United States raw milk debate systematic review of the food safety of unpasteurized milk concluded that science-based data to substantiate claims of health benefits "are lacking or do not exist" and the risks associated with disease outbreaks as a result of raw milk consumption are "considerably higher". Pasteurization was first used in the United States in the 1890s after the discovery of germ theory to control the hazards of highly contagious bacterial diseases, including bovine tuberculosis and brucellosis, that could be easily transmitted to humans through the drinking of raw milk. Initially after the scientific discovery of bacteria, no product testing was available to determine
Bleu des Causses Over the centuries, some rockslides have created caves ventilated by fleurines, cracks in the rock allowing the circulation of air. It is the biggest of these caves that ripening cellars were built. They have a very stable humidity and temperature, favorable to the development of blue mold. It is not specified what kind of milk is needed or the feeding conditions of the animal. As long as the animal is free of brucellosis and tuberculosis. Cheese making can be done in all of the defined area. Cow's milk, specifically, is whole and full of rennet. The operation takes place with