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  • Title: [Pathologic changes in the lungs of deer spontaneously infected with nematodes from the Protostrongylidae family].
    Author: Rezác P, Blazek K.
    Journal: Vet Med (Praha); 1991 May; 36(5):315-20. PubMed ID: 1771735.
    Abstract:
    Lungs of 30 animals of the red deer (Cervus elaphus hippelaphus) attacked by parasitic helminths were submitted to a histological examination, and the changes which were caused by the nematodes of Protostrongylidae family were estimated. The lungworm Varestrongylus sagittatus (Mueller, 1891) creates hatching tubercles of a dark-red or yellow-green and even ochre colour. The lobular catarrhal bronchopneumonia is a histological correlate. In hatching tubercles there are located adult nematodes, ova of 46 x 27 microns and larvae of the 1st stage. For the infection of the Elaphostrongylus cervi nematodes (Cameron, 1931), the typical changes are those of the character of disseminated interstitial pneumonia. In the pulmonary tissue affected in such a way, there are numerous haemorrhages often visible microscopically. In the capillaries of interalveolar septa there are ova of E. cervi that reach up to 83 microns in dependence on the degree of their development and in alveoli there are larvae of the 1st stage. Adults do not occur in lungs.
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