PNEUMONIA
Pneumonia is an inflammation of the lungs caused by bacteria, viruses, fungi, parasites or physical/ chemical agents. It is with inflammation of the bronchi, bronchioli and the pleura, exactly the term is Bronchopneumonia. In pigs caused by Mycoplasma hypneumoniate and haemophilus pleuropneumoniae.Transmission:
Ante-Mortem findings (Done before death in a slaughter house):
- From mother (sow) to the suckling pigs.
- Adult via contact or air.
Enzootic pneumonia:
- No fever
- Acute respiratory distress
- dry cough present
Chronic pneumonia:
- Dry hacking cough
- Retard growth
Pleuropneumonia:
- Fever upto 41ºC
- Respiratory distress
- Bluish mucous membranes of the eye and mouth
- Bloody frothy discharge from nostrils
- Death
Chronic form
- Poor food utilization
- Emaciation
Post-Mortem findings (Done After death in a slaughter house):
Enzootic pneumonia:
- Plum colored, greyish consolidation cardiac and lungs lobes
- Enlarged bronchial lymph nodes
- Purulent pneumonia with abscessation
Chronic pneumonia:
- Bloody frothy in wind pipe
- Generalized solid consistency of lung
- Blood tinged fluid in the chest cavity and abdomen
- Pus filled in the lung
- Whitish clot on lung area
Judgement:
- Case of pleuropneumonia: approved to eat
- Other: affected organs are condemned
- Case Septicemia:The whole carcass and viscera are condemned (in many countries)