Antibacterial effects of Eisenia fetida, earthworm extract against pathogenic bacteria isolated from cyprinus carpio

In the present investigations, whole body extract of earthworm, Eisenia fetida was tested for antibacterial activity against fish bacterial pathogens. The bacteria were isolated from different tissues of infected common carp, Cyprinus carpio and identified by gram staining method. A total of eight pathogenic bacteria were isolated. Antimicrobial activity of the extract was studied under in vitro conditions by well diffusion assay.