Image Number D1440-1 |
Microbiologist Judy Stabel evaluates the results of the interferon-gamma blood test to diagnose cows infected with M. avium subspecies paratuberculosis.
Photo by Peggy Greb.
Image Number D1440-1 |
Microbiologist Judy Stabel evaluates the results of the interferon-gamma blood test to diagnose cows infected with M. avium subspecies paratuberculosis.
Photo by Peggy Greb.