The present study was carried out to evaluate the influence of dietary supplementation of commercial probiotic, Bifilac (mixture of several strains of bacteria and yeast) on growth performance and feed utilization efficiencies of murrel fish, Channa striatus. C. striatus fingerlings with similar body weight (4±1gm) were distributed randomly into five treatment groups, which fed a feed containing Bifilac in five different concentrations such as 1.0 to 5.0 gm/kg. The control group was fed without probiotics for the same period. The fishes were fed twice a day at a rate of 5% of their body weight. The feeding trial was conducted for 60 days. At the end of the feeding trial, maximum weight gain, length gain and specific growth rate (SGR) were observed (P <0.05) in the 5.0 gm/kg probiotic diet fed fishes. FCR was highest in control group and PER and FE values were maximum (P<0.05) in 5.0 gm/kg. Bifilac supplemented group, which was significantly different from other feeding groups. These results clearly suggest that the inclusion of Bifilac at 5.0 gm/kg level can improve growth performance and feed utilization efficiencies in C. striatus fingerlings and it can be used effectively as a probiotics for the use in aquaculture.
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2022: 6.012
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