ECHINOCOCCUS EQUINUS HYDATID CYST IN THE LIVER OF A PRZEWALSKI'S HORSE (EQUUS PRZEWALSKII) IN A CANADIAN ZOO

Ellie Milnes; Pauline Delnatte; Christopher J. Dutton; Emily Brouwer; Hugh Y. Cai; Dale A. Smith; Andrew S. Peregrine

doi:10.1638/2018-0072.1

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1 December 2018 ECHINOCOCCUS EQUINUS HYDATID CYST IN THE LIVER OF A PRZEWALSKI'S HORSE (EQUUS PRZEWALSKII) IN A CANADIAN ZOO

Ellie Milnes, Pauline Delnatte, Christopher J. Dutton, Emily Brouwer, Hugh Y. Cai, Dale A. Smith, Andrew S. Peregrine

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J. of Zoo and Wildlife Medicine, 49(4):1047-1050 (2018). https://doi.org/10.1638/2018-0072.1

Abstract

A 23-yr-old captive-born Przewalski's horse mare (Equus przewalskii) was euthanized at a Canadian zoo because of severe colic resulting from rupture of a jejunal pseudodiverticulum. An incidental finding of an encysted larval cestode within a hepatic granuloma was diagnosed on histopathology. Gel-based polymerase chain reaction (PCR) on liver tissue was positive for Echinococcus granulosus sensu lato, and deoxyribonucleic acid sequencing of the PCR product was 100% homologous with Echinococcus equinus. This appears to be the first molecular confirmation of E. equinus in North America, and the first report of cystic echinococcosis in a Przewalski's horse.

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Ellie Milnes, Pauline Delnatte, Christopher J. Dutton, Emily Brouwer, Hugh Y. Cai, Dale A. Smith, and Andrew S. Peregrine " ECHINOCOCCUS EQUINUS HYDATID CYST IN THE LIVER OF A PRZEWALSKI'S HORSE (EQUUS PRZEWALSKII) IN A CANADIAN ZOO," Journal of Zoo and Wildlife Medicine 49(4), 1047-1050, (1 December 2018). https://doi.org/10.1638/2018-0072.1

Accepted: 4 September 2018; Published: 1 December 2018

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