Before SBL finally decided to build its own bull stud (USSL,1974-75), its bulls were scattered in various bull studs at various times and semen available through contracted distributors.
Curtiss Breeding Service ad in betterbeefbusiness July 1970 |
from Simmental Shield magazine August 1970, p. 45 |
SBL ad in betterbeefbusiness October 1970 |