Correlations between thermal environment and egg quality of two layer commercial strains

Detalhes bibliográficos
Autor(a) principal: Pereira, Danilo Florentino [UNESP]
Data de Publicação: 2008
Outros Autores: Vitorasso, G [UNESP], Oliveira, SC [UNESP], Kakimoto, SK, Togashi, CK, Soares, NM
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://dx.doi.org/10.1590/S1516-635X2008000200002
http://hdl.handle.net/11449/230
Resumo: Heat stress limits the productivity of laying hens, as reflected by egg production and egg quality. The present study aimed at showing the correlations between egg quality parameters and environmental variables recorded on the day eggs were laid and on the previous days. Birds were housed in battery cages in a commercial poultry house. Main component analyses were used to verify associations between environmental and production variables, and Pearson's linear correlation tests were used to further investigate those associations. Analyses were carried out separately for to layer strains, Dekalb® White and Hy-Line® w36, and the variables egg weight (g), eggshell weight (g), specific gravity (g/cm³) and eggshell percentage (%) were compared with the environmental variables of the same day of the production, and one, two, three, and four days before egg production. Sound intensity measured inside the houses was positively associated with the quality parameters of eggs produced on the next day. Thermal environmental variables affected the egg quality differently in each strain, particularly air temperature, internal roof tile temperature, relative humidity, and air velocity. Ammonia concentration measured inside the houses was lower than 1ppm, and did not affect production performance.
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spelling Correlations between thermal environment and egg quality of two layer commercial strainsCageegg qualityenvironmentlayerpoultry houseHeat stress limits the productivity of laying hens, as reflected by egg production and egg quality. The present study aimed at showing the correlations between egg quality parameters and environmental variables recorded on the day eggs were laid and on the previous days. Birds were housed in battery cages in a commercial poultry house. Main component analyses were used to verify associations between environmental and production variables, and Pearson's linear correlation tests were used to further investigate those associations. Analyses were carried out separately for to layer strains, Dekalb® White and Hy-Line® w36, and the variables egg weight (g), eggshell weight (g), specific gravity (g/cm³) and eggshell percentage (%) were compared with the environmental variables of the same day of the production, and one, two, three, and four days before egg production. Sound intensity measured inside the houses was positively associated with the quality parameters of eggs produced on the next day. Thermal environmental variables affected the egg quality differently in each strain, particularly air temperature, internal roof tile temperature, relative humidity, and air velocity. Ammonia concentration measured inside the houses was lower than 1ppm, and did not affect production performance.Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)UNESP Faculdade de Administração de Empresas e AgronegóciosAPTA Alta PaulistaAPTA IB CAPTAAUNESP Faculdade de Administração de Empresas e AgronegóciosFAPESP: 06/51926-7CNPq: 476397/20FAPESP: 08/09582-4Fundação APINCO de Ciência e Tecnologia AvícolasUniversidade Estadual Paulista (Unesp)Agência Paulista de Tecnologia dos Agronegócios (APTA)Pereira, Danilo Florentino [UNESP]Vitorasso, G [UNESP]Oliveira, SC [UNESP]Kakimoto, SKTogashi, CKSoares, NM2014-05-20T13:12:14Z2014-05-20T13:12:14Z2008-06-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article81-88application/pdfhttp://dx.doi.org/10.1590/S1516-635X2008000200002Revista Brasileira de Ciência Avícola. Fundação APINCO de Ciência e Tecnologia Avícolas, v. 10, n. 2, p. 81-88, 2008.1516-635Xhttp://hdl.handle.net/11449/23010.1590/S1516-635X2008000200002S1516-635X2008000200002WOS:000259783200002S1516-635X2008000200002.pdfSciELOreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengRevista Brasileira de Ciência Avícola0.463info:eu-repo/semantics/openAccess2024-06-10T14:49:16Zoai:repositorio.unesp.br:11449/230Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T17:16:39.265930Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Correlations between thermal environment and egg quality of two layer commercial strains
title Correlations between thermal environment and egg quality of two layer commercial strains
spellingShingle Correlations between thermal environment and egg quality of two layer commercial strains
Pereira, Danilo Florentino [UNESP]
Cage
egg quality
environment
layer
poultry house
title_short Correlations between thermal environment and egg quality of two layer commercial strains
title_full Correlations between thermal environment and egg quality of two layer commercial strains
title_fullStr Correlations between thermal environment and egg quality of two layer commercial strains
title_full_unstemmed Correlations between thermal environment and egg quality of two layer commercial strains
title_sort Correlations between thermal environment and egg quality of two layer commercial strains
author Pereira, Danilo Florentino [UNESP]
author_facet Pereira, Danilo Florentino [UNESP]
Vitorasso, G [UNESP]
Oliveira, SC [UNESP]
Kakimoto, SK
Togashi, CK
Soares, NM
author_role author
author2 Vitorasso, G [UNESP]
Oliveira, SC [UNESP]
Kakimoto, SK
Togashi, CK
Soares, NM
author2_role author
author
author
author
author
dc.contributor.none.fl_str_mv Universidade Estadual Paulista (Unesp)
Agência Paulista de Tecnologia dos Agronegócios (APTA)
dc.contributor.author.fl_str_mv Pereira, Danilo Florentino [UNESP]
Vitorasso, G [UNESP]
Oliveira, SC [UNESP]
Kakimoto, SK
Togashi, CK
Soares, NM
dc.subject.por.fl_str_mv Cage
egg quality
environment
layer
poultry house
topic Cage
egg quality
environment
layer
poultry house
description Heat stress limits the productivity of laying hens, as reflected by egg production and egg quality. The present study aimed at showing the correlations between egg quality parameters and environmental variables recorded on the day eggs were laid and on the previous days. Birds were housed in battery cages in a commercial poultry house. Main component analyses were used to verify associations between environmental and production variables, and Pearson's linear correlation tests were used to further investigate those associations. Analyses were carried out separately for to layer strains, Dekalb® White and Hy-Line® w36, and the variables egg weight (g), eggshell weight (g), specific gravity (g/cm³) and eggshell percentage (%) were compared with the environmental variables of the same day of the production, and one, two, three, and four days before egg production. Sound intensity measured inside the houses was positively associated with the quality parameters of eggs produced on the next day. Thermal environmental variables affected the egg quality differently in each strain, particularly air temperature, internal roof tile temperature, relative humidity, and air velocity. Ammonia concentration measured inside the houses was lower than 1ppm, and did not affect production performance.
publishDate 2008
dc.date.none.fl_str_mv 2008-06-01
2014-05-20T13:12:14Z
2014-05-20T13:12:14Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://dx.doi.org/10.1590/S1516-635X2008000200002
Revista Brasileira de Ciência Avícola. Fundação APINCO de Ciência e Tecnologia Avícolas, v. 10, n. 2, p. 81-88, 2008.
1516-635X
http://hdl.handle.net/11449/230
10.1590/S1516-635X2008000200002
S1516-635X2008000200002
WOS:000259783200002
S1516-635X2008000200002.pdf
url http://dx.doi.org/10.1590/S1516-635X2008000200002
http://hdl.handle.net/11449/230
identifier_str_mv Revista Brasileira de Ciência Avícola. Fundação APINCO de Ciência e Tecnologia Avícolas, v. 10, n. 2, p. 81-88, 2008.
1516-635X
10.1590/S1516-635X2008000200002
S1516-635X2008000200002
WOS:000259783200002
S1516-635X2008000200002.pdf
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Revista Brasileira de Ciência Avícola
0.463
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 81-88
application/pdf
dc.publisher.none.fl_str_mv Fundação APINCO de Ciência e Tecnologia Avícolas
publisher.none.fl_str_mv Fundação APINCO de Ciência e Tecnologia Avícolas
dc.source.none.fl_str_mv SciELO
reponame:Repositório Institucional da UNESP
instname:Universidade Estadual Paulista (UNESP)
instacron:UNESP
instname_str Universidade Estadual Paulista (UNESP)
instacron_str UNESP
institution UNESP
reponame_str Repositório Institucional da UNESP
collection Repositório Institucional da UNESP
repository.name.fl_str_mv Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)
repository.mail.fl_str_mv
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