Yellowstone Park bison herd a highly contagious zoonosis caused by ingestion of unpasteurized milk or undercooked meat from infected animals, or close contact with their secretions. Brucellosis occurs naturally in the Yellowstone Bison Herd and the normal winter migrations of bison outside the park have raised concerns that Brucellosis infected Bison may infect cattle. The United States government has programs to eradicate brucellosis in domestic livestock. Since 1934, an estimated $3.5 billion in federal, state, and private funds has been spent on brucellosis eradication in domestic livestock. Over the years, the National Park Service and states bordering the park have implemented various plans to
Milk kinship they called him "Grandfather". "Colactation links two families of unequal status and creates a durable and intimate bond; it removes from 'clients' their outsider status but excludes them as marriage partners…it brings about a social relationship that is an alternative to kinship bonds based on blood." People of different races and religions could be brought together strategically through the bonding of the milk mother and their milk ‘children’. Milk kinship was as relevant for peasants as ‘fostering’ or as ‘hosting’ other children, in that it secured the good will from their masters and their wives. As previously mentioned the milk