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Whether Different Estrus Synchronization Protocols Modulate Fertility and Plasma Progesterone and Metabolic Profile in Repeat Breeder Buffaloes

Jignesh P Prajapati, Dipak M Patel, Arjun J Dhami, Nitesh P Sarvaiya, Ashok R Prajapati.


This study was undertaken on 50 cyclic repeat breeder buffaloes under field conditions to evaluate the efficacy of four estrus synchronization protocols, viz., Doublesynch, Estradoublesynch, Ovsynch, and Ovsynch Plus (10 animals in each protocol, and in control group). The object was to study the conception rates at induced estrus with fix timed AI and to monitor the plasma progesterone, protein and cholesterol profile at different time intervals during treatment and day 12 post-AI. All the animals received pre-synchronization treatment, i.e., Inj. 100 mg ivermectin s/c, Inj. tono-vita 20 ml, single shot Inj. enrofloxacin 40 ml i/m, and multi-minerals bolus 1 daily for 7 days. The conception rates achieved at induced estrus (FTAI) were 40.0, 50.0, 60.0 and 60.0 % with Doublesynch, Estradoublesynch, Ovsynch and Ovsynch Plus protocol, respectively, and 20% in control group. The rests were taken as non-conceived buffaloes. The plasma progesterone concentrations monitored on day 0 (start of treatment), 7/9 (PGF2α injection), 10/12 (FTAI) and on day 12 post-AI revealed significant (p

Key words: Buffalo, Conception Rate, Estrus Synchronization, Plasma Profile, Repeat Breeder

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