A male Holstein fetus that had been aborted at a gestational age of 7 months and placenta were submitted for necropsy. The fetus weighed 5.8 kg (12.8 lb). The dam resided on a dairy farm (herd size, 30 bovids). The cow aborted the fetus on December 5, 2007, approximately 7 months after artificial insemination. The vaccination history of the herd was unknown.
Clinical and Gross Findings
On gross examination, autolysis of the fetus was moderate, and the crown to rump length was 49 cm. There were multiple to coalescing gray, slightly raised, cutaneous plaques on the skin at the