Vitamin a and ?-Carotene Levels in Plasma, Corpus Luteum and Follicular Fluid of Cyclic and Pregnant Cattle

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dc.contributor.authorHaliloğlu, Seyfullah
dc.contributor.authorBaşpınar, Nuri
dc.contributor.authorSerpek, Behiç
dc.contributor.authorErdem, Hüseyin
dc.contributor.authorBulut, Zafer
dc.date.accessioned2020-03-26T16:45:03Z
dc.date.available2020-03-26T16:45:03Z
dc.date.issued2002
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractThis study was carried out to examine the relationship between the corpus luteum (CL) weight, CL and follicle diameters and progesterone, b-carotene and vitamin Alevels in reproductive organs of cattle obtained from the slaughterhouse. The b-carotene and vitamin Alevels were determined in plasma, CL and follicular fluid (FF) using a spectrophotometric method at different stages of the oestrous cycle (n ¼ 40) and at 3–6 months of pregnancy (n ¼ 10). The diameters of the CL and follicle were measured using ultrasonography. Plasma progesterone concentrations were determined by an enzyme immunoassay method. The vitamin Alevels of the plasma, CL and FF were not related to each other. The highest plasma vitamin Alevels were observed in the proestrus and oestrus, at which periods follicular activity dominates. The vitamin Alevels in the CL and FF were negatively related to the weight and diameter of the CL and the diameter of follicle, respectively. In contrast to vitamin A, b-carotene concentrations of plasma, CL and FF were significantly correlated with each other. The highest b-carotene levels in the plasma, CL and FF were found during pregnancy when there is maximal luteal function, and the b-carotene level of the CL was significantly correlated with the weight and diameter of CL. Furthermore, the intrafollicular b-carotene level was negatively correlated with the follicle diameter. There was a positive correlation between lasma progesterone level and the weight and diameter of the CL, but a negative correlation between plasma progesterone level and follicle diameter. Moreover, plasma, FF and CL b-carotene levels were positively correlated with plasma progesterone levels. This study revealed that b-carotene levels in the plasma, CL and FF were influenced by the stage of the oestrous cycle or the pregnancy and were related to bovine luteal function without depending on vitamin A.en_US
dc.identifier.citationHaliloğlu, S., Başpınar, N., Serpek, B., Erdem, H., Bulut, Z., (2002). Vitamin a and ?-Carotene Levels in Plasma, Corpus Luteum and Follicular Fluid of Cyclic and Pregnant Cattle. Reproduction in Domestic Animals, (37), 96-99. Doi: 10.1046/j.1439-0531.2002.00338.x
dc.identifier.doi10.1046/j.1439-0531.2002.00338.xen_US
dc.identifier.endpage99en_US
dc.identifier.issn0936-6768en_US
dc.identifier.pmid11975747en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage96en_US
dc.identifier.urihttps://dx.doi.org/10.1046/j.1439-0531.2002.00338.x
dc.identifier.urihttps://hdl.handle.net/20.500.12395/18182
dc.identifier.volume37en_US
dc.identifier.wosWOS:000175413100006en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorHaliloğlu, Seyfullah
dc.institutionauthorBaşpınar, Nuri
dc.institutionauthorSerpek, Behiç
dc.institutionauthorErdem, Hüseyin
dc.institutionauthorBulut, Zafer
dc.language.isoenen_US
dc.relation.ispartofReproduction in Domestic Animalsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.titleVitamin a and ?-Carotene Levels in Plasma, Corpus Luteum and Follicular Fluid of Cyclic and Pregnant Cattleen_US
dc.typeArticleen_US

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