As an acupuncturist many people assume I am anti-dairy because they had an acupuncturist who proclaimed that "You shouldn't drink milk unless you are a baby cow." This attitude about dairy is actually not health oriented but political. Up until the time that the Mongols took over the rule of China there was plenty of dairy being consumed from cheese to fresh milks of different sorts. The "Barbarians" of the new government were very, very dairy oriented and as an anti-Mongol move conquered people, the Hans, stopped consuming dairy. In a classic Taoist text, "Ten Questions", which is over two thousand years old, it is advised that one drink "the milk of running beasts" to fend off old age, restore health and glow with vitality. Whether grass fed cows ambling though a sun splashed pasture are the running beasts of the Daoists is up to interpretation. On examining the Chinese character for beast one finds it relates to claws, tail, head, and even dragon. The character for run relates not only to that action but to escape and "strategic pass". It would be just like the Taoists to proscribe the milk of a cleverly escaping dragon. Worthy of note is that the Chinese dragon traditionally has the ears of a cow and, of all the animals that make up a dragon, is the most likely to be milked. Certainly in this day and age grass fed raw milk is as close to the milk of running beasts as most of us are going to get!
Dusty tomes and mythology aside here are some addresses (I can't seem to do links, yet, hey I got the photo in!).