Have a breed composition of at least 50 percent British breeds (Angus, Red Angus or Hereford)
Be no more than three-eights Brahman influence with no Longhorn, Corriente or dairy breed influence
Have permanent identification
Negative PI-BVDV status upon entry purchase or entry into the program as demonstrated by individual female test (if a virgin, not pregnant) or test of the first born calf after purchase or entry into the program.
Exposed to bulls for a maximum of 90 days