Efficacy of PGF2α, GnRH and ovsynch protocol in postpartum anoestrus crossbred cows.
2012
A study was conducted on 40 postpartum anoestrus crossbred cows to evaluate therapeutic efficacy of PGF2□, GnRH and Ovsynch protocol. The order of oestrus induction was 80, 60 and 20 per cent in treatment with PGF2□, GnRH and ovsynch protocol. PGF2□ treated cows exhibited oestrus between 1- 4 days with a mean post treatment oestrus induction interval of 2.37 ± 1.33 days, GnRH treated group exhibited oestrus between 7–17 days with a mean post treatment oestrus induction interval of 10.16 ± 0.33 days, whereas cows in ovsynch treated group had fixed time artificial insemination without heat detection. It was observed that 50 per cent cows conceived in PGF2□ and GnRH treated group while only 40 per cent cows were conceived in ovsynch treated group.
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