Chilling milk does little to kill the bacteria that are commonly found in unpasteurized milk.
The Amish have been around for maybe as long as 600 years, albeit with different names ~ at the same time they and everybody else used to drink raw milk, and suffered a death rate sufficiently high that European populations actually did not increase in number.
Chilling milk does little to kill the bacteria that are commonly found in unpasteurized milk.
You need some of those bugs to make Cheese! I think some added manure to get the cheese started.