For the source text click/tap here: Chullin 108
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As we have learned (daf 97), if a small amount of non-kosher food fell into a large amount of kosher food, the mixture will remain kosher if the ratio is 60:1 such that the taste of the non-kosher food is nullified. This same rule applies to meat and milk. Thus, if a small amount of milk falls into a large amount of meat, if the ratio of meat to milk is at least 60:1 the milk is considered nullified and the mixture is kosher.
The Mishna on our daf distinguishes between two different cases where a small amount of milk becomes mixed into a pot of meat. According to the Mishna, if the milk fell on a single piece of meat, we gauge the possibility of nullification solely on the relationship between the milk and that piece of meat. If, however, the milk fell into the pot and then the pot was mixed up, the question will be whether the entire mixture has a 60:1 ratio of meat to milk.
We explore the role of milk in antiquity with specific reference to Galenic medicine, known the Rabbis.