Utilization of Ovulation-Synchronization Method in Dairy Cows
2006
Hwang, S.J. (Kangwon National University, Chuncheon, Republic of Korea) | Park, S.B. (National Livestock Research Institute, RDA, Cheonan, Republic of Korea) | Park, S.J. (National Livestock Research Institute, RDA, Cheonan, Republic of Korea) | Park, C.K. (Kangwon National University, Chuncheon, Republic of Korea), E-mail: [email protected]
This study was undertaken to investigate the effect of ovulation-synchronization (OVSYNCH) method on conception rate after insemination of dairy cattle. The proportion of conception of normal fertility cows (65%) was higher than that in infertility cows (50%) in dairy cows with OVSYNCH treatment. However, there was no significant difference between experimental groups. In another experiment, when the OVSYNCH method was adapted in multiparous dairy cows, the conception rate of experimental group of 30~35 kg/day in milk yield was significantly higher than those in groups of 20~25 kg/day in milk yield (p less than 0.05).
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