Iowa State University Veterinarian Records, RS 22/6/0/9, University Archives, Special Collections Department, Iowa State University, http://www.add.lib.iastate.edu/spcl/arch/rgrp/22-6-0-9.html
A producer in north central Iowa experienced a swine epizootic of pseudorabies. The young piglets exhibited typical central nervous signs of trembling, convulsions, and paddling. Mortality was over 50% in the piglets. Pregnant sows showed increased abortions and stillbirths, finally causing a low 5.4 farrowing average. Diagnosis was by virus isolation, fluorescent antibody tests, and histopathology. No treatment was successful. A review of current literature follows with the case reports.
"Pseudorabies in Swine,"
Iowa State University Veterinarian: Vol. 37
, Article 8.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol37/iss1/8