(Corrects French industry group name, shows it referred to Dutch interest, not farm ministry spokesman) * Some food companies scout for egg supplies abroad * About 30 pct of egg supply used by U.S. bakeries impacted * Dutch, French companies seeking U.S. approval to export eggs By P.J. Huffstutter and Bill Berkrot CHICAGO/NEW YORK, May 22 (Reuters) - As a virulent avian influenza outbreak continues to spread across the Midwestern United States, some egg-dependent companies are contemplating drastic steps - importing eggs from overseas or looking to egg alternatives.