Isolation and Identification of Proteus mirabilis in Muscovy Duck

A bacterial strain was isolated from lungs of growing muscovy ducklings characterized by dyspnea, cough, hemorrhage or ecchymosis in lung, airsacculitis and hemorrhage of trachea mucosa. It was identified as Proteus mirabilis by staining, microscopy and biochemical test Higher pathogenicity was found by experimental infection to muscovy ducklings.