This experiment was conducted to study the effects of different supplemental performance levels and of extruded alfalfa meal-linseed during late-gestation and lactation period on reproduction fatty later sows acid composition trial,eighty allotted(Landrace×Large groups in colostrum of sows.were In this White primiparous in sows in gestation in 83gestation)Sows days of randomly to 4 with 4 replicates each group and 5 each replicate.diet,and in the control group were fed a basal those in experimental groups w...