No. 77-1773. June 23, 1978. As Amended on Denial of Rehearing July 27, 1978. Elliott Moore, Deputy Associate Gen. Counsel, Washington, D. C., for N.L.R.B. Lester V. Smith, Jr. (argued), of Bullard, Korshoj Smith, Portland, Or., for Prineville Stud Co. On Petition for Enforcement of an Order of The National Labor Relations Board. Before KILKENNY and CHOY, Circuit Judges, and EAST, District Judge. The Honorable William G. East, Senior United States District Judge for the District of Oregon. sitting