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129 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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| Publicado en: | J Anim Sci |
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| Autores principales: | , , |
| Formato: | Artigo |
| Lenguaje: | Inglês |
| Publicado: |
Oxford University Press
2020
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| Materias: | |
| Acceso en línea: | https://ncbi.nlm.nih.gov/pmc/articles/PMC7697042/ https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1093/jas/skz397.094 |
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