The Earthgrains Company (NYSE: EGR) announced today that workers at five production plants went on strike Tuesday, bringing to six the number of company plants with work stoppages.The company continues to operate five of the six plants, while the sixth market continues to be served with products baked at the company's other regional bakeries. The immediate needs of customers and consumers in all markets are continuing to be met.Contracts with the Bakery, Confectionery, Tobacco Workers and Grain Millers International Union (BCTGM) were not in effect at the five new strike locations, and employees decided to walk off the job before negotiations had produced final contract offers. Earthgrains was making every effort to reach timely, fair and equitable settlements.The company was offering a competitive economic package for the region that compared favorably to a Midwest regional package that the BCTGM has endorsed.The bakeries affected by strikes are: