إرسال التسجيلة بالبريد الالكتروني: Neutralization of Interleukin-10 Significantly Enhances Gamma Interferon Expression in Peripheral Blood by Stimulation with Johnin Purified Protein Derivative and by Infection with Mycobacterium avium subsp. paratuberculosis in Experimentally Infected Cattle with Paratuberculosis