The Comparison of the Pregnancy Rates Obtained after the Ovsynch and Double Dose PGF2? + GnRH Applications in Lactating Dairy Cows

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dc.contributor.authorDogruer, Gokhan
dc.contributor.authorSaribay, Mustafa Kemal
dc.contributor.authorKaraca, Fikret
dc.contributor.authorErgun, Yasar
dc.date.accessioned2024-09-18T20:53:02Z
dc.date.available2024-09-18T20:53:02Z
dc.date.issued2010
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractThis study was carried out to compare the pregnancy rates in timed artificial inseminations after Ovsynch and PGF(2 alpha) + GnRH applications on lactating dairy cows. The research was conducted in a commercial dairy farm on 84 lactating Holstein cows which the ages were ranging between 3-5 years old and between 80-120 days postpartum. The cows were randomly assigned to two groups as Ovsynch (n = 42) and Prosta Glandin (PG) (n = 42). The cows in Ovsynch group recieved 10.5 mu g(-1) GnRH at day 0, 500 mu g(-1) PGF(2 alpha) at day 7 and 10.5 mu g(-1) GnRH at day 9 intramuscularly. The cows in PG group recieved 500 mu g(-1) PGF(2 alpha) two times with an interval of 14 days and 10.5 mu g(-1) GnRH intramuscularly 48 h after the second PGF(2 alpha) injection. Artificial inseminations were applied to the cows in. both of the groups between 16-20 h after the GnRH injections. The pregnancy diagnosis was performed 30 days after the artificial inseminations by ultrasonography. The pregnancy rates were determined as 35.7% (15/42) in Ovsynch group and 47.6% (20/42) in PG group. Although, the pregnancy rate were higher in PG group than the Ovsynch group the differrence was not statistically important (p>0.05). It was concluded that the programme consisted of 14 days interval double dose PGF(2 alpha) injections, GnRH applications 48 h following the second PGF(2 alpha) injection and timed artificial insemination 16-20 h after the GnRH injection could be an alternative to the Ovsynch programme in timed artificial inseminations.en_US
dc.identifier.endpage813en_US
dc.identifier.issn1680-5593
dc.identifier.issn1993-601X
dc.identifier.issue4en_US
dc.identifier.scopus2-s2.0-77953736630en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage809en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12483/11550
dc.identifier.volume9en_US
dc.identifier.wosWOS:000275982800031en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherMedwell Onlineen_US
dc.relation.ispartofJournal of Animal and Veterinary Advancesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectOvsynchen_US
dc.subjectprostaglandinen_US
dc.subjecttimed artificial inseminationen_US
dc.subjectpregnancyen_US
dc.subjectdairyen_US
dc.subjectcowen_US
dc.subjectTurkeyen_US
dc.titleThe Comparison of the Pregnancy Rates Obtained after the Ovsynch and Double Dose PGF2? + GnRH Applications in Lactating Dairy Cowsen_US
dc.typeArticleen_US

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