Clinical Sciences Question of the day

A flock of sheep is evaluated for weight loss and several have swollen areas under their jaws and in their flanks. A couple ewes have a cough and purulent nasal discharge.

This all began after the farmer bought some replacement ewes from auction several months ago. The farmer began to shear one sheep and noted abnormalities on the neck as seen here:

Which one of the following choices best describes the organism responsible for this condition?

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