Laudert, S.B.2010-11-222010-11-222010-11-22http://hdl.handle.net/2097/6554Nearly 83,000 heifers were observed at slaughter during 1986 and 1987 to determine their reproductive status. Slightly less than 4 percent were found to be pregnant. Highest incidences of pregnancy were found during the winter months of November through March. Lowest incidences were found during August, September. and October.BeefPregnant feedlot heifersReproductionConference paper