région (1) effet (1) maladie (1) investigation (1) bovins (1) Égypte (1) Reliability (1) Causes (1) Control (1) Area (1) Cases (1) Area (1) Tuberculosis in cattle (1) Tuberculosis (1) Tuberculin test (1) Tuberculin (1) Slaughtering and slaughter-houses (1) Serum (1) Reliability (1) Errors (1) Enzyme-linked immunosorbent assay (1) Animals (1) Addition (1) Cases (1) Detection (1) Tuberculosis (1) Reference (1) Examination (1) maladie (1)