This study was conducted in poultry farm of College of Agriculture, Al-Anbar University. The objective of this study was to determine the effect of partial and total replacement of (Vicia faba L.) instead of Soybean meal and this effect on laying hens performances. Five treatments were obtained with 5 replicates for each. Seventy-five ISA Brown layers were used in this study which lasted for three periods (July-September) the duration of each periods was 28 days.
The results indicated (2.5% Vicia faba L.) showed significant increase (P<0.05) in egg production and egg mass while the control showed significant increase (P<0.05) in egg weight, feed consumption and feed conversion efficiency than other treatments. The results showed that egg production, egg mass, egg weight, feed consumption and feed conversion efficiency were significantly reduced at August than July and September.