Characterization of Escherichia coli isolated from migratory water fowls in Hakaluki Haor, Bangladesh

Authors

Migratory birds, Escherichia coli and toxin profile

A total of 135 fecal samples were collected to characterize the Escherichia coli isolates from the migratory

waterfowls (whistling Swan) harbored in the Hakaluki Haor of Bangladesh in the year of 2008 and 2009. Out of 135

fecal samples, 100 samples were distinguished as positive for isolates of Escherichia coli following cultural,

biochemical and motility test. Amongst the recovered isolates only 38% were found upbeat to enterotoxin

production propensity on mice inoculation test. Finally, out of 38 % enterotoxigenic E. coli (ETEC) positive isolates

no any isolates found to be positive for the aptitude of heat stable (ST) toxin yield. So, the presence of ETEC in

migratory waterfowls indicating the possibilities of them to act as vector and reservoir of E. coli to spread further

infection to animals and humans. This work indicates the first time ETEC characterization from the migratory birds

of Bangladesh.

Dept. Of Dairy & Poultry Science, Faculty of Veterinary & Animal Sciences, Sylhet Agricultural University, Bangladesh

Dept. Of Applied Nutrition & Food Technology, Islamic University, Kushtia, Bangladesh

Dept. Of Medicine & Surgery, Faculty of Veterinary & Animal Sciences, Sylhet Agricultural University, Bangladesh,

Dept. Of Microbiology & Hygiene, Faculty of Veterinary & Animal Science, Sylhet Agricultural University, Bangladesh

Dept. Of Pathology &

Parasitology, Faculty of Veterinary & Animal Science, Sylhet Agricultural University, Bangladesh