Pseudomona aeruginosa is one of the SH2 producer bacteriae involved in production of toxic hepatoenteritis in bird in dry climates.

Pompous blind intestines due to gas and yellow greenish plates because of tipus IV exotoxins secretion, are shown in picture. These plates are composed by glycolipids containing one or two ramnose molecules (ramnolipds)  and piocianin. Those toxigenic mechanism conferes the pathologic properties to this entherobacteria.