Pinpoint hemorrhages on the kidneys are characteristic of classical swine fever.

Source:USDA Animal and Plant Health Inspection Service (APHIS) outreach material brochure entitled "Classical Swine Fever: Still a Threat", linked to from [1] archive copy at the Wayback Machine. Program Aid #1662, dated September 1999.

Photo credit:Listed as APHIS file photo. (Note:Unfortunately most of the other images from this brochure are reproduced by permission, and probably not public domain.)

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