I never said that sodium was fed to the cows to produce salty milk.
Yes, milk in each area can taste different because cows in each region eat different feeds, drink different water, and are different breeds. The milk is sold in different kinds of containers (plastic, glass, waxed cardboard), which can also effect the taste. Even the glass that is used for drinking can effect the taste (glass, plastic, paper, metal), or the detergent with which the glass or cup is washed. But taste is not the same as chemical analysis.
