Managing the dominant follicle in high-producing dairy cows

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dc.contributor.authorWiltbank, Milo Charles
dc.contributor.authorFilho, Roberto Sartori
dc.contributor.authorVasconcelos, José Luiz Moraes
dc.contributor.authorNascimento, Aníbal Ballarotti
dc.contributor.authorSouza, Alexandre H.
dc.contributor.authorCunha, A. P.
dc.contributor.authorSangsritavong, Siwat
dc.contributor.authorGuenther, Jerry N.
dc.contributor.authorLopez, Hernando
dc.contributor.authorPursley, James Richard
dc.contributor.buuauthorGümen, Ahmet
dc.contributor.departmentUludağ Üniversitesi/Veterinerlik Fakültesi/Klinik Bilimler Bölümü.tr_TR
dc.contributor.researcheridAAH-1406-2021tr_TR
dc.contributor.scopusid6602393069tr_TR
dc.date.accessioned2022-03-28T08:33:44Z
dc.date.available2022-03-28T08:33:44Z
dc.date.issued2010
dc.descriptionBu çalışma, Eylül 2010 tarihleri arasında Anchorage[Alaska]’da düzenlenen 8. International Symposium on Reproduction in Domestic Ruminants’da bildiri olarak sunulmuştur.tr_TR
dc.description.abstractReduced reproductive efficiency has been reported in high-producing dairy cows. Sources of reproductive inefficiency include decreased expression of estrus, increased diameter of the ovulatory follicle and reduced fertility when cows are inseminated after estrus, increased incidence of double ovulation and twinning, and increased pregnancy loss. To overcome some of these inefficiencies, reproductive management programs have been developed that synchronize ovulation and enable effective timed artificial insemination (AI) of lactating dairy cows. Effective regulation of the corpus luteum (CL), follicles, and hormonal environment are critical for optimizing these programs. Recent programs, such as the 5-day CIDR program, Double-Ovsynch, G-6-G, and estradiol benzoate-CIDR programs were designed to more effectively control one or more physiological events. These events include synchronization of a new follicular wave at the beginning of the program, optimization of the circulating progesterone (P4) concentrations and duration of follicular dominance, optimized reductions in P4 and increases in circulating estradiol (E2) concentrations during the preovulatory period, and tightly synchronized ovulation of a follicle of optimal size and fertility for implementation of timed AI. The success of these programs has been remarkable, although there is substantial variability in effectiveness due to environmental, management, nutritional, genetic, and disease factors as well as potential variability in some aspects of reproductive physiology among commercial dairy farms. Future programs will optimize the reproductive physiology while simplifying the protocol implementation and also match specific reproductive management protocols to specific farms and even specific cows (for example primiparous vs. multiparous).en_US
dc.identifier.citationWiltbank, M. C. vd. (2010). "Managing the dominant follicle in high-producing dairy cows". ed. Lucy, M. C. vd. Reproduction in Domestic Ruminants VII, Society of Reproduction and Fertility, 67, 231-245.en_US
dc.identifier.endpage245tr_TR
dc.identifier.issn2045-872X
dc.identifier.pubmed21755676tr_TR
dc.identifier.scopus2-s2.0-80051759245tr_TR
dc.identifier.startpage231tr_TR
dc.identifier.urihttps://pubmed.ncbi.nlm.nih.gov/21755676/
dc.identifier.urihttp://hdl.handle.net/11452/25377
dc.identifier.volume67tr_TR
dc.identifier.wos000290717800018tr_TR
dc.indexed.pubmedPubMeden_US
dc.indexed.scopusScopusen_US
dc.indexed.wosCPCISen_US
dc.language.isoenen_US
dc.publisherNottingham Universityen_US
dc.relation.collaborationYurt dışıtr_TR
dc.relation.collaborationSanayitr_TR
dc.relation.journalReproduction in Domestic Ruminants VII, Society of Reproduction and Fertilityen_US
dc.relation.publicationcategoryKonferans Öğesi - Uluslararasıtr_TR
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectTime artificial-inseminationen_US
dc.subjectEstradiol cypionateen_US
dc.subjectOvulatory follicleen_US
dc.subjectEstrous-cycleen_US
dc.subjectReproductive-performanceen_US
dc.subjectOvarian-follicleen_US
dc.subjectEmbryo qualityen_US
dc.subjectBeef-cowsen_US
dc.subjectChorionic-gonadotropinen_US
dc.subjectPersistent folliclesen_US
dc.subjectAgricultureen_US
dc.subjectReproductive biologyen_US
dc.subjectVeterinary sciencesen_US
dc.subject.emtreeAnimalen_US
dc.subject.emtreeArticleen_US
dc.subject.emtreeCattleen_US
dc.subject.emtreeDairyingen_US
dc.subject.emtreeDrug effecten_US
dc.subject.emtreeEstrus cycleen_US
dc.subject.emtreeFemaleen_US
dc.subject.emtreeLactationen_US
dc.subject.emtreeOvary follicleen_US
dc.subject.emtreePhysiologyen_US
dc.subject.emtreePregnancyen_US
dc.subject.emtreeReproductionen_US
dc.subject.meshAnimalsen_US
dc.subject.meshCattleen_US
dc.subject.meshDairyingen_US
dc.subject.meshEstrus synchronizationen_US
dc.subject.meshFemaleen_US
dc.subject.meshLactationen_US
dc.subject.meshOvary follicleen_US
dc.subject.meshPregnancyen_US
dc.subject.meshReproductionen_US
dc.subject.scopusBlastocyst; Cattle; Embryo Cultureen_US
dc.subject.wosAgriculture, dairy & animal scienceen_US
dc.subject.wosReproductive biologyen_US
dc.subject.wosVeterinary sciencesen_US
dc.titleManaging the dominant follicle in high-producing dairy cowsen_US
dc.typeProceedings Paper

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