J4 ›› 2011, Vol. 10 ›› Issue (12): 97-98.
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Objective: To investigate the distribution of intestinal bacteria in the downstream of Erhai Lake by isolation and
identification phage of intestinal bacteria. Methods: Plaque method was applied to isolate and identify bacteriophages specific to intestinal pathogens in the water of Erhai Lake. Results: Bacteriophages specific to dysentery bacillus, typhoid bacillus, paratyphoid B bacteria, E. coli were successfully isolated. Conclusion: The downstream water of Erhai Lake was contaminated by dysentery bacillus, typhoid bacillus, paratyphoid B bacteria and E. coli. This suggested that it is necessary to further strengthen the management of surrounding living sewage discharge in Dali City.