It is also less popular in Greece, where fresh pasteurized milk is the most popular. Interstate guidelines were developed and put into effect to ensure potable water and pasteurized milk. This remains a much lower cost than pasteurized milk can be obtained otherwise. His father promoted the use of pasteurized milk in the United States. In the late 1920s, United Dairies helped pioneer the sale of pasteurized milk in Britain. The shelf life of refrigerated pasteurized milk is greater than that of raw milk. The doctor instructs them to feed pasteurized milk to the baby. They sold pasteurized milk and beverages in the containers. Mice were separated into two groups&colon; a pasteurized milk group and a raw milk group. For example, one manufacturer gives the shelf life of its pasteurized milk as 12 months. Unlike most artisan cheeses, Beecher's is made largely with pasteurized milk. Made from pasteurized milk, Parrano is produced in wheels and is aged for 5 months. The milk may be pasteurized or not, but most producers now use pasteurized milk. The pasteurized milk is left to cool before pouring into the gourd. Pasteurized milk is first concentrated in an evaporator to approximately 50 percent milk solids.