Bovine TB — United States
The genetic testing of the organism isolated from the 1st cow, which was diagnosed with the disease at slaughter, showed it matched the DNA of a tuberculosis organism isolated from a worker who had been diagnosed with the disease when he was employed at the farm briefly in 2015.
Testing of the cattle on the farm includes 3 tests, Konkle said, including a caudal fold skin test, which is the initial screening test. Any animals that are found to be “reactors” in this test are removed from the
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