Dairy exports to Japan are, for the moment, in limbo. The key word is uncertainty about how much food was damaged, and for lack of a better term, how much "demand" has been lost.
Japan is a major importer of whey products, including de-proteinized whey, which is used as pig feed. Japan imports 60% of its food.
A story on Japan and its food supply is at:http://www.blogger.com/img/blank.gif