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Updated: June 10, 2025
It is usually found lying down and shows labored breathing that is occasionally interrupted by paroxysmal coughing. The death rate in poorly-cared-for herds is heavy. VERMINOUS BRONCHITIS AND PNEUMONIA OF SHEEP. The two lung worms of sheep are the Strongylus filaria and Strongylus rufescens. The S. filaria is thread-like and the S. refuscens hair-like in appearance.
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