| Literature DB >> 26801595 |
J G Trupkiewicz1, R Calero-Bernal2, S K Verma2, J Mowery3, S Davison4, P Habecker4, T A Georoff1, D M Ialeggio1, J P Dubey5.
Abstract
Four Roller pigeons (Columba livia f. dom.) at the Philadelphia Zoo died suddenly. Necropsy examination revealed macroscopic hepatitis. Microscopically, the predominant lesions were in liver, characterized with necrosis and mixed cell inflammatory response. Sarcocystis calchasi-like schizonts and free merozoites were identified in liver. Transmission electron microscopy confirmed that schizonts were in hepatocytes. A few schizonts were in spleen. PCR using S. calchasi-specific primers confirmed the diagnosis. Neither lesions nor protozoa were found in brain and muscles. This is the first report of acute visceral S. calchasi-associated sarcocystosis in naturally infected avian hosts. Published by Elsevier B.V.Entities:
Keywords: Hepatitis; Roller pigeons (Columba livia); Sarcocystis calchasi; Schizonts
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Year: 2015 PMID: 26801595 DOI: 10.1016/j.vetpar.2015.11.008
Source DB: PubMed Journal: Vet Parasitol ISSN: 0304-4017 Impact factor: 2.738