Manipulation of incubation temperatures to increase cold resistance of broilers: Influence on embryo development, organ weights, hormones and body composition

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dc.contributor.authorYalçin S.
dc.contributor.authorÖzkan S.
dc.contributor.authorSiegel P.
dc.contributor.authorYenisey C.
dc.contributor.authorAkşit M.
dc.date.accessioned2019-10-26T21:55:44Z
dc.date.available2019-10-26T21:55:44Z
dc.date.issued2012
dc.departmentEge Üniversitesien_US
dc.description.abstractEighteen hundred eggs obtained from Ross broiler breeders at 32 and 48 wk age were randomly assigned to two incubation treatments: T1 eggs were incubated at 37.6°C throughout, while for T2 eggs the incubation temperature was reduced 1°C for 6 h daily at embryonic ages (EA) 10 to 18. Embryo and organ weights and body composition were measured at EA14, 19 and day of hatch (DOH). Hatchability and hatching duration, as well as serum triiodothyronine (T3), thyroxin (T3), and triglycerides were measured at DOH. T1 eggs contained less water than T2 eggs at EA18. Hatchability was lower and the incubation period was 4.2 h longer for T2 than T1 chicks. On DOH for older breeders chick weights and serum T3 levels were higher for T2 than T1; however, those from younger breeders were similar at both incubation temperatures. These results may show a beneficial effect of T2 treatment in older breeders. Incubation temperature did not affect triglycerides levels. On DOH, higher body lipids content of T2 than T1 chicks may contribute to their resistance to cold post hatch. © 2012, Japan Poultry Science Association.en_US
dc.identifier.doi10.2141/jpsa.011117
dc.identifier.endpage139en_US
dc.identifier.issn1346-7395
dc.identifier.issn1346-7395en_US
dc.identifier.issue2en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage133en_US
dc.identifier.urihttps://doi.org/10.2141/jpsa.011117
dc.identifier.urihttps://hdl.handle.net/11454/18996
dc.identifier.volume49en_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherJapan Poultry Science Associationen_US
dc.relation.ispartofJournal of Poultry Scienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectBody compositionen_US
dc.subjectEmbryoen_US
dc.subjectHatchabilityen_US
dc.subjectIncubation temperatureen_US
dc.subjectTemperature resistanceen_US
dc.titleManipulation of incubation temperatures to increase cold resistance of broilers: Influence on embryo development, organ weights, hormones and body compositionen_US
dc.typeArticleen_US

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