Browsing Swine Day, 1979 by Subject "Gilts"

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Browsing Swine Day, 1979 by Subject "Gilts"

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  • Davis, Duane L.; Robl, J.M.; Nelssen, Jim L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1979)
    Control of estrus in gilts is theoretically possible by feeding a progestogen for 18 consecutive days. During the feeding period the progestogen suppresses estrus in all gilts and when withdrawn from the feed, all animals ...
  • Davis, Duane L.; Robl, J.M.; Nelssen, Jim L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1979)
    Replacement 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, ...