DALLAS and FRANKLIN PARK, Ill./PRNewswire/ -- Suiza Foods Corporation (NYSE: SZA - news) and Dean Foods Company (NYSE: DF - news) announced today that they plan to divest five additional plants which the companies expect will resolve regulatory issues relating to their pending merger. Suiza Foods also expects to make modifications to the terms of its buyout of the minority interest in its dairy group held by Dairy Farmers of America. The companies plan to complete the merger prior to year end.