Comparative study of use sometreatmental regimes totreat postpartum functional infertility of cows in Basra

الملخص EN

Postpartum an estrus in cows is regarded as one of the most important causes of functional infertility after parturition during reproductive lifespan.

Therefor the present study was conducted to induce fertile estrus in anestrus cows which suffered from inactive ovaries (IO) or persistent corpus luteum(PCL) after parturition.

The results of current study showed the efficiency of using GnRH or FSH as a hormonal medication to induce fertile estrus with pregnancy which reach 71.42 and 72.22 % respectively, as well as decreasing the length of days open (DO) to lesser than 150 day in both programs in 70.00 and 76.92 % respectively from induced estrus cows.

Also the results revealed that the role of PGF2α in induction of fertile estrus with 83.33% of pregnancy in cows which suffered from postpartum PCL and decrease the length of DO in 80.00% from induced estrus cows.

The present study improved the efficacy of uterine massage (UM) through rectal palpation to treat cases of PCL in postpartum anestrus cows with 71.42% of pregnancy, and its effect to decrease the length of DO in 60.00% from induced estrus cows