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Gastric squamous cell carcinoma in ruminants is usually quite rare.However, it has been observed in cattle of certain regions of Scotland, England, and Kenya with increasing frequency.In this report, we describe gastric squamous cell carcinoma in 3 llamas in Alabama.The 3 animals presented with clinical signs ranging from wasting and paralysis to sudden death with no previously observed symptoms.Papillomavirus could not be demonstrated ultrastructurally or by immunohistochemical screening in the neoplastic tissue of the llamas.A 2-year-old 136-kg female llama (llama 1) was presented to the large animal clinic in lateral recumbency.She had been bred 2 weeks earlier and remained recumbent following coitus.A response to deep pain was not detected in the rear limbs and radiographs of the lumbar spine and pelvis did
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Sartin et al. (1997) studied this question.
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