Improvement of conception rates using CIDR in dairy cows
2014
Kobayashi, T. | Takeuchi, T. | Kondo, M.
We investigated the influences of the early progesterone supplementation (CIDR) in conception rates after the artificial insemination (A.I) in dairy cows. As a result, the supplement of 5 day-19 day progesterone has improved the conception rates and the rates of return of estrus after A.I. Moreover, ISG15 mRNA and progesterone concentrations in the serum on the 19 days after A.I are predictive by 80% or more of non-pregnant dairy cows.
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