Presynchronization in Sheep Ensures Synchronization of Next Estrus and Improves Fertility

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dc.authoridBulbul, Bulent/0000-0002-7130-8796
dc.authoridKirbas, Mesut/0000-0003-3487-0541
dc.contributor.authorBulbul, Bulent
dc.contributor.authorKose, Mehmet
dc.contributor.authorKirbas, Mesut
dc.contributor.authorCoyan, Kenan
dc.contributor.authorAtaman, Mehmet Bozkurt
dc.contributor.authorBekci, Emine Aysun
dc.contributor.authorUmutlu, Seyit
dc.date.accessioned2025-02-22T14:09:13Z
dc.date.available2025-02-22T14:09:13Z
dc.date.issued2023
dc.departmentDicle Üniversitesien_US
dc.description.abstractIn this study, fertility was evaluated either in the first hormonally synchronized or in the subsequent natural estrus among 202 sheep during the breeding season. Intramuscular (im) PGF(2 alpha )was administered 11 days apart in both the PG (n=50) and Pre-PG (n=50) groups, while im PGF(2 alpha )was given at the removal of an intravaginal progesterone sponge (after 11 days) in the Sponge (n=51) and Pre-Sponge (n=51) groups. Estrus was monitored following the last hormonal application (day 0) in all groups and starting from day 16 in the Pre-PG and Pre-Sponge groups for 5 days. Ewes were mated during the first hormonally synchronized estrus (PG and Sponge groups) or in the next (natural) estrus (Pre-PG and Pre-Sponge groups). The estrus rate and litter size in the Pre-Sponge group were higher than those in the other groups (P<0.05). In the Pre-Sponge group, pregnancy and lambing rates were higher than in the PG and Sponge groups, and fecundity was higher than in the PG group (P<0.05). It was concluded that progesterone and PGF(2 alpha )-based estrus synchronization may negatively affect fertility. Additionally, the next estrus is also synchronized after using progesterone and PGF(2 alpha )-based synchronization protocols. Fertility loss caused by the application of exogenous hormones can be mitigated by mating at the next natural estrus. Furthermore, the next natural estrus can be utilized in situations where hormone use is inappropriate but synchronization is desired.en_US
dc.description.sponsorshipGeneral Directorate of Agricultural Research and Policy (TAGEM) [TAGEM/HAYSD/10/08/01/02]en_US
dc.description.sponsorshipThis study was supported by General Directorate of Agricultural Research and Policy (TAGEM) (Financial Code: TAGEM/HAYSUED/10/08/01/02) .en_US
dc.identifier.endpage408en_US
dc.identifier.issn0125-6491
dc.identifier.issue3en_US
dc.identifier.scopus2-s2.0-85197739122en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage401en_US
dc.identifier.urihttps://hdl.handle.net/11468/29839
dc.identifier.volume53en_US
dc.identifier.wosWOS:001223651900001
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoenen_US
dc.publisherChulalongkorn Univen_US
dc.relation.ispartofThai Journal of Veterinary Medicineen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.snmzKA_WOS_20250222
dc.subjectEstrus synchronizationen_US
dc.subjectEween_US
dc.subjectFertilityen_US
dc.subjectPresynchronizationen_US
dc.subjectProgesteroneen_US
dc.subjectProstaglandin F-2 alphaen_US
dc.titlePresynchronization in Sheep Ensures Synchronization of Next Estrus and Improves Fertilityen_US
dc.typeArticleen_US

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