This paper examines the shipment patterns of milk producers who have terminated their contracts with major dairy corporations and clarifies the logic of this restructuring. The results are as follows. First, half of the milk producers in the case areas have terminated their contracts with major dairy manufacturers since the melamine incident and shipped milk by four patterns: medium-sized dairy contracts, intra-city merchant-mediated, out-of-city merchant-mediated, and via shipping organizations. Second, some of the producers tend to change their pattern of shipment over time, rather than continuing in one pattern. Third, comparison of shipping patterns in terms of shipping, milk prices, and milk bills shows the following choice pattern by shipping destination: medium-sized dairy contract pattern first, followed by the intra-city merchant-mediated pattern and then the out-of-city merchant-mediated pattern. Shipping via producers' organization is a new pattern that has emerged in recent years. Accordingly, the restructuring logic of milk shipment patterns is to choose the milk shipments with fewest constraints for their own dairy farming.

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