Histochemical and Histological Evaluations of the Effects of High Incubation Temperature on Embryonic Development of Thymus and Bursa of Fabricius in Broiler Chickens

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dc.contributor.authorÖznurlu, Yasemin
dc.contributor.authorÇelik, I.
dc.contributor.authorTelatar, T.
dc.contributor.authorSur, E.
dc.date.accessioned2020-03-26T17:49:02Z
dc.date.available2020-03-26T17:49:02Z
dc.date.issued2010
dc.departmentSelçuk Üniversitesien_US
dc.description.abstract1. The effects of experimentally induced heat-stress on the embryonic development of bursa of Fabricius and thymus of the chicken were investigated by means of histological and enzyme histochemical methods. 2. In the experiments, 250 fertile eggs of the Ross 308 broiler strain were divided into two groups. The control eggs were maintained under optimal conditions (378 degrees C and 65 +/- 2% relative humidity, RH) during the whole incubation period. Heat stressed eggs were maintained under normal conditions (378 degrees C and 65 +/- 2% RH) until the 10th d of incubation and then exposed continuously (24 h per d) to high temperature (388 degrees C and 65 +/- 2% RH). Blood and tissue samples were taken from 10 animals of each group at d 13, 15, 18 and 21 of incubation and at d 2, 4 and 7 post-hatch. Tissue samples were processed for enzyme histochemical methods in addition to routine histological techniques. 3. The results revealed that egg temperatures were higher than incubator air temperature. Long-term heat-stress (401-406 degrees C egg temperature) retarded development of thymus and bursa of Fabricius. Peripheral blood ACP-ase and ANAE-positive lymphocyte levels of heat-stressed animals were lower than in the controls. 4. These results give some morphological evidence for immunosuppression induced by high temperature exposure during the embryonic development. Temperature distribution and air circulation in incubator should be questioned in the case of lower broiler flock immunity.en_US
dc.identifier.citationÖznurlu, Y., Çelik, I., Telatar, T., Sur, E., (2010). Histochemical and Histological Evaluations of the Effects of High Incubation Temperature on Embryonic Development of Thymus and Bursa of Fabricius in Broiler Chickens. British Poultry Science, 51(1), 43-51. Doi: 10.1080/00071660903575558
dc.identifier.doi10.1080/00071660903575558en_US
dc.identifier.endpage51en_US
dc.identifier.issn0007-1668en_US
dc.identifier.issue1en_US
dc.identifier.pmid20390568en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage43en_US
dc.identifier.urihttps://dx.doi.org/10.1080/00071660903575558
dc.identifier.urihttps://hdl.handle.net/20.500.12395/24981
dc.identifier.volume51en_US
dc.identifier.wosWOS:000277492600005en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorÖznurlu, Yasemin
dc.institutionauthorÇelik, I.
dc.institutionauthorTelatar, T.
dc.institutionauthorSur, E.
dc.language.isoenen_US
dc.publisherTaylor & Francis Ltden_US
dc.relation.ispartofBritish Poultry Scienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.titleHistochemical and Histological Evaluations of the Effects of High Incubation Temperature on Embryonic Development of Thymus and Bursa of Fabricius in Broiler Chickensen_US
dc.typeArticleen_US

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