South Dakota State University
This publication discusses the benefits of crossbreeding and examines the advantages and disadvantages of various crossbreeding systems. This guide discusses the Two Breed Crisscross, Three Breed Rotation, Specialized Three Breed Crossing Systems, and the computerized evaluation (Sumumate) program.
South Dakota State University, Cooperative Extension,, "Crossbreeding Beef Cattle : A Guide for Using Simumate" (1974). SDSU Extension Circulars. 760.