Stevenson, J.S.; Minton, J.E.; Knoppel, E.L.; Stewart, R.E.; Viker, S.D.; Kiracofe, G.H.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1993)
The "suckling response" maintains anestrus
in beef cows for about 40 to 60 days
postpartum. The suckling response remains
intact in mastectomized cows, so stimulation of
the inguinal area, and not milk flow or ...