TY - JOUR T1 - Supplemental Vitamin E a requirement for optimizing fecundity rates and litter size in sows JF - Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist) A1 - Umesiobi, Dennis O. LA - English YR - 2008 UL - https://tuklas.up.edu.ph/Record/IPP-00000660580 KW - Vitamin E KW - Sows : Reproduction ER -