TY - GEN AU - Nielsen,S S TI - Transitions in diagnostic tests used for detection of Mycobacterium avium subsp. paratuberculosis infections in cattle SN - 0378-1135 PY - 2009///0116 KW - Animals KW - Cattle KW - Cattle Diseases KW - diagnosis KW - Dairying KW - Feces KW - microbiology KW - Female KW - Milk KW - Mycobacterium avium subsp. paratuberculosis KW - isolation & purification KW - Paratuberculosis N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1016/j.vetmic.2008.05.018 ER -