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1 March 2000 HALICEPHALOBUS GINGIVALIS (NEMATODA) INFECTION IN A GREVY'S ZEBRA (EQUUS GREVYI)
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Abstract

A 6-yr-old female Grevy's zebra (Equus grevyi) with a disseminated rhabditiform nematode infection is described. Antemortem clinical signs were limited to blindness and abnormal behavior believed to be caused by a recurrent nematode-induced uveitis. Histologic examination of the kidneys, heart, eyes, uterus, and lymph nodes revealed granulomas containing multiple sections of rhabditiform nematodes. Most of the recovered nematodes were larval stages with only a few adult females noted. The adults measured 243–297 µm × 11–16 µm ( = 269 × 14 µm). The distinctive rhabditiform esophagi had corpus:isthmus:bulb proportions of 19:11:5. On the basis of adult morphology, the nematode was identified as Halicephalobus gingivalis. This is the first report of this parasite in a zebra and indicates that this parasitic granulomatous disease should be considered in zebras with neurologic disease.

Ramiro Isaza, Chris A. Schiller, Janet Stover, Patricia J. Smith, and Ellis C. Greiner "HALICEPHALOBUS GINGIVALIS (NEMATODA) INFECTION IN A GREVY'S ZEBRA (EQUUS GREVYI)," Journal of Zoo and Wildlife Medicine 31(1), 77-81, (1 March 2000). https://doi.org/10.1638/1042-7260(2000)031[0077:HGNIIA]2.0.CO;2
Received: 16 July 1998; Published: 1 March 2000
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