Effect of Different Levels of Olive Pomace on Some Productive Traits of ISA Brown Laying Hens

Abstract This study was conducted to compare the effect of adding different levels olive pomace on some productive traits ISA Brown laying hens, at field hens Agricultural Research and Experiment Station, Agriculture College, Al-Muthanna University, from 7/6/2022 4/9/2022 for a period 12 weeks. A total 72 18 weeks old, were used, it randomly distributed four treatments 3 replicates ( 6 each replicate), as follows: T1: control treatment. As T2, T3 T4, dried olive-pomace powder added 1.5, 4.5% diet. The results indicated significant superiority egg production mass with improvement in feed conversion factor all compared treatment, there no differences average weight among experimental treatments.