DefinePK

Abstract

This study aims to investigate the incidence rate and pathological changes of canker in domestic pigeons. The incidence rate was determined as 50% and the mortality rate was 100%. Clinical examination of birds illustrated tremors, torticollis, paralysis, emaciation and throat swelling. While necropsy inspection revealed a suppurative oropharyngitis, proventriculitis, hepatitis, liver fatty degeneration and brain congestion. Histopathological analysis showed pyogenic and necrotic inflammation of the digestive tract. Hepatic necrosis, granulomas, fatty change, heamosidrosis and protozoan parasites were demonstrated. Myocardial muscle and brain necrosis were also noted. This study concluded that pigeon trichomoniasis is a fatal disease causes an economical losses due to high mortalities (100%) in adult birds than scuabs and further investigations are needed.