Surgical removal of uropygial gland ( IRAQI METHOD ) to convert the sterile hen ( non-layer ) to high egg produce hen .
There were about 3-5% of sterile hens in each laying hens stocks . The sterile hens eat the ration and not laying eggs so their cause economic losses . A total of 1200 sterile hens were isolated from four poultry farms and subjected to surgical removal of uropygial gland ( oil gland ) . Egg production from the treated hens were started after two weeks and the percentage of hen day egg production were reached 93% after five weeks .