National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692 Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
A total of 800 anoestrus cows and 671 anoestrus buffaloes were selected after thorough gynaeco-clinical examination and were dewormed (Inj.Dectomax®@ 1ml/50kg bodyweight S/C) followed by mineral mixture (Powder Lacton® 50g/day orally) supplementation for 30 days. Then cows and buffaloes were assigned to Co-Synch plus CIDR protocol wherein on day ‘0’:inj. GnRH (Busereline acetate10 µg I/M) and Controlled Internal Drug Release (CIDR) implant was inserted into the vagina and kept in situ for 7 days, on day ‘7’: CIDR removed and inj. PGF2α, (Dinoprost Tromethamine 25 mg I/M) was given, day ‘9’: inj. GnRH (Busereline acetate10 µg I/M) and insemination (AI) was done. Further, on day ‘10’ if any signs of oestrus then, a second AI was done. Pregnancy diagnosis was performed on 60th day of post-AI by per-rectal examination. The conception rates were found to be 53.50, 23.68 and 07.69 per cent for cows and 53.35, 19.34 and 10.58 per cent for buffaloes in first, second and third oestrous cycles respectively, achieving overall conception rate of 64.25 and 62.89 per cent in anoestrus cows and buffaloes, respectively. It is concluded from the present study that, Co-Synch + CIDR protocol can improves the reproductive efficiency in both anoestrus cows and buffaloes.
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