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VOL. 10, ISSUE 2 (2025)
Effects of monoculture and polyculture difference stocking density of Nile tilapia Oreochromis niloticus and African catfish Clarias gariepinus fingerlings on water quality of fish culture in concrete ponds
Authors
Hassan M Yagoub, Fathia A Khogali, Ramzy A Yousif , Mohamed T Ibrahim
Abstract
This study was conducted to evaluate the
effect of monoculture and polyculture systems; (1 tilapia O. niloticus:
0 catfish C. gariepinus, 0 tilapia O. niloticus: 1 catfish C.
gariepinus, 1 tilapia O. niloticus: 1 catfish C. gariepinus,
2 tilapia O. niloticus: 1 catfish C. gariepinus, 3 tilapia O.
niloticus: 1 catfish C. gariepinus, 1 tilapia O. niloticus: 2
catfish C. gariepinus and 1 tilapia O. niloticus: 3 catfish C.
gariepinus) at different stocking
density (12, 24, 36 and 48 fish/m-3) on fish culture environment in
concrete ponds. Fingerlings cultured for sixteen weeks. Water parameters
monitored and mustered biweekly using handheld refractometers; and some water characteristics (NO2, NO3, electrical
conductivity, total alkalinity and total hardness) were analysis in laboratory. Data were statistically analysed using one-way (ANOVA) analysis of
variance; and (LSD) made the Comparisons among means. The results of
physio-chemical water quality parameters (DO, NH4, PH, NO3
and total dissolved solid) ranged from 3.47 to 3.90, 0.22 to 0.35, 7.3 to 7.6,
2.33 to 3.13 mg/L-1 and 101.7 to 124 ppm, respectively showed
significant difference (p<0.05); and (temperature, NH3, NO2,
electrical conductivity, total alkalinity and total hardness) with 24.50 OC,
0.01 mg/L-1, 0.02 mg/L-1, 1977.83 µs/cm, 161.3 ppm and
316.3 ppm respectively, there was no significant difference (p>0.05).
Generally, the results of study within the acceptable range of water quality of
fish culture environment.
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Pages:30-35
How to cite this article:
Hassan M Yagoub, Fathia A Khogali, Ramzy A Yousif , Mohamed T Ibrahim "Effects of monoculture and polyculture difference stocking density of Nile tilapia <i>Oreochromis niloticus</i> and African catfish <i>Clarias gariepinus</i> fingerlings on water quality of fish culture in concrete ponds". International Journal of Fisheries and Aquatic Research, Vol 10, Issue 2, 2025, Pages 30-35
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