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Effect of biofloc on water quality and growth performance of Etroplus suratensis (Bloch, 1790)

Journal of Entomology and Zoology Studies · 2019 · Vol. 7(1) · pp. 1287–1291

Anjali P Thilakan✉PK PandeyManju Lekshmi NSP ShuklaGB Sreekanth

Abstract

This study evaluated the effect of biofloc on water quality and growth performance of Etroplus suratensis for 161 days at ICAR-CCARI, Goa. It included two treatments T1 (wheat flour + formulated feed (2% of fish biomass) and T2 (wheat flour) and a control (formulated feed) with triplicate in 312 L capacity indoor cement tanks filled with 25 L of pond water and 275 L of tap water. The tanks were left for 15 days to make it favorable for the growth of microbes to develop the biofloc. The fingerlings of Pearlspot, Etroplus suratensis with an average body weight of 9.2±0.2 g were stocked at a rate of 50 no. /tank and cultured for a period of 161 days. Specific growth rate (SGR) was recorded significantly (P

Fish Biology and Ecology Studies Water Quality Monitoring Technologies Fish Ecology and Management StudiesWater qualityFish <Actinopterygii>Tap waterAnimal scienceBiomass (ecology)Body weightFisheryBiologyFood scienceChemistry

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