Estrus and ovulation synchronization in post partum cows
2008
Grafenau, P. Sen., Slovak Institute of Agricultural Research, Nitra (Slovak Republic) | Stancic, I., Veterinarska stanica, Novi Sad (Serbia) | Grafenau, P. Jr., Minitueb, Nitra (Slovak Republic) | Stancic, B., Poljoprivredni fakultet, Novi Sad (Serbia) | Pivko, J., Slovak Institute of Agricultural Research, Nitra (Slovak Republic)
The estrus synchronization by new Ovsynch method, in the post partum cows, was investigated. The total of 191 cows were treated with combination of GnRH + PGF2alfa + GnRG injection, 60th day after calving, for estrus and ovulation synchronization. Calving rate was compared with the results obtained after classical prostaglandin treatment. Treatment with Ovsynch method given result with greater calving rate (52%) compared with classical prostaglandin treatment (48%). The increasing occurrence of reproductive pathology (particularly endometritis) was estimated in the cows treated by new Ovsynch method.
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