Behaviour and animal welfare indicators of broiler chickens housed in an enriched environment

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dc.contributor.authorLourenço da Silva, Marconi Italo [UNESP]
dc.contributor.authorAlmeida Paz, Ibiara Correia de Lima [UNESP]
dc.contributor.authorChaves, Gustavo Henrique Coelho [UNESP]
dc.contributor.authorAlmeida, Ianê Correia de Lima [UNESP]
dc.contributor.authorOuros, Caio Cesar Dos [UNESP]
dc.contributor.authorSouza, Silvia Regina Lucas de [UNESP]
dc.contributor.authorMilbradt, Elisane Lenita [UNESP]
dc.contributor.authorCaldara, Fabiana Ribeiro
dc.contributor.authorSatin, Ana Júlia Garcia [UNESP]
dc.contributor.authorCosta, Gabriel Augusto da [UNESP]
dc.contributor.authorGlavina, Andreia Soares Gonçalves [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)
dc.contributor.institutionFederal University of Grande Dourados
dc.date.accessioned2022-04-29T08:35:31Z
dc.date.available2022-04-29T08:35:31Z
dc.date.issued2021-01-01
dc.description.abstractThe present study aimed to assess the influence of adding straw bales, step platforms, and laser projectors as environmental enrichment resources on the behaviour and welfare indicators of broiler chickens (Gallus gallus domesticus). A sample of 4,000 day-old male Cobb® 500 birds was used. The experimental treatments consisted of No Environmental Enrichment (NEE)-similar to a conventional environment; and Environmental Enrichment (EE)-environment enriched with straw bales, step platforms, and laser projectors, with four replicates per treatment of 500 animals. Behavioural characteristics (ethological observation through cameras, grab test, and modified touch test) and animal welfare indicators (pododermatitis and dorsal cranial myopathy) were assessed. The birds submitted to the EE treatment exhibited greater exploratory activity and expression of behaviours associated with comfort and welfare, whereas those in the NEE group were less active. Locomotion and play fighting behaviour decreased and behaviours associated with comfort increased as age advanced. The frequencies of interaction with laser spots and birds lying around straw bales were the highest in the 1st week (P<0.01). The behaviours of pecking at straw bales (P<0.0004), using the step platforms (P = 0.0001) and being on top of straw bales (P<0.0002) gradually increased. The chickens accessed the feeding troughs the most in the period of 0800 hours (P<0.0001) and expressed the highest frequencies of behaviours associated with comfort in the 1400 hours and 1700 hours periods. The birds in the EE group were calmer in face of human presence and touch and scored higher in animal welfare indicators. Adding straw bales, step platforms, and laser projectors increased locomotion, reduced expression of fear, and improved animal welfare indicators of broiler chickens.en
dc.description.affiliationDepartment of Animal Production and Preventive Veterinary Medicine School of Veterinary Medicine and Animal Science (FMVZ) São Paulo State University Júlio de Mesquita Filho (UNESP)
dc.description.affiliationDepartment of Rural Engineering School of Agronomic Science (FCA) São Paulo State University Júlio de Mesquita Filho (UNESP)
dc.description.affiliationDepartment of Animal Production College of Agrarian Sciences Federal University of Grande Dourados
dc.description.affiliationUnespDepartment of Animal Production and Preventive Veterinary Medicine School of Veterinary Medicine and Animal Science (FMVZ) São Paulo State University Júlio de Mesquita Filho (UNESP)
dc.description.affiliationUnespDepartment of Rural Engineering School of Agronomic Science (FCA) São Paulo State University Júlio de Mesquita Filho (UNESP)
dc.format.extente0256963
dc.identifierhttp://dx.doi.org/10.1371/journal.pone.0256963
dc.identifier.citationPloS one, v. 16, n. 9, p. e0256963-, 2021.
dc.identifier.doi10.1371/journal.pone.0256963
dc.identifier.issn1932-6203
dc.identifier.scopus2-s2.0-85117259953
dc.identifier.urihttp://hdl.handle.net/11449/229726
dc.language.isoeng
dc.relation.ispartofPloS one
dc.sourceScopus
dc.titleBehaviour and animal welfare indicators of broiler chickens housed in an enriched environmenten
dc.typeArtigo
unesp.author.orcid0000-0002-3636-4805[1]
unesp.departmentEngenharia Rural - FCApt

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Artigos - Produção Animal - FMVZ
Botucatu - FCA - Faculdade de Ciências Agronômicas