Beneficial effects of Beta-carotene injections prior to treatment with PGF2? on the fertility of postpartum dairy cows

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dc.contributor.authorAy, S. S.
dc.contributor.authorKaya, D.
dc.contributor.authorKucukaslan, I.
dc.contributor.authorAgaoglu, A. R.
dc.contributor.authorEmre, B.
dc.contributor.authorHandler, J.
dc.contributor.authorFindik, M.
dc.date.accessioned2024-04-24T17:33:16Z
dc.date.available2024-04-24T17:33:16Z
dc.date.issued2012
dc.departmentDicle Üniversitesien_US
dc.description.abstractThis study examined the effects of Beta-carotene (beta C) injections before estrus synchronization with PGF(2)alpha on fertility parameters in cows. A total of 124 postpartum (pp) cows were used. In GI (n=25), beta C (Carofertin (R), 0.4 mg/kgBW, i.m.) was injected on d 15 and 45 pp. In GII (n=25), beta C was administered on d 15 pp. In GIII (n=25), beta C was administered on d 45 pp. In GIV (n=25), beta C was injected on d 35 and 45 pp. GV (n=24) was set aside as a control group. All animals received PGF(2)alpha (Iliren (R), 0.0015 mg/kgBW, i.m.) on d 50 and 61 pp. Blood samples were collected on d 15,48 and three days after each beta C injection. The overall pregnancy rate was determined to be higher in GI (100%) and GIV (88.0%) than GV (70.8%) (P<0.01). The number of services per conception was the lowest in GI (1.4) and GII (1.4), while days of first service were lower in GIII (90.3 d) and GIV (90.8 d) (P<0.05). The insemination index was found to be lowest in GI (1.4). These results suggest that two administrations of beta C in the early and late pp period before administering PGF(2)alpha can improve fertility. It was concluded that when serum beta C concentrations remain high for a long time (30d) as a results of beta C injections, fertility can be improved.en_US
dc.description.sponsorshipAlvetra&Werfft AG (Wien, Austria)en_US
dc.description.sponsorshipThe authors thanks Alvetra&Werfft AG (Wien, Austria) for their financial supports; and Akbel Milk and Milk Product Company (Eregli, Turkey) for making this study possible in their dairy farm.en_US
dc.identifier.endpage392en_US
dc.identifier.issn0035-1555
dc.identifier.issn2258-0646
dc.identifier.issue8-9en_US
dc.identifier.scopus2-s2.0-84867367089
dc.identifier.scopusqualityQ3
dc.identifier.startpage387en_US
dc.identifier.urihttps://hdl.handle.net/11468/20584
dc.identifier.volume163en_US
dc.identifier.wosWOS:000311653800002
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoenen_US
dc.publisherEcole Nationale Veterinaire Toulouseen_US
dc.relation.ispartofRevue De Medecine Veterinaire
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectBeta-Caroteneen_US
dc.subjectFertility Parametersen_US
dc.subjectPostpartum Cowsen_US
dc.titleBeneficial effects of Beta-carotene injections prior to treatment with PGF2? on the fertility of postpartum dairy cowsen_US
dc.titleBeneficial effects of Beta-carotene injections prior to treatment with PGF2? on the fertility of postpartum dairy cows
dc.typeArticleen_US

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