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Pre-sincronización con Progesterona para la Inducción de Ciclicidad en Vacas Bos taurus indicus en Periodo de Anestro Posparto

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dc.contributor.authorBotelho Gomes, Tiago
dc.contributor.authorJavier Narváez, Héctor
dc.date.accessioned2022-01-18T14:53:17Z
dc.date.available2022-01-18T14:53:17Z
dc.date.issued2021
dc.description.abstractThe objective of this study was to evaluate the effect of pre-synchronization with progesterone (P4) for 3 and 6 days in Nelore cows in postpartum anestrus period, submitted to a fixed-time artificial insemination program (FTAI). Materials and methods: Seventy-four multiparous Nelore cows with a body condition of 2.5 were used. The cows were submitted to three experimental groups, control group and groups pre-synchronized with P4 for a period of 3 and 6 days. For the determination of postpartum anestrus status, ultrasound scans and blood samples were taken to verify the absence of endogenous P4. Forty-five days after AI, gestation was diagnosed. Data were obtained by descriptive analysis and in the case of presentation of significant differences the Chi-square test was used, considering a frequency of P < 0.05. Results: A higher gestation rate was observed for the group that was pre-synchronized for three days with P4 (40 %), in relation to the groups of six days of pre-synchronization and control (25 % and 32 %, respectively). Conclusion: It is possible to conclude that the pre-synchronization with P4 for three days improved the gestation rate of Nelore cows in the postpartum anestrus period.es_ES
dc.identifier.citationRevista Lasallista de Investigación-Vol. 18 No. 2es_ES
dc.identifier.issn1794-4449
dc.identifier.urihttp://hdl.handle.net/10567/3220
dc.language.isoeses_ES
dc.publisherUnilasallista Corporación Universitaria, Editorial Lasallistaes_ES
dc.rightsAcceso abierto
dc.rights.accessrightsinfo:eu-repo/semantics/openAcces
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/2.5/co/
dc.subjectUnilasallista Corporación Universitariaes_ES
dc.titlePre-sincronización con Progesterona para la Inducción de Ciclicidad en Vacas Bos taurus indicus en Periodo de Anestro Pospartoes_ES

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Revista LASALLISTA de Investigación