%0 Journal Article %A Ataie, , O, Salasel,, بهرام, Mehrabi, A. %T A study on the possible effects of administration of human chorionic gonadotrophin, at 5th day after AI, to improve conception rate and serum progesterone concentration in Holstein dairy cattle %J journal of veterinary clinical research %V 2 %N 1 %P 39-45 %D 2010 %R %U https://sanad.iau.ir/fa/Article/1101135