Dietary supplementation of Bacillus amyloliquefaciens and β-glucan, both individually and in conjunction effected growth performance, skin mucosal immunity, mRNA expression, and disease protection against Aeromonas hydrophila in striped snakehead, Channa striata (Bloch 1793)

Pushpa Choudhray

doi:10.1016/j.fsi.2025.111063

Dietary supplementation of Bacillus amyloliquefaciens and β-glucan, both individually and in conjunction effected growth performance, skin mucosal immunity, mRNA expression, and disease protection against Aeromonas hydrophila in striped snakehead, Channa striata (Bloch 1793)

2025-12-06

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Pushpa Choudhray *

S

Siddaiah Gm

J

Jackson Debbarma

C

Chinmayee Muduli *

DOI：10.1016/j.fsi.2025.111063

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• B. amyloliquefaciens H23 shows broad tolerance to pH, bile, salt, and extreme gut-like conditions. • The synbiotic (108 CFU g−1 B. amyloliquefaciens + 0.5 % β-glucan) produced the best responses in Channa striata. • Synbiotic improved growth, feed efficiency, and yielded the highest digestive enzyme activity. • Synbiotic fed fish showed higher immune and antioxidant levels and reduced cortisol. • Synbiotic boosted key immune, growth, anti-oxidant genes and increased A. hydrophila survival by 27.7 %.

Dietary supplementation of Bacillus amyloliquefaciens and β-glucan, both individually and in conjunction effected growth performance, skin mucosal immunity, mRNA expression, and disease protection against Aeromonas hydrophila in striped snakehead, Channa striata (Bloch 1793)

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