Breadcrumb ... Home Faculty and Staff Directory Martha Ohnstad Senior Microbiologist, Virology Email 605-688-5171 Mailing Address: Animal Disease Research 1153 Veterinary & Biomedical Sciences-Box 2175 University Station Brookings, SD 57007 Office Location: Animal Disease Research and Diagnostic Laboratory Room 1153 Back to Directory Associated Areas Animal Disease Research and Diagnostic Laboratory Department of Veterinary and Biomedical Sciences College of Agriculture, Food and Environmental Sciences