Acute, fatal Sarcocystis calchasi-associated hepatitis in Roller pigeons (Columba livia f. dom.) at Philadelphia Zoo

被引:20
作者
Trupkiewicz, J. G. [1 ]
Calero-Bernal, R. [2 ]
Verma, S. K. [2 ]
Mowery, J. [3 ]
Davison, S. [4 ]
Habecker, P. [4 ]
Georoff, T. A. [1 ]
Ialeggio, D. M. [1 ]
Dubey, J. P. [2 ]
机构
[1] Philadelphia Zoo, 3400 W Girard Ave, Philadelphia, PA 19104 USA
[2] ARS, USDA, Anim Parasit Dis Lab, Beltsville Agr Res Ctr, Bldg 1001, Beltsville, MD 20705 USA
[3] ARS, USDA, Electron & Confocal Microscopy Unit, Beltsville Agr Res Ctr, Bldg 12, Beltsville, MD 20705 USA
[4] Univ Penn, Sch Vet Med, New Bolton Ctr, Penn Anim Diagnost Lab Syst, 382 West St Rd, Kennett Sq, PA 19348 USA
关键词
Sarcocystis calchasi; Roller pigeons (Columba livia); Schizonts; Hepatitis; FALCATULA INFECTIONS; ENCEPHALITIS; DISEASE;
D O I
10.1016/j.vetpar.2015.11.008
中图分类号
R38 [医学寄生虫学]; Q [生物科学];
学科分类号
07 ; 0710 ; 09 ; 100103 ;
摘要
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.
引用
收藏
页码:52 / 58
页数:7
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