Kolkata and Howrah area to meet the demand of fishes. The demand of these fishes was very high to neighbouring areas. The study also revealed that providing minimum cost maximum returns were obtained by this technology. The farmers who used to cultivate fish in that particular area received job throughout the year. Moreover, the study pointed out that this technology was feasible as well as profitable to support livelihood for unemployed people.
Key words: Waste-water, Fish cultivation, Livelihood