Investigation of inhibitory activity of enterococci isolated from the digestive tract of chickens against some enteropathoenic bacteria
2008
Miteva, T., Thracian University, Stara Zagora (Bulgaria) | Bojcheva, S., Thracian University, Stara Zagora (Bulgaria)
Inhibitory activity of 96 strains of enterococci, isolated from chicken's digestive tract is studied. 52 strains of them are isolated from chickens reared in industrial coditions and 44 strains - from chickens reared in natural domestic conditions. Antimicrobial activity of isolated enterococci against 4 strains of enteropathogenic E. coli and 3 strains of Salmonella bacteria (S. typhimurium, S. enteritidid and S. gallinarium) is determined. Higher inhibitory activity against tested enteropathogenic strains is observed for enterococci, isolated from gigestive tract of chickens, reared in natural domestic conditions. The maximum inhibitory activity was 86.00% against E. coli and 84.82%, 84.00% and 83.46% against S. typhimurium, S. enteritidis and S. gallinarum respectively.
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