Effects of probiotics containing Pediococcus pentosaceus on growth rate, feed efficiency and digestive enzymes of rabbitfish (Siganus guttatus, Bloch 1787)
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digestive enzymes
P. pentosaceus
rabbitfish (Siganus guttatus) cá dìa (Siganus guttatus)
enzyme tiêu hóa
P. pentosacceus
sinh trưởng


This study was conducted to evaluate the effects of Pediococcus pentacocceus supplemented-diets on growth rate, feed efficiency and digestive enzyme activity of rabbitfish (Siganus guttatus, Bloch 1787). Fingerlings (size of 4.63 ± 0.41 g) were fed with three P. pentacocceus supplemented-diets at different concentrations. Specifically, fish were fed diets supplemented with P. pentosaceus at concentration of 107 CFU/g (T1), 108 CFU/g (T2), 109 CFU/g (T3) and a control diet (CT) without P. pentosaceus supplementation. Each diet was performed on 3 replicates. After 60 days of culture, the results showed that diets supplemented with P. pentosaceus significantly improved the growth rate, feed efficiency and digestive enzyme activity of Siganus guttatus compared to the control. Growth parameters such as final weight (20.06 g), weight gain (331.96%) and growth rate (0.25 g/fish/day) were found in T2 and were significant differences compared to the other treatments (p < 0.05). Similarly, digestive enzyme activities including amylase, lipase and protease were significantly increased in the group of fish fed with feed supplemented with P. pentosaceus compared to the control group. The results indicate that the supplementation of P. pentacocceus (specially, at a concentration of 108 CFU/g) into the diets notably improves the growth rate, feed efficiency, and digestive enzyme activity of rabbitfish.

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