Davis, Duane L.Robl, J.M.Nelssen, Jim L.2010-04-302010-04-302010-04-30http://hdl.handle.net/2097/3840Replacement gilts frequently do not fit smoothly into existing breeding and farrowing schedules because time of estrus cannot be predicted. Being able to program replacement gilts into a breeding herd would improve management, so we investigated the effectiveness of a synthetic progestogen, allyl trenbolone , to control estrus in gilts. Allyl trenbolone is not presently available to swine producers.SwineAllyl trenboloneEstrusGiltsConference paper