<i >Actinobacillus lignieresii</i> infection, submandibular swelling, cow

Actinobacillus lignieresii infection, submandibular swelling, cow

Infection by Actinobacillus lignieresii has caused substantial swelling of the submandibular lymph node and distention of the salivary ducts in this cow.

Courtesy of Dr. Sameeh M. Abutarbush.