Mortality, production and quality of eggs of different rearing systems

Detalhes bibliográficos
Autor(a) principal: Tavares, Bartira de O. [UNESP]
Data de Publicação: 2018
Outros Autores: Pereira, Danilo F. [UNESP], Salgado, Douglas D'Alessandro [UNESP], Mac-Lean, Priscilla A. Bustos [UNESP]
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://dx.doi.org/10.1590/1809-4430-Eng.Agric.v38n4p478-485/2018
http://hdl.handle.net/11449/180121
Resumo: The conventional production of eggs in cage systems is intense and compromises the laying hens welfare. More demanding consumer markets have been pushing to abolish the use of cages and thus provide better welfare in poultry laying. This research evaluated the mortality, production, and egg quality of two alternative production systems (free-range and organic free range free-range) and compared them with the conventional system. The research was carried out in two commercial poultry farms and the variables egg weight, shell egg resistance, Haugh unit, mortality and production were recorded during eight months. The results showed that the conventional system presented better production, lower mortality and better shell egg quality. The alternative systems had better internal egg quality. Alternative systems had greater variability in outcomes and problems with disease control, which indicate greater difficulty for proper management.
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spelling Mortality, production and quality of eggs of different rearing systemsAlternative egg productionAnimal welfarePoultry egg farmingQuality of eggsThe conventional production of eggs in cage systems is intense and compromises the laying hens welfare. More demanding consumer markets have been pushing to abolish the use of cages and thus provide better welfare in poultry laying. This research evaluated the mortality, production, and egg quality of two alternative production systems (free-range and organic free range free-range) and compared them with the conventional system. The research was carried out in two commercial poultry farms and the variables egg weight, shell egg resistance, Haugh unit, mortality and production were recorded during eight months. The results showed that the conventional system presented better production, lower mortality and better shell egg quality. The alternative systems had better internal egg quality. Alternative systems had greater variability in outcomes and problems with disease control, which indicate greater difficulty for proper management.Universidade Estadual PaulistaSão Paulo State University (UNESP) School of Sciences and EngineeringUniversidade Estadual PaulistaSão Paulo State University (UNESP) School of Sciences and EngineeringUniversidade Estadual Paulista (Unesp)Tavares, Bartira de O. [UNESP]Pereira, Danilo F. [UNESP]Salgado, Douglas D'Alessandro [UNESP]Mac-Lean, Priscilla A. Bustos [UNESP]2018-12-11T17:38:15Z2018-12-11T17:38:15Z2018-07-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article478-485application/pdfhttp://dx.doi.org/10.1590/1809-4430-Eng.Agric.v38n4p478-485/2018Engenharia Agricola, v. 38, n. 4, p. 478-485, 2018.1808-43890100-6916http://hdl.handle.net/11449/18012110.1590/1809-4430-Eng.Agric.v38n4p478-485/2018S0100-691620180004004782-s2.0-85052090890S0100-69162018000400478.pdfScopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengEngenharia Agricola0,305info:eu-repo/semantics/openAccess2024-06-10T14:49:17Zoai:repositorio.unesp.br:11449/180121Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestrepositoriounesp@unesp.bropendoar:29462024-06-10T14:49:17Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Mortality, production and quality of eggs of different rearing systems
title Mortality, production and quality of eggs of different rearing systems
spellingShingle Mortality, production and quality of eggs of different rearing systems
Tavares, Bartira de O. [UNESP]
Alternative egg production
Animal welfare
Poultry egg farming
Quality of eggs
title_short Mortality, production and quality of eggs of different rearing systems
title_full Mortality, production and quality of eggs of different rearing systems
title_fullStr Mortality, production and quality of eggs of different rearing systems
title_full_unstemmed Mortality, production and quality of eggs of different rearing systems
title_sort Mortality, production and quality of eggs of different rearing systems
author Tavares, Bartira de O. [UNESP]
author_facet Tavares, Bartira de O. [UNESP]
Pereira, Danilo F. [UNESP]
Salgado, Douglas D'Alessandro [UNESP]
Mac-Lean, Priscilla A. Bustos [UNESP]
author_role author
author2 Pereira, Danilo F. [UNESP]
Salgado, Douglas D'Alessandro [UNESP]
Mac-Lean, Priscilla A. Bustos [UNESP]
author2_role author
author
author
dc.contributor.none.fl_str_mv Universidade Estadual Paulista (Unesp)
dc.contributor.author.fl_str_mv Tavares, Bartira de O. [UNESP]
Pereira, Danilo F. [UNESP]
Salgado, Douglas D'Alessandro [UNESP]
Mac-Lean, Priscilla A. Bustos [UNESP]
dc.subject.por.fl_str_mv Alternative egg production
Animal welfare
Poultry egg farming
Quality of eggs
topic Alternative egg production
Animal welfare
Poultry egg farming
Quality of eggs
description The conventional production of eggs in cage systems is intense and compromises the laying hens welfare. More demanding consumer markets have been pushing to abolish the use of cages and thus provide better welfare in poultry laying. This research evaluated the mortality, production, and egg quality of two alternative production systems (free-range and organic free range free-range) and compared them with the conventional system. The research was carried out in two commercial poultry farms and the variables egg weight, shell egg resistance, Haugh unit, mortality and production were recorded during eight months. The results showed that the conventional system presented better production, lower mortality and better shell egg quality. The alternative systems had better internal egg quality. Alternative systems had greater variability in outcomes and problems with disease control, which indicate greater difficulty for proper management.
publishDate 2018
dc.date.none.fl_str_mv 2018-12-11T17:38:15Z
2018-12-11T17:38:15Z
2018-07-01
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/10.1590/1809-4430-Eng.Agric.v38n4p478-485/2018
Engenharia Agricola, v. 38, n. 4, p. 478-485, 2018.
1808-4389
0100-6916
http://hdl.handle.net/11449/180121
10.1590/1809-4430-Eng.Agric.v38n4p478-485/2018
S0100-69162018000400478
2-s2.0-85052090890
S0100-69162018000400478.pdf
url http://dx.doi.org/10.1590/1809-4430-Eng.Agric.v38n4p478-485/2018
http://hdl.handle.net/11449/180121
identifier_str_mv Engenharia Agricola, v. 38, n. 4, p. 478-485, 2018.
1808-4389
0100-6916
10.1590/1809-4430-Eng.Agric.v38n4p478-485/2018
S0100-69162018000400478
2-s2.0-85052090890
S0100-69162018000400478.pdf
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Engenharia Agricola
0,305
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 478-485
application/pdf
dc.source.none.fl_str_mv Scopus
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 repositoriounesp@unesp.br
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