Larson, J.E.; Lamb, G.C.; Geary, T.W.; Stevenson, J.S.; Johnson, S.K.; Day, M.L.; Kesler, D.J.; DeJarnette, J.M.; Landblom, D.G.; Whittier, D.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2004)
Our objectives were to determine whether
a fixed-timed artificial insemination (TAI)
protocol could yield similar fertility rates to a protocol requiring detection of estrus and whether an injection of gonadotropin ...