Effect of progesterone supplementation during mid luteal phase on conception in repeat breeder crossbred cows
Keywords:
Conception rate, progesterone, repeat breeder cowsAbstract
Total 30 repeat breeder crossbred cows were selected for the present study. These cows failed to conceive
when treated with post insemination intrauterine infusion of broad-spectrum antibiotic and with GnRH analogue
on day ofinsemination. Single dose (500mg) bydroxyprogesterone caproate was administered 1:fM in the animals
of the treatment gr~p (n=20) between day 6 to 8 post insemination, following the confinnatJon of presence of
presence of CL on one ovary. Treated animals exhibited significantly higher (0.05) conception rate compared to
control group (n= IO).