San Francisco 49ers DT Earl Mitchell (non-injury) and CB Ahkello Witherspoon (ankle) did not participate in practice Thursday, Nov. 30. QB C.J. Beathard (hip, knee), OT Trent Brown (shoulder) and S Adrian Colbert (thumb) were limited during practice. DE Elvis Dumervil (non-injury), FS Eric Reid (knee), OT Joe Staley (non-injury) and DE Solomon Thomas (knee) fully participated in practice.