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130 Presynchronization with Prostaglandin F(2α)and prolonged exposure to exogenous progesterone impacts estrus expression and alters fertility in beef heifers
To determine the effects of 2 presynchronization strategies in conjunction with delayed fixed-time artificial insemination (TAI) on pregnancy rates to TAI (PR/AI), 1,700 Angus beef heifers at 3 locations were enrolled in a completely randomized design with a 2×2 factorial arrangement of treatments....
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| Veröffentlicht in: | J Anim Sci |
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| Hauptverfasser: | , , |
| Format: | Artigo |
| Sprache: | Inglês |
| Veröffentlicht: |
Oxford University Press
2020
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| Schlagworte: | |
| Online Zugang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC7697237/ https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1093/jas/skz397.043 |
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