Histological Perfection of Oreochromis niloticus Organs Fed on Biosynthesized Nano-selenium with Probiotic Limosilactobacillus reuteri as Fish Feed Supplements
Tayel, A., Elsayes, N., Eltantawy, H., Gesraha, Y., Mostafa, S., Diab, A., Zayed, M. (2025). Histological Perfection of Oreochromis niloticus Organs Fed on Biosynthesized Nano-selenium with Probiotic Limosilactobacillus reuteri as Fish Feed Supplements. EKB Journal Management System, (), 1-12. doi: 10.21608/ejvs.2025.372333.2755
Ahmed A Tayel; Nancy Elsayes; Haba Eltantawy; Yasmin S. Gesraha; Shawky A Mostafa; Amany Diab; Mohamed M. Zayed. "Histological Perfection of Oreochromis niloticus Organs Fed on Biosynthesized Nano-selenium with Probiotic Limosilactobacillus reuteri as Fish Feed Supplements". EKB Journal Management System, , , 2025, 1-12. doi: 10.21608/ejvs.2025.372333.2755
Tayel, A., Elsayes, N., Eltantawy, H., Gesraha, Y., Mostafa, S., Diab, A., Zayed, M. (2025). 'Histological Perfection of Oreochromis niloticus Organs Fed on Biosynthesized Nano-selenium with Probiotic Limosilactobacillus reuteri as Fish Feed Supplements', EKB Journal Management System, (), pp. 1-12. doi: 10.21608/ejvs.2025.372333.2755
Tayel, A., Elsayes, N., Eltantawy, H., Gesraha, Y., Mostafa, S., Diab, A., Zayed, M. Histological Perfection of Oreochromis niloticus Organs Fed on Biosynthesized Nano-selenium with Probiotic Limosilactobacillus reuteri as Fish Feed Supplements. EKB Journal Management System, 2025; (): 1-12. doi: 10.21608/ejvs.2025.372333.2755

Histological Perfection of Oreochromis niloticus Organs Fed on Biosynthesized Nano-selenium with Probiotic Limosilactobacillus reuteri as Fish Feed Supplements

Egyptian Journal of Veterinary Sciences
Articles in Press, Corrected Proof, Available Online from 12 May 2025  XML PDF (1.79 MB)
Document Type: Original Article
DOI: 10.21608/ejvs.2025.372333.2755
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Authors
Ahmed A Tayel email orcid 1; Nancy Elsayes2; Haba Eltantawy3; Yasmin S. Gesraha2; Shawky A Mostafa4; Amany Diab5; Mohamed M. Zayed3
1Fish processing and biotechnology department, Faculty of Aquatic and fisheries sciences, Kafrelsheikh University
2Department of Fish Processing and Biotechnology, Faculty of Aquatic and Fisheries Sciences, Kafrelsheikh University
3Department of Aquaculture, Faculty of Aquatic and Fisheries Sciences, Kafrelsheikh University
4Department of Pathology, Faculty of Veterinary Medicine, Benha University, Toukh 13736, Egypt
5Department of Aquaculture, Faculty of Aquatic and Fisheries Sciences, Kafrelsheikh University, Kafr El-sheikh 33516, Egypt
Abstract
Nile tilapia farming (Oreochromis niloticus) has numerous potentials but can be challenged by feeding shortage and immune-deficiency of farmed fish. The exploration of probiotic bacteria (Limosilactobacillus reuteri) to mediate the biogenic formulation of selenium nanoparticles (SeNPs) and their consequences in O. niloticus health and organs were targeted herein. The SeNPs were mediated with probiotic and their combination was amended to supplement fish feed at 5% ratio. The probiotic L. reuteri could entrap SeNPs within their cells, with mean diameters of 58.3 nm. The fortification of feed with L. reuteri-SeNPs emphasized their health-promoting consequences; indicated by increasing of fish weight gain, specific growth rate and lowering of feed conversion ratio. The fish weight gain, specific growth rate and of feed conversion ratio were respectively 144.79%, 1.49 % and 1.25, in probiotic-supplemented group, whereas they recorded 108.74%, 1.23% and 1.66, in control group, respectively.  The histological examination of fish liver, spleen, muscle and intestine revealed the promising anti-inflammatory action of L. reuteri-SeNPs supplementation to maintain the healthy tissues features and augment their structures. The fish feed supplementation with L. reuteri-SeNPs is tremendously recommended for advancing growth, immunity and performance of Nile tilapia.  
Keywords
Probiotic bacteria; Growth parameter; Nanoparticles; Nile tilapia; Performance
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