Table 1.

Bacterial species found on each sampled species and respective sampled site.

Organ	Tilapias	Mallard ducks	Snowy egret
Gills	Escherichia coli Edwarsiella tarda*Plesiomonas shigelloides	–	–
Stomach	Escherichia coli Edwarsiella tarda* Bacillus cereus	–	–
Intestine and cloaca	Proteus vulgaris Morganella morganii Edwarsiella tarda* Escherichia coli	Escherichia coli Edwarsiella tarda* Enterococcus faecalis Enterococcus faecium	Escherichia coli Edwardsiella tarda* Enterococcus faecalis
Trachea	–	Aeromonas hydrophila Klebsiella pneumoniae Escherichia colli Morganella morganii	Citrobacter freundii Serratia marcescens Klebsiella pneumoniae Edwardsiella tarda*
Spleen	Edwarsiella tarda*	–	–
Pericardium	–	Edwarsiella tarda* Acinetobacter bawmanni Escherichia coli Enterobacter aerogenes Enterococcus hirae	–

*positive for Edwardsiella tarda.