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Effect of increasing progesterone concentration from Day 3 of pregnancy            on subsequent embryo survival and development in beef heifers.              <i>Reprod Fertil Dev<\/i>          20: 368\u2013375.","DOI":"10.1071\/RD07204"},{"key":"4","doi-asserted-by":"crossref","unstructured":"4. Chagas e                Silva              J, Lopes da                Costa              L. 2005.            Luteotrophic influence of early bovine embryos and the relationship            between plasma progesterone concentrations and embryo survival.              <i>Theriogenology<\/i>          64: 49\u201360.","DOI":"10.1016\/j.theriogenology.2004.10.019"},{"key":"5","doi-asserted-by":"crossref","unstructured":"5. Chen              F, Hou              Y, Zhu              X, Mei              C, Guo              R, Shi              Z. 2023.            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Ministry of Agriculture Forestry and            Fisheries of Japan.https:\/\/www.maff.go.jp\/j\/chikusan\/sinko\/lin\/l_katiku\/attach\/pdf\/index-10.pdf          [accessed on May 1, 2025]."},{"key":"14","doi-asserted-by":"crossref","unstructured":"14. Nascimento              AB, Bender              RW, Souza              AH, Ayres              H, Araujo              RR, Guenther              JN, Sartori              R, Wiltbank              MC. 2013.            Effect of treatment with human chorionic gonadotropin on day 5 after            timed artificial insemination on fertility of lactating dairy cows.              <i>J Dairy Sci<\/i>          96: 2873\u20132882.","DOI":"10.3168\/jds.2012-5895"},{"key":"15","doi-asserted-by":"crossref","unstructured":"15. Niles              AM, Fricke              HP, Carvalho              PD, Wiltbank              MC, Hernandez              LL, Fricke              PM. 2019.            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Physiological and practical effects of progesterone on reproduction in            dairy cattle. <i>Animal<\/i>          8Suppl 1: 70\u201381.","DOI":"10.1017\/S1751731114000585"},{"key":"26","doi-asserted-by":"crossref","unstructured":"26. Zolini              AM, Ortiz              WG,                Estrada-Cortes              E, Ortega              MS, Dikmen              S, Sosa              F, Giordano              JO, Hansen              PJ. 2019.            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