Kriese, L.A.; Schalles, R.R.; Lomas, L.W.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1986)
Heterosis estimates were determined for gestation length, birth weight, and
yearling weight using a two-breed rotational crossbreeding system with Angus and
Simmental cattle. Heterosis for gestation length was -.3%; birth ...