The effects of probiotics supplementation on the growth performance, serum biochemical, and antioxidant activities in Channa punctata fingerlings

Main Article Content

Muhammad Owais
Basim. S.A. Al Sulivany
Bakhtyar Nader Ali
Nuha Hameed Albassam
Khizar Samiullah

Abstract

This research was done on Channa punctata to evaluate the effects of dietary Bacillus subtilis on some on the growth and some physiological activities. 120 healthy fish with 21.3 ± 2.5 g transferred into 12 aquaria and fed four diets: a control (0 g/kg) 3, 6, and 9 g/kg B. subtilis per kg feed for 90 days. The enhancements in growth parameters, with the highest final body weight was 104.4 ± 1.37 g and feed conversion ratio; 1.245 ± 0.0085 recorded in the 9 g/kg group. Lipid profiles also enhanced, with decreased triglycerides (101.2 ± 4.7 mg/dl, p = 0.0009) and improved high-density lipoprotein (HDL) (67.4 ± 2.33 mg/dl, p = 0.0003) in the 6 g/kg group. Digestive enzyme activity (lipase: 131.6 ± 3.57 U/L, p < 0.0001) and antioxidant responses (reduced catalase activity: 10.62 ± 0.2 U/mg, p < 0.0001) were similarly enhanced. This study concluded that Bacillus subtilis at 6–9 g/kg enhances growth, lipid metabolism, and oxidative stress resistance in C. punctata, regarded its use as a sustainable aquafeed additive.

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The effects of probiotics supplementation on the growth performance, serum biochemical, and antioxidant activities in Channa punctata fingerlings (M. Owais, B. S. Al Sulivany, B. Nader Ali, N. H. Albassam, & K. Samiullah, Trans.). (2026). International Journal of Aquatic Research and Environmental Studies, 6(1), 98-112. https://doi.org/10.70102/njqz8b72

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