IMPROVING GROWTH AND IMMUNITY IN Labeo rohita USING PROBIOTIC MICROSPHERES
DOI:
https://doi.org/10.17501/23861282.2025.12101Keywords:
microspheres, G. candidum, L. rohita, polymer, alginate, probiotic encapsulation, chitosanAbstract
Microspheres are increasingly used in aquaculture for fish growth and immunity. In vivo efficacy of Geotrichum candidum capsules by using alginate and combined with starch and xanthan with a coated chitosan layer. Labeo rohita fingerlings were equally distributed in 10 groups. Control was fed basal diet and experimental fish was fed probiotic, G. candidum 109 CFU/g, remaining eight groups were fed microspheres-based diet prepared with alginate, starch, xanthan and chitosan in different ratios. A significant impact of probiotic microspheres was found on growth, feed conversion, enzymatic activities, immunology, lipid profile of fish as compared to fish given basal diet. Chitosan microcapsules of G. candidum resulted in higher performance as compared to fish given free probiotic. Among chitosan microcapsules, Alg-C showed a significantly positive impact on all immunological parameters, followed by Alg-C. Chitosan and alginate are best to improve the bioavailability and targeted release of probiotic in GIT tract of L. rohita. Therefore, present study proposes a sustainable solution for improving physiological responses of L. rohita by feeding microspheres.
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