The Effect of Crude Soybean Lecithin on the Absorption and Utilization of Vitamin A Fed Prepartum to the Ewe and Sow

Abstract

The effect of feeding daily 200,000 I.U. of vitamin A with or without the addition of 4 grams of crude soybean lecithin to ewes for an average of 14 days prior to parturition and to sows for an average of 33 days prior to parturition has been studied. The following results were obtained: Copyright © . .