Larson, R.L.; Corah, L.R.; Spire, M.F.; Cochran, R.C.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1992)
To determine the effect of deworming fallborn
yearling heifers on reproductive parameters,
78 heifers were allotted to a either
Ivomec® or control treatments. The heifers
were dewormed in June and October when
they ...