United States raw milk debate cows, and has been found in 100% of bulk milk tanks in dairy operations with over 500 cows. Consuming unpasteurized milk or under cooked meats could be pathways for human exposure to BLV. In November 2017, the US Centers for Disease Control and Prevention recommended medical treatment for anyone who had, within the previous six months, consumed raw milk products from Udder Milk, a New Jersey-based cooperative. An antibiotic resistant strain of Brucella abortus, which can cause the disease Brucellosis, was detected in at least one person who drank raw milk from the co-op. Advocates of drinking raw milk claim
Brucellosis a "calfhood" vaccination. Most cattle receive a tattoo in one of their ears, serving as proof of their vaccination status. This tattoo also includes the last digit of the year they were born. The first state–federal cooperative efforts towards eradication of brucellosis caused by "Brucella abortus" in the U.S. began in 1934. Brucellosis was originally imported to North America with non-native domestic cattle ("Bos taurus"), which transmitted the disease to wild bison ("Bison bison") and elk ("Cervus canadensis"). No records exist of brucellosis in ungulates native to America until the early 19th century. Antibiotics such as tetracyclines, rifampin, and the