Middleton, C.; Brink, T.; Kiracofe, G.; Brethour, J.; Negus, R.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1985)
Conception rates and subsequent calving dates were compared between
cows synchronized with Syncro-Mate-B® and inseminated by appointment and
nonsynchronized cows bred by natural service. Average conception date was ...