Author Affiliations +
Michael P. Martin,1 P. S. Wakenell,1 P. Woolcock,2 B. O'Connor3
1University of California at Davis, School of Veterinary Medicine, Dept. Population Health and Reproduction, 1 Shields Ave. 1114 Tupper Hall, Davis, CA 95616
2California Animal Health and Food Safety Laboratory System, Fresno Branch, University of California, Davis, 2789 S. Orange Ave., Fresno, CA 93725
3Foster Farms, 14519 Collier Road, Delhi, CA 95315