Evaluation of ovarian response and embryo production pattern in Ongole cows
2010
Rao, M.M. | Umamahesh, Y. | Misra, A.K.
The present study was undertaken to evaluate the relative distribution of ovarian response and embryo recovery in a large scale embryo transfer programme in Ongole (Bos indicus) cows. Parous Ongole cows (58) were subjected to super ovulatory treatment by administering 200 mg NIH-FSH-p1 in a twice daily descending dose schedule for 4 days and induction of luteolysis at 48 and 60 h after initiating treatment. Non-surgical embryo collection was performed on day 7 after superestrus; 94.83% cows responded to superovulation with a mean of 13.53±0.79 ovulations. The mean total ova/embryo recovery was 10.09±0.93 of which 72.79% were transferable. Grade 1 embryos (73.02%) and compact morula (72.78%) were the predominant category in this study.
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