The prospects of biofloc Technology for sustainable domestic level Aquaculture Development for rohu (Labeo Rohita) | [International Journal of Biology and Biotechnology • 2025]

Author(s):

1. Shafaq Shahbaz: Department of Chemistry, N.E.D. University of Engineering & Technology, Karachi 75270, Pakistan.

2. Kashif Ahmed: Department of Chemistry, N.E.D. University of Engineering & Technology, Karachi 75270, Pakistan.

Abstract:

Over a period of ten weeks, this research explored the effects of Bio-floc technology (BFT) on key aspects of Rohu (Labeo rohita) aquaculture, including water quality, growth performance, feed utilization, and overall fish health within a zero-water exchange tank system. The results demonstrated positive outcomes, reinforcing the effectiveness of BFT in sustaining ideal conditions for rohu cultivation. The system successfully regulated essential water quality parameters within recommended limits. The Specific Growth Rate (SGR) reached 7.22% per day, indicating significant growth efficiency, while the fish exhibited an average daily length increase of 18.7%. Key water quality factors, including total ammonium nitrogen (TAN), nitrite, nitrate, and chlorine, were maintained at safe levels, ensuring a conducive environment for fish growth. TAN remained consistently below 1.3 mg/L, nitrite levels did not exceed 0.5 mg/L, and nitrate concentrations stayed well below the harmful threshold of 50 mg/L, supporting efficient nutrient absorption. Additionally, no traces of harmful chlorine compounds were detected. The system also sustained dissolved oxygen levels above 4 mg/L, ensuring adequate oxygen supply for the fish. These findings highlight the potential of BFT as an eco-friendly and effective method for developing Rohu aquaculture conditions.

Page(s): 255-262

DOI: DOI not available

Published: Journal: International Journal of Biology and Biotechnology, Volume: 22, Issue: 2, Year: 2025

Keywords:

Water quality , Rohu , Specific growth rate , Biofloc Technology , aqua culture

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