Abstract In 2011. the Chilean bovine tuberculosis (bTB) program was launched by the Livestock and Agriculture Service (SAG) as a compulsory countrywide program based on testing and culling of bTB reactors at herd-owners expense. This review outlines the rationale and key components of the bTB program. and the dynamic changes that have occurred since 2011. https://www.izztop.com/product-category/activity-books-kits/