ABSTRACT: The aim of this study was to evaluate the influence different non-genetic effects on indicator traits for maternal ability in Santa Inês ewes. Data included performance records 100 lambs (males and females) born from 59 dams, 2009 2012. analyzed were birth weight (BW), weaning (WW), average daily gain until (ADGBW), total litter at (TLWB), (TLWW). year lamb, season, dam age lambing, s...