Threonine Requirement of Laying Japanese Quails

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dc.contributor.authorCanogullari, Sibel
dc.contributor.authorBaylan, Mikail
dc.contributor.authorAyasan, Tugay
dc.date.accessioned2024-09-18T20:28:12Z
dc.date.available2024-09-18T20:28:12Z
dc.date.issued2009
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractIn order to determine the threonine requirement of laying Japanese quails, one experiment was conducted using laying performance as parameters. In the study, a total of 40 female Japanese quails at 8 weeks of age were used. The quails were divided into four groups randomly. Experimental treatments consisted of four concentrations of total threonine using diets that ranged from 0.74-1.04% in progressive increments of 0.10%. Feed and water were supplied ad libitum and light was provided 16 h (from 8.00-24.00) each day. Laying performance was determined daily by measuring feed intake, feed conversion efficiency (feed intake/egg weight), egg production (number and weight). The experimental period lasted 9 weeks. Increasing threonine level in the diets increased feed conversion efficiency, total egg production (g/bird/63 days), egg weight (g/bird/day) and number of eggs (bird/63 days). However, there were no significant differences among the groups (p>0.05). About 1.04% threonine level in diet increased egg production 9.79% and number of eggs 9.30% compared with the basal diet (0.74% threonine). The results suggest that the current NRC recommendation of 0.74% threonine for laying quails is not adequate to support comparable laying performance.en_US
dc.identifier.endpage1541en_US
dc.identifier.issn1680-5593
dc.identifier.issue8en_US
dc.identifier.scopus2-s2.0-70350780741en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage1539en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12483/10787
dc.identifier.volume8en_US
dc.identifier.wosWOS:000267568900014en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherMedwell Onlineen_US
dc.relation.ispartofJournal of Animal and Veterinary Advancesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectJapanese quailen_US
dc.subjectthreonineen_US
dc.subjectegg yield parametersen_US
dc.subjectad libitumen_US
dc.subjectfeed conversionen_US
dc.subjectegg productionen_US
dc.titleThreonine Requirement of Laying Japanese Quailsen_US
dc.typeArticleen_US

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