Pulmonary nematodiasis

Pulmonary nematodiasis is a nematode parasitic disease of animals characterized by dyspnoea, coughing, diarrhoea, stunted growth and nodules in lungs.

  • Also known as lungworm disease or verminous pneumonia or dictyocauliasis.
  • Adult parasites remain in trachea, bronchi and bronchioles and embedded in mucosa.
  • Eggs are laid and swallowed with cough.
  • Hatch to produce larvae that come with faeces.
  • Third stage larvae are ingested by susceptible animal and penetrate the intestinal wall and migrate to lymph nodes.
  • Develop 4th stage larvae.
  • By way of lymphatics and pulmonary artery, they enter in bronchioles and bronchi to cause lung lesions.
  • Characteristic Symptoms are Hacking cough with dyspnea, Diarrhoea and Retarded growth.

For more details please download the attachment- PPT.


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