Comparative Study of Biofloc Systems with Varying Management Approaches for Indoor Culture of Clarias Batrachus

Ankit Kumar; Nageshwar Wast

doi:10.36948/ijfmr.2025.v07i06.61167

Comparative Study of Biofloc Systems with Varying Management Approaches for Indoor Culture of Clarias Batrachus

Author(s)	Mr. Ankit Kumar, Dr. Nageshwar Wast
Country	India
Abstract	Biofloc technology (BFT) is an environmentally sustainable approach in aquaculture that improves water quality and natural food availability through microbial flocs in the water column; however, there is insufficient data regarding its comparative efficacy with other management strategies for Clarias batrachus in intensive indoor culture systems. To compare the static systems, aerated systems, and probiotics-aided biofloc systems on the basis of quality and quantity of water, growth, feed utilization, and survival of Clarias batrachus in an indoor culture environment. This research involved three 500 L tanks replicated three times to take 90 days of experimentation. There were three treatments as follows: (T1) static biofloc, (T2) aerated biofloc and (T3) probiotic-assisted biofloc. Parameters of water quality (temperature, dissolved oxygen, pH, TAN, nitrite) and indicators of fish performance priority (weight gain, specific growth rate, feed conversion ratio, and survival) were also measured every week. Mean values and graphical trends were done with Microsoft excel. The dissolved oxygen was maintained at a higher level (6.2 ± 0.2 mg/ml) and the TAN and nitrite were also lower (0.52 ± 0.02 mg/ml; 0.15 ± 0.02 mg/ml) in probiotic-assisted biofloc (T3) than aerated (T2) and non-aerated (T1) system. Fish cultured in T3 had the highest final weight (84.2g), weight gain (72g), specific growth rate, improved feed conversion ratio and survival rate as compared to T2 that was ranked second and T1 had the lowest values. The research concludes that probiotic aided biofloc systems have the best effect in improving the water quality, improving growth, and survival of the Clarias batrachus in an indoor and intensive fish culture, and its applicability as an eco-friendly strategy of fish farming.
Keywords	Biofloc-technology, Clarias batrachus, Indoor culture, Probiotics, Water quality
Field	Biology > Zoology
Published In	Volume 7, Issue 6, November-December 2025
Published On	2025-11-20
DOI	https://doi.org/10.36948/ijfmr.2025.v07i06.61167
Short DOI	https://doi.org/hbb4hn

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Comparative Study of Biofloc Systems with Varying Management Approaches for Indoor Culture of Clarias Batrachus

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