Fatal Sarcocystis falcatula Infection in Three Penguins.

Autor: Kirejczyk SGM; Department of Pathology, College of Veterinary Medicine, University of Georgia, Athens, GA, United States., Burns RE; Connecticut Veterinary Medical Diagnostic Laboratory, Department of Pathobiology and Veterinary Science, College of Agriculture, Health and Natural Resources, University of Connecticut, Storrs, CT, United States., Hyatt MW; Adventure Aquarium, Camden, NJ, United States., Yabsley MJ; Southeastern Cooperative Wildlife Disease Study, College of Veterinary Medicine, University of Georgia, Athens, GA, United States.; Warnell School of Forestry and Natural Resources, University of Georgia, Athens, GA, United States., Ter Beest JM; Louisville Zoological Garden, Louisville, KY, United States., Gyimesi ZS; Louisville Zoological Garden, Louisville, KY, United States., Ossiboff RJ; The Wildlife Conservation Society, Bronx, NY, United States., Waltman A; The Wildlife Conservation Society, Bronx, NY, United States., Seimon TA; The Wildlife Conservation Society, Bronx, NY, United States., McManamon R; Department of Pathology, College of Veterinary Medicine, University of Georgia, Athens, GA, United States.; Zoo and Exotic Animal Pathology Service and Infectious Diseases Laboratory, Department of Small Animal Medicine and Surgery, College of Veterinary Medicine, University of Georgia, Athens, GA, United States.
Jazyk: angličtina
Zdroj: Frontiers in veterinary science [Front Vet Sci] 2019 Oct 10; Vol. 6, pp. 340. Date of Electronic Publication: 2019 Oct 10 (Print Publication: 2019).
DOI: 10.3389/fvets.2019.00340
Abstrakt: Sarcocystis falcatula is a well-known cause of fatal pneumonia in some birds, particularly Old World psittacines. Here we describe fatal sarcosystosis due to S. falcatula in 3 penguins (Family Spheniscidae) under managed care, including one African penguin ( Spheniscus demersus ), and two Southern rockhopper penguins ( Eudyptes chrysocome ). Randomly distributed foci of necrosis, inflammatory cell infiltrates, edema, and variable numbers of round to elongated protozoal schizonts were observed in sections of lung. Protozoal organisms exhibited strong immunoreactivity for Sarcocystis sp. antigen by immunohistochemistry. Apicomplexan and Sarcocystis genus-specific PCR assays and sequence analysis confirmed S. falcatula as the etiologic agent. These cases of fatal pneumonia attributed to S. falcatula expand the list of aberrant intermediate avian hosts, with particular implications for penguins.
(Copyright © 2019 Kirejczyk, Burns, Hyatt, Yabsley, Ter Beest, Gyimesi, Ossiboff, Waltman, Seimon and McManamon.)
Databáze: MEDLINE