An Outbreak of Tick Paralysis in Free-Ranging Mouflon (Ovis ammon musimon)

Publication Type:Journal Article
Year of Publication:2007
Authors:Konjević, D, Janicki, Z, Severin, K, Stanko, M, Živičnjak, T, Slavica, A, Starešina, V
Journal:Journal of Zoo and Wildlife Medicine
Volume:38
Pagination:585-587
Date Published:2007
ISBN Number:10427260
Keywords:Ovis ammon, Ovis orientalis
Abstract:

During November 2006, two live and one dead mouflon (Ovis ammon musimon) were presented with a history of weakness, tremors, and paralysis. After a detailed gross and histologic examination and a bacteriologic, parasitologic, and rabies evaluation, a preliminary diagnosis of tick paralysis was established. A through field search revealed 13 affected mouflons found in the open hunting ground "Sveti Juraj" near the town of Senj (Croatia), along with an additional 35 mouflon carcasses. All 13 mouflons were placed in a quiet, semidark stable. All detectable ticks were removed manually, and the animals were topically treated with 250 ppm of Amitraz water emulsion (Taktic 12.5% EC, Intervet International, 5830 Boxmeer, Netherlands). The collected ticks were identified as Ixodes ricinus, Dermacentor marginatus, and Haemaphysalis punctata. In the following 24 hr, all treated animals recovered fully. This report describes a naturally occurring outbreak of tick paralysis in free-ranging mouflons from a karst habitat.

URL:http://www.jstor.org/stable/20460413
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