This study was carried out on five  males and ten females of Rattus norvegicus albinus (Berk) in the Plant Protection Dept; of Faculty of Agricultureat Moshtohor to investigate urine attraction in different development all stages of rats, as well the phagostimulant effect of urine that added to feed at two concentrations10  % and  20 %. Results indicated that urine of mature males were the most attractive type of mature, pregnant females, immature males and females. Howevere, urine of estrus females were the most attractive type of adult males, pregnant females, immature males and females. Regarding the phagostimulant effect of urine on feed consumption it was found that urine of adult males were the most attractive to adult females, while estrus urine was the most attractive to adult males. In case of immature males and females the lactating urine were the most effective urine. It also appeared that pregnant females were not affected by any type of urine.