Indole, Methyl red, Voges-Proskauer, Citrate utilization (IMViC), motility and Triple Sugar Iron (TSI) agar. Antimicrobial sensitivity pattern was carried out by the Modified Kirby-Bauer disc diffusion method for the following commonly used antibiotics. Ampicillin (10 mg),
Tetracycline (30 mg), Chloramphenicol (30 mg), Gentamycine (10 mg),
Ciprofloxacine(5 mg) and Norfloxacine(10 mg) (OXOID, England).