First case of Plasmodium relictum lineage pGRW11 infection in a captive-bred common eider (Somateria Mollissima) in Europe

A 4-year-old, female common Eider (Somateria mollissima) was presented for mild lethargy with no previous medical history. Numerous intraerythrocytic, round-shaped inclusions were visualized on blood smears, later morphologically identified as Plasmodium relictum parasites. Despite oral doxycycline...

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Bibliographic Details
Published in:Veterinary parasitology (Amsterdam) 2021-01, Vol.23, p.100529-100529, Article 100529
Main Authors: Thorel, Milan, Chavatte, Jean-Marc, Landau, Irène, Lemberger, Karin, Leclerc, Antoine
Format: Article
Language:English
Subjects:
Common Eider
Haemosporidia
Hemoparasite
Life Sciences
pGRW11
Plasmodium relictum
Somateria mollissima
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Summary:A 4-year-old, female common Eider (Somateria mollissima) was presented for mild lethargy with no previous medical history. Numerous intraerythrocytic, round-shaped inclusions were visualized on blood smears, later morphologically identified as Plasmodium relictum parasites. Despite oral doxycycline treatment, clinical condition declined 48 h later. Supportive care was initiated, but the bird died rapidly. Necropsy revealed acute, internal hemorrhages (lungs, air sacs) and subcutaneous, diffuse cervical hematoma, associated with resuscitation attempts. Marked, multicentric amyloidosis (kidney, liver, spleen) was the main histological finding. Molecular analysis identified lineage pGRW11 of P. relictum. This is the first reported case of P. relictum lineage pGRW11 infection in a common Eider. This report describes the clinical features, diagnosis, treatment and associated pathological findings of infection by P. relictum lineage pGRW11 in a common Eider.
ISSN:2405-9390
2405-9390
DOI:10.1016/j.vprsr.2020.100529