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1 April 1997 Use of Fenbendazole for Long-term Control of Protostrongylid Lungworms in Free-ranging Rocky Mountain Bighorn Sheep
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Abstract

In an effort to control Protostrongylus spp. in a Rocky Mountain bighorn sheep herd (Ovis canadensis canadensis) of approximately 30 animals, fenbendazole-medicated salt was placed on the Stillwater bighorn winter range in southcentral Montana (USA) for four consecutive winters, 1990 to 1993. Sheep of all age and sex classes were observed using the medicated salt throughout the study period. Prevalence and average number of lungworm larvae per gram of bighorn feces declined significantly (P < 0.05) from pretreatment levels (1987 to 1989), and remained low throughout the study period. Free-choice availability of fenbendazole-medicated salt is a potentially effective management tool for long-term control of protostrongylid lungworm.

Jones and Worley: Use of Fenbendazole for Long-term Control of Protostrongylid Lungworms in Free-ranging Rocky Mountain Bighorn Sheep
L. C. Jones and D. E. Worley "Use of Fenbendazole for Long-term Control of Protostrongylid Lungworms in Free-ranging Rocky Mountain Bighorn Sheep," Journal of Wildlife Diseases 33(2), 365-367, (1 April 1997). https://doi.org/10.7589/0090-3558-33.2.365
Received: 2 May 1996; Published: 1 April 1997
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