An outbreak of Sarcocystis calchasi encephalitis in multiple psittacine species within an enclosed zoological aviary.

@article{Rimoldi2013AnOO,
  title={An outbreak of Sarcocystis calchasi encephalitis in multiple psittacine species within an enclosed zoological aviary.},
  author={Guillermo M. Rimoldi and Brian Speer and James F X Wellehan and Daniel S. Bradway and Lewis Wright and Drury R. Reavill and Bradd C. Barr and April L Childress and H. L. Shivaprasad and Richard P Chin},
  journal={Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc},
  year={2013},
  volume={25 6},
  pages={775-81}
}
A total of 5 psittacine birds in an enclosed zoological exhibit, including 2 princess parrots and 3 cockatoos of 2 different species, developed severe central nervous system clinical signs over a 2-3-month period and died or were euthanized. Histologically, all birds had a lymphoplasmacytic and histiocytic encephalitis with intralesional protozoa consistent with a Sarcocystis species in addition to intramuscular tissue sarcocysts. By immunohistochemical staining, merozoites in brain and tissue… CONTINUE READING