Once upon a time the only milk available was, well, milk milk. That is, it originated from a mammal, mostly cows but also goats or sheep. However, in much the same way that coffee is no longer just coffee there has been an explosion in the non-dairy milk offer found on both the supermarket shelf and in your local coffee shop.
A combination of the SCAA exposition training sessions in Atlanta and a training session yesterday with a customer has really highlighted the importance of proper milk handling procedures.