Osman, N., Ahmed, S. A. . M., hamd, D. M. W. S. E., & Ahmed, A. I. (2020). Characterization and assessment of naturally mutant non-pathogenic O27 strain Escherichia coli and their potential use as poultry probiotics. Journal of Advanced Veterinary and Animal Research, 7(3), 374–383. Retrieved from https://banglajol.info/index.php/JAVAR/article/view/75568