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Dead pile; ewe carcasses following an outbreak of BTV-17 in a flock of sheep in northern Wyoming. Fall 2007 Click on thumbnails below to see larger image.
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Purulent nasal discharge due to bluetongue. Note crust formation in mucosa of the and on lips |
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Extensively crusted nasal mucosa due to bluetongue |
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Oral and nasal lesions. Erythema of nasal passage (arrowhead). Ulcers with adherent exudate (arrows) |
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Depressed sheep with swollen head. Edema of the head is thought to be due to vasculitis, since BTV infects and damages blood vessels. Note crusting in nostril |
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Coronitis and laminitis in a sheep with bluetongue. Note purple discoloration of upper part of hoof wall |
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Depressed sheep with oral discharge. Bluetongue |