Atlas of livestock parasites
digitized collection of microscopical preparations

Atlas of Parasites Contents Information sources Glossary Administration

Aelurostrongylus abstrusus (cats)

Category:


Species:
Endoparasite


Description:
Untitled document

Nematode 

Lungworm  

Distribution: Worldwide.   

Host: Lung parenchyma (terminal respiratory bronchioles, alveolar ducts) of cats an rarely dogs.       

Life Cycle: Final host is the cat, particularly strays, and intermediate stage larvae are found in molluscs. First-stage larvae are released in the airways, coughed up, swallowed, and passed in the feces. Cats are infected by ingesting a snail or slug intermediate host or paratenic hosts (rodents, birds). Pre-patent period is 7-9 weeks with patent period of several years.

Diagnosis: First-stage larvae are detected in feces using the Baermann technique or microscopic detection of larvae in bronchial lavage material. The frst-stage larval tail has a severe kink (S-shaped curve) and a dorsal spine.    

Size: 360–400 × 15–20 µm        

Clinical features: Respiratory symptoms, infrequently diagnosed; infected animals may suffer signs of chronic cough and anorexia. Heavy infection may be fatal. 

 


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