| Type | MGI:General | Description | less IFN-gamma is secreted from peritoneal T cells and splenic T cells from M. bovis infected mutant mice than wild-type after re-stimulation with purified protein derivative levels of IFN-gamma in the peritoneal cavity of M. bovis infected mice are lower than in controls mice infected with M. bovis through the airways show reduced IFN-gamma production from mediastinal lymph node cells |