Effects of limestone particle size and dietary available Phosphorus (AP) contents on performance, eggshell quality and mineral excretion in laying hens

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dc.contributor.authorOlgun, O.
dc.contributor.authorYildiz, A. O.
dc.contributor.authorCufadar, Y.
dc.date.accessioned2020-03-26T18:41:43Z
dc.date.available2020-03-26T18:41:43Z
dc.date.issued2013
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractThe study was conducted in order to determine the influence of the limestone particle size and the available phosphorus (AP) contents in layer diets on performance, eggshell quality and mineral excretions. For that, 108 Hy-Line W36, 25 weeks old, were randomly allotted in 9 experimental groups according to the limestone particle size (fine (< 2 mm), medium (2-5 mm) and large (> 5 mm)) and to the AP contents (0.44, 0.55 and 0.66%) in diets distributed for 12 weeks. Performances (body weight, egg weight, egg production, egg mass, feed intake and food efficiency), eggshell qualities such as resistance, thickness, weight and mineral (Ca, P and Mg) accumulation) and mineral excretion were evaluated at the end of the experiment. The particle size and dietary AP content as main factors had no significant effect on food efficiency, egg weight, eggshell qualities and P and Mg eggshell accumulation. However, large particles have significantly decreased the egg production and mass, feed intake and the eggshell Ca amount but have significantly increased the Mg excretion. With 0.44% AP in diet, feed intake and Ca excretion were significantly depressed while eggshell Ca accumulation was enhanced and with 0.66% AP, the P excretion was markedly augmented. Considering interactions between the 2 factors, it was observed that maximal egg weight was obtained with fine particles associated with 0.44% AP and also with medium particles and 0.66% AP or large particles and 0.44% AP but with the 2 last regimens, feed intake, eggshell weight or resistance and Ca excretion were negatively affected in parallel, whereas Ca accumulation in eggshell was also amplified with fine particles and 0.44% AP. These results showed that fine limestone particles coupled to 0.44% AP in diets was the optimal combination for sustaining performance, egg production and qualities and limiting mineral excretion in laying hens.en_US
dc.identifier.endpage470en_US
dc.identifier.issn0035-1555en_US
dc.identifier.issn2258-0646en_US
dc.identifier.issue10en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage464en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12395/29447
dc.identifier.volume164en_US
dc.identifier.wosWOS:000333342900005en_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.subjectLaying hensen_US
dc.subjectparticle sizeen_US
dc.subjectcalciumen_US
dc.subjectavailable phosphorusen_US
dc.subjectperformanceen_US
dc.subjectegg productionen_US
dc.subjecteggshell qualityen_US
dc.subjectmineral eggshell contenten_US
dc.subjectmineral excretionen_US
dc.titleEffects of limestone particle size and dietary available Phosphorus (AP) contents on performance, eggshell quality and mineral excretion in laying hensen_US
dc.typeArticleen_US

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