Exhibit 8.1 ----------- Significant Subsidiaries Industrias Bachoco, S.A. de C.V. Subsidiaries as of May 31, 2002 1. Bachoco, S.A. de C.V. 2. Operadora de Servicios de Personal, S.A. de C.V. 3. Servicios de Personal Administrativo, S.A. de C.V. 4....