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dc.contributor.authorGarcía Ispierto, Irina
dc.contributor.authorLópez Gatius, Fernando
dc.date.accessioned2020-11-10T09:59:23Z
dc.date.available2020-11-10T09:59:23Z
dc.date.issued2020-05-30
dc.identifier.issn0916-8818
dc.identifier.urihttp://hdl.handle.net/10459.1/69826
dc.description.abstractWe examined the effects of a single or 2.5-fold dose of dephereline [a gonadotropin-releasing hormone (GnRH) analogue] as well as the drainage of the smaller follicle at the time of insemination on ovulation in dairy cows with two follicles of pre-ovulatory size in the same ovary. The three study groups included 220 monovular cows (control), 110 non-drained cows with two follicles, and 110 cows with two follicles, of which one was drained. In each group, cows treated with a single dose or 2.5-fold dose of dephereline showed similar results following treatment. Ovulation failure of the non-drained follicle occurred in 29.1% of the drained cows, whereas ovulation occurred in 96% of the non-drained and control cows. Twin pregnancy was recorded in 19.4% of the pregnant non-drained cows with two follicles. In conclusion, the increased dephereline dose did not improve the ovulation rate in any group. Follicular drainage, however, prevented twin pregnancy in cows with two follicles, but also resulted in an increase in the non-drained follicle's rate of ovulation failure.
dc.description.sponsorshipThis study received financial support from the project ‘01.02.01 de Transferència Tecnològica del Programa de desenvolupament rural de Catalunya 2014-2020’ (Number 19005).
dc.format.mimetypeapplication/pdf
dc.language.isoeng
dc.publisherSociety for Reproduction and Development
dc.relation.isformatofReproducció del document publicat a https://doi.org/10.1262/jrd.2020-027
dc.relation.ispartofJournal of Reproduction and Development, 2020, vol. 66, num. 5, p. 485-488
dc.rightscc-by-nc-nd (c) Society for Reproduction and Development, 2020
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectDouble ovulation
dc.subjectFollicular co-dominance
dc.subjectHeat stress
dc.titleEffects of twin pregnancy prevention strategies such as GnRH dose and drainage of the smaller follicle on ovulation in dairy cows with two follicles of pre-ovulatory size in the same ovary
dc.typeinfo:eu-repo/semantics/article
dc.date.updated2020-11-10T09:59:23Z
dc.identifier.idgrec030321
dc.type.versioninfo:eu-repo/semantics/publishedVersion
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.identifier.doihttps://doi.org/10.1262/jrd.2020-027


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cc-by-nc-nd (c) Society for Reproduction and Development, 2020
Except where otherwise noted, this item's license is described as cc-by-nc-nd (c) Society for Reproduction and Development, 2020