a Agar well diffusion method of IRG synthesized AgNPs against 24 h grown pathogenic bacteria cultures (C-streptomycin; AgNPs: 25, 50 and 100 µg/ml concentrations; 1, 2, 3, 4 and 5—E. coli, B. subtilis, P. aurogenosa, S. typhi and control respectively). b The MIC assay of IRG mediated AgNPs tested against poultry pathogenic bacteria