The effects of spp. (7 Log CFU g feed) and fructooligosaccharide (FOS, 1%) as functional feed additives, either alone or in combination, were evaluated in a study on rohu, fingerlings. The fish were fed different diets for 90 days, including a control diet and diets supplemented with FOS, , or synbiotic formulations of these. The results showed that the combination of and FOS significantly improved weight gain, feed utilisation and protease activity compared to the other groups. Overall, the groups supplemented with probiotics and synbiotics ( + FOS or + FOS) showed improvements in haematology, serum biochemistry and immune parameters compared to the control group. After 90 days of experimental feeding, the fish were challenged with pathogenic , and data on haematology, immunity and stress parameters were collected. The results indicated that the application of spp. and FOS boosted immunity and resistance to physiological stress in the fish. The highest post-challenge survival rate was observed in fish fed a diet with and FOS, indicating the potential of this particular combination of functional feed additives to enhance growth, immunity and disease resistance in .
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| http://dx.doi.org/10.3390/ani13162631 | DOI Listing |
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