Publication:
The effect of ovulatory follicle size at the time of insemination on pregnancy rate in lactating dairy cows

dc.contributor.authorOkut, Hayrettin
dc.contributor.buuauthorKeskin, Abdulkadir
dc.contributor.buuauthorMecitoğlu, Gülnaz
dc.contributor.buuauthorBilen, Ebru
dc.contributor.buuauthorGüner, Barış
dc.contributor.buuauthorOrman, Abdulkadir
dc.contributor.buuauthorGümen, Ahmet
dc.contributor.departmentVeteriner Fakültesi
dc.contributor.departmentVeteriner Fakültesi
dc.contributor.departmentJinekoloji ve Doğum Ana Bilim Dalı
dc.contributor.departmentZootekni Ana Bilim Dalı
dc.contributor.orcid0000-0001-9138-4422
dc.contributor.orcid0000-0003-2817-3221
dc.contributor.researcheridAAG-9134-2021
dc.contributor.researcheridAAG-4440-2019
dc.contributor.researcheridAAH-1406-2021
dc.contributor.researcheridAAH-3831-2021
dc.contributor.scopusid24473229800
dc.contributor.scopusid36457964000
dc.contributor.scopusid57040965000
dc.contributor.scopusid57188841418
dc.contributor.scopusid24335834100
dc.contributor.scopusid6602393069
dc.date.accessioned2022-12-12T11:14:14Z
dc.date.available2022-12-12T11:14:14Z
dc.date.issued2015-09-28
dc.description.abstractThe aims of this study were to determine the factors that affect follicle size at the time of artificial insemination (AI) and to detect the relationship between ovulatory follicle size at the time of AI and pregnancy rate in dairy cows. A total of 1428 follicle size measurements were obtained from Holstein-Friesian (HF) and Swedish Red (SR) cows that were inseminated with the fixed-timed AI protocols used in this study. Follicle size was affected by breed (P - 0.0001), milk production (P - 0.01), parity (P - 0.05), and season (P = 0.04). Follicle size was greater (P = 0.0001) in the HF (15.55 mm) than the SR cows (14.88 mm). Multiparous cows had larger (P = 0.04) follicles (15.35 mm) than the primiparous cows (15.07 mm). Cows with follicle sizes between 13.5 and 17.5 mm were more likely to be pregnant than cows with other sizes follicles (P < 0.01). Embryonic loss was lower (P < 0.01) in cows with follicle sizes between 13.5 and 16.5 mm. Thus, the follicle size was affected by breed, milk production, parity, and season. Pregnancy and embryonic loss in lactating dairy cows were significantly related to follicle size.
dc.identifier.citationKeskin, A. vd. (2016). "The effect of ovulatory follicle size at the time of insemination on pregnancy rate in lactating dairy cows". Turkish Journal of Veterinary and Animal Sciences, 40(1), 68-74.
dc.identifier.endpage74
dc.identifier.issn1300-0128
dc.identifier.issue1
dc.identifier.scopus2-s2.0-84953374092
dc.identifier.startpage68
dc.identifier.urihttps://doi.org/10.3906/vet-1506-59
dc.identifier.urihttps://journals.tubitak.gov.tr/veterinary/vol40/iss1/11/
dc.identifier.urihttp://hdl.handle.net/11452/29817
dc.identifier.volume40
dc.identifier.wos000368558800015
dc.indexed.wosSCIE
dc.language.isoen
dc.publisherTÜBİTAK
dc.relation.collaborationYurt içi
dc.relation.collaborationYurt dışı
dc.relation.journalTurkish Journal of Veterinary and Animal Sciences
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectVeterinary sciences
dc.subjectCow
dc.subjectFollicle size
dc.subjectTimed
dc.subjectAI protocol
dc.subjectPregnancy rate
dc.subjectArtificial-insemination
dc.subjectPreovulatory follicle
dc.subjectOvsynch protocol
dc.subjectConception rate
dc.subjectSynchronization
dc.subjectGnrh
dc.subjectProstaglandin-F2-alpha
dc.subjectEstradiol-17-beta
dc.subjectReproduction
dc.subjectInjection
dc.subject.scopusArtificial Insemination; Estrus; Cattle
dc.subject.wosVeterinary sciences
dc.titleThe effect of ovulatory follicle size at the time of insemination on pregnancy rate in lactating dairy cows
dc.typeArticle
dc.wos.quartileQ3
dspace.entity.typePublication
local.contributor.departmentVeteriner Fakültesi/Jinekoloji ve Doğum Ana Bilim Dalı
local.contributor.departmentVeteriner Fakültesi/Zootekni Ana Bilim Dalı
local.indexed.atScopus
local.indexed.atWOS

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