Iwasawa, T.; Young, M.G.; Keegan, T.P.; Tokach, M.D.; Dritz, S.S.; Goodband, R.D.; DeRouchey, J.M.; Nelssen, J.L.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2004)
In previous Swine Day Reports we have
demonstrated that feeding sows in gestation
on the basis of body weight and backfat thickness is more precise and economical than
methods of feeding based on visual observation of ...