To the best of our knowledge, no previous
studies have been carried out specifically on
the effects of hen age and nonfeed
withdrawal methods on body weight loss and
heterophil: lymphocyte ratio during molt
period in laying hens. There is only one study
that investigated the effects of hen age on
post molt performance. This is the first study
that the effects of nonfeed withdrawal
methods on some parameters during molting
period. The aim of this study was to
determine the effects of hen age and force
molting programs on body weight loss, cease
egg production and heterophil: lymphocyte
ratio during molt period.