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dc.contributor.authorFONSECA, J. F. da
dc.contributor.authorRODRIGUES, J. N. D.
dc.date.accessioned2025-06-03T14:48:37Z-
dc.date.available2025-06-03T14:48:37Z-
dc.date.created2025-06-03
dc.date.issued2025
dc.identifier.citationIn: CONGRESSO MULTISALA SIVARSIB, 3., 2025, Cremona. Società Italiana Veterinari per Animali da Reddito; Società Italiana di Buiatria, 2025. Atti congressuali. Cremona: Società Italiana Veterinari per Animali da Reddito; Società Italiana di Buiatria, 2025. p. 47-49.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1176345-
dc.descriptionAbstract: Estrous cycle control is a foundational tool in the reproductive management of sheep and goats, facilitating the strategic use of assisted reproductive technologies such as fixed-time artificial insemination, superovulation, and embryo transfer. Its success depends on a comprehensive understanding of follicular dynamics, reproductive seasonality, and hormonal responsiveness. This review discusses the physiological basis and practical application of estrus synchronization and induction protocols, highlighting the role of intravaginal progesterone devices, prostaglandins, and equine chorionic gonadotropin (eCG). Key protocol variables, including hormone type, dosage (e.g., 330 mg progesterone in CIDR, 60 mg medroxyprogesterone acetate in sponges, 37.5 µg cloprostenol, and 200- 300 IU eCG), and timing of administration, are presented. The use of low-cost alternatives such as progesterone-soaked tampons and reusable devices is also reviewed. The analysis emphasizes that optimal outcomes require careful female selection, minimal hormonal intervention, and timing precision. Estrous control protocols, when properly designed and implemented, enhance reproductive efficiency while aligning with sustainability and animal welfare standards.
dc.language.isoeng
dc.rightsopenAccess
dc.titleEstrous cycle control in sheep and goats.
dc.typeArtigo em anais e proceedings
dc.subject.nalthesaurusSheep
dc.subject.nalthesaurusGoats
dc.subject.nalthesaurusReproduction
dc.subject.nalthesaurusAssisted reproductive technologies
dc.subject.nalthesaurusEstrous cycle
dc.subject.nalthesaurusEstrus synchronization
riaa.ainfo.id1176345
riaa.ainfo.lastupdate2025-06-03
dc.contributor.institutionJEFERSON FERREIRA DA FONSECA, CNPC; JULIANA NASCIMENTO DUARTE RODRIGUES, UNIVERSIDADE FEDERAL RURAL DA AMAZÔNIA.
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