Respiratory disease of pigs in Kenya.
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The lungs of 1.1% of 40, 836 slaughtered pigs were condemned between March 1968 and February 1969. The highest incidence was in August (1.6%) and the lowest in June (0.6%). Four groups of respiratory disease were distinguished: virus pneumonia (the most important pneumonia of Kenyan pigs), swine influenza, bacterial pneumonia, and lung-worm pneumonia (Metastrongylus fifth-stage larvae were occasionally seen). The gross and histological lesions are summarized.-MGG