Effects of boron and copper dietary supplementation in laying hens on egg shell quality, plasma and tibia mineral concentrations and bone biomechanical properties

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dc.contributor.authorOlgun, O.
dc.contributor.authorYazgan, O.
dc.contributor.authorCufadar, Y.
dc.date.accessioned2020-03-26T18:25:09Z
dc.date.available2020-03-26T18:25:09Z
dc.date.issued2012
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractThis study was conducted to determine the effects of supplementation of different boron and copper doses on eggshell quality, bone biomechanical properties. mineral concentrations in bone and plasma in laying hens. A total of 320 Lohmann laying hens, 26 weeks old, were randomly allotted in 16 equal groups according to the combined doses of boron (0, 60, 120 and 240 mg/kg) and copper (0.75. 150 and 300 mg/kg) added to the basal diets for 16 weeks. Eggshell quality parameters (frequency of damaged eggs, specific gravity, eggshell breaking strength, eggshell thickness, egg shell weight), bone biomechanical properties (cortex thickness, cortex cross section area, shear force, shear stress, fracture energy) and bone (tibia) and plasma mineral (B, Cu, Zn, Ca, P and Mg) concentrations were determined at the end of the experimental period. Added boron exhibited adverse effects on eggshell quality parameters (significant decrease in eggshell thickness) but has significantly promoted trace element (B, Cu and Zn) distribution and accumulation in bones without severely affecting bone Ca. P and Mg contents, and has significantly increased bone resistance (increases in cortex thickness, shear force, shear stress and fracture energy). Cu supplementation has not directly and significantly modified bone properties or B. Cu and Zn distribution and accumulation, although at 150 and 300 mg/kg Cu doses. the B fixation was exacerbated whereas the divalent ion accumulation was slightly depressed. In addition, the eggshell solidity was significantly improved (increases in specific gravity, eggshell breaking strength, eggshell thickness and eggshell weight). These results indicate that B and Cu supplementation interfere with trace element metabolism leading to improvement of egg shell quality (Cu) or to bone resistance (B).en_US
dc.description.sponsorshipSelcuk University BAPSelcuk University [09101061]en_US
dc.description.sponsorshipThis research was supported by Selcuk University BAP. Project No: 09101061.en_US
dc.identifier.endpage342en_US
dc.identifier.issn0035-1555en_US
dc.identifier.issn2258-0646en_US
dc.identifier.issue7en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage335en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12395/27966
dc.identifier.volume163en_US
dc.identifier.wosWOS:000311653700004en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherECOLE NATIONALE VETERINAIRE TOULOUSEen_US
dc.relation.ispartofREVUE DE MEDECINE VETERINAIREen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectBoronen_US
dc.subjectcopperen_US
dc.subjectlaying hensen_US
dc.subjecteggshell qualityen_US
dc.subjectbone biomechanical propertiesen_US
dc.subjectmineralsen_US
dc.titleEffects of boron and copper dietary supplementation in laying hens on egg shell quality, plasma and tibia mineral concentrations and bone biomechanical propertiesen_US
dc.typeArticleen_US

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