Mixed management in growing and finishing pigs: Differences between gender and their impacts on behavior, growth performance, and physiological parameters

Mixing, a common management strategy used to regroup pigs, has been reported to impair individual performance and affect pig welfare because of the establishment of a new social hierarchy after regrouping. In this study we aimed to determine whether mixing management (non-mixed vs. mixed) and gender...

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Autores: de Oliveira, Angela Cristina da Fonseca, Costa, Leandro Batista, Weber, Saulo Henrique, Ramayo-Caldas, Yuliaxis, Dalmau, Antoni
Formato: artículo
Fecha de publicación:2023
País:España
Recursos:Institut de Recerca i Tecnologia Agroalimentàries (IRTA)
Repositorio:IRTA Pubpro. Open Digital Archive
OAI Identifier:oai:repositori.irta.cat:20.500.12327/2219
Acesso em linha:http://hdl.handle.net/20.500.12327/2219
https://doi.org/10.1371/journal.pone.0284481
Access Level:acceso abierto
Palavra-chave:636
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spelling Mixed management in growing and finishing pigs: Differences between gender and their impacts on behavior, growth performance, and physiological parametersde Oliveira, Angela Cristina da FonsecaCosta, Leandro BatistaWeber, Saulo HenriqueRamayo-Caldas, YuliaxisDalmau, Antoni636Mixing, a common management strategy used to regroup pigs, has been reported to impair individual performance and affect pig welfare because of the establishment of a new social hierarchy after regrouping. In this study we aimed to determine whether mixing management (non-mixed vs. mixed) and gender (gilts vs. barrows) affect the social and non-social behavior, performance, and physiological parameters of pigs. A total of 96 growing pigs (48 barrows and 48 females) were separated into two treatments: control (CT)—pigs that were mixed once during the growing-finishing period; and social stress (SS)—pigs that were mixed thrice during the growing-finishing period. We recorded social and non-social behaviors, injury score, performance, and physiological parameters during the experimental period. Data were grouped by the period, based on each mix performed, and overall values. The statistical analysis performed considered gender and treatment. For treatment, during period–II and III, the SS group presented the highest frequency of agonistic interactions (AI), stayed longer lying laterally (LL) and sternly (LS), and explored more enrichment material (ER) than the CT group. Furthermore, SS pigs presented the highest injury score in the ear, head, and middle and posterior regions. Compared to the females, the barrows spent more time at the electronic feed station and initiated most of the agonistic interactions during period–II, and they presented a higher injury score for the ear and head regions during period–III. In conclusion, repeated regrouping significantly affected social and feeding behavior without severely altering performance and physiological parameters. Furthermore, different patterns of social and feeding behavior, agonistic interactions, and injury scores between barrows and females were observed. This study provides an understanding of the impact of mixing management and gender differences on pigs, and this knowledge can be used to improve swine productivity and welfare.info:eu-repo/semantics/publishedVersionPublic Library of ScienceProducció AnimalBenestar AnimalGenètica i Millora Animal202320232023info:eu-repo/semantics/article20application/pdfhttp://hdl.handle.net/20.500.12327/2219https://doi.org/10.1371/journal.pone.0284481reponame:IRTA Pubpro. Open Digital Archiveinstname:Institut de Recerca i Tecnologia Agroalimentàries (IRTA)InglésPLoS ONEAttribution 4.0 Internationalhttp://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessoai:repositori.irta.cat:20.500.12327/22192026-06-16T08:51:17Z
dc.title.none.fl_str_mv Mixed management in growing and finishing pigs: Differences between gender and their impacts on behavior, growth performance, and physiological parameters
title Mixed management in growing and finishing pigs: Differences between gender and their impacts on behavior, growth performance, and physiological parameters
spellingShingle Mixed management in growing and finishing pigs: Differences between gender and their impacts on behavior, growth performance, and physiological parameters
de Oliveira, Angela Cristina da Fonseca
636
title_short Mixed management in growing and finishing pigs: Differences between gender and their impacts on behavior, growth performance, and physiological parameters
title_full Mixed management in growing and finishing pigs: Differences between gender and their impacts on behavior, growth performance, and physiological parameters
title_fullStr Mixed management in growing and finishing pigs: Differences between gender and their impacts on behavior, growth performance, and physiological parameters
title_full_unstemmed Mixed management in growing and finishing pigs: Differences between gender and their impacts on behavior, growth performance, and physiological parameters
title_sort Mixed management in growing and finishing pigs: Differences between gender and their impacts on behavior, growth performance, and physiological parameters
dc.creator.none.fl_str_mv de Oliveira, Angela Cristina da Fonseca
Costa, Leandro Batista
Weber, Saulo Henrique
Ramayo-Caldas, Yuliaxis
Dalmau, Antoni
author de Oliveira, Angela Cristina da Fonseca
author_facet de Oliveira, Angela Cristina da Fonseca
Costa, Leandro Batista
Weber, Saulo Henrique
Ramayo-Caldas, Yuliaxis
Dalmau, Antoni
author_role author
author2 Costa, Leandro Batista
Weber, Saulo Henrique
Ramayo-Caldas, Yuliaxis
Dalmau, Antoni
author2_role author
author
author
author
dc.contributor.none.fl_str_mv Producció Animal
Benestar Animal
Genètica i Millora Animal
dc.subject.none.fl_str_mv 636
topic 636
description Mixing, a common management strategy used to regroup pigs, has been reported to impair individual performance and affect pig welfare because of the establishment of a new social hierarchy after regrouping. In this study we aimed to determine whether mixing management (non-mixed vs. mixed) and gender (gilts vs. barrows) affect the social and non-social behavior, performance, and physiological parameters of pigs. A total of 96 growing pigs (48 barrows and 48 females) were separated into two treatments: control (CT)—pigs that were mixed once during the growing-finishing period; and social stress (SS)—pigs that were mixed thrice during the growing-finishing period. We recorded social and non-social behaviors, injury score, performance, and physiological parameters during the experimental period. Data were grouped by the period, based on each mix performed, and overall values. The statistical analysis performed considered gender and treatment. For treatment, during period–II and III, the SS group presented the highest frequency of agonistic interactions (AI), stayed longer lying laterally (LL) and sternly (LS), and explored more enrichment material (ER) than the CT group. Furthermore, SS pigs presented the highest injury score in the ear, head, and middle and posterior regions. Compared to the females, the barrows spent more time at the electronic feed station and initiated most of the agonistic interactions during period–II, and they presented a higher injury score for the ear and head regions during period–III. In conclusion, repeated regrouping significantly affected social and feeding behavior without severely altering performance and physiological parameters. Furthermore, different patterns of social and feeding behavior, agonistic interactions, and injury scores between barrows and females were observed. This study provides an understanding of the impact of mixing management and gender differences on pigs, and this knowledge can be used to improve swine productivity and welfare.
publishDate 2023
dc.date.none.fl_str_mv 2023
2023
2023
dc.type.none.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/20.500.12327/2219
https://doi.org/10.1371/journal.pone.0284481
url http://hdl.handle.net/20.500.12327/2219
https://doi.org/10.1371/journal.pone.0284481
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv PLoS ONE
dc.rights.none.fl_str_mv Attribution 4.0 International
http://creativecommons.org/licenses/by/4.0/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Attribution 4.0 International
http://creativecommons.org/licenses/by/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 20
application/pdf
dc.publisher.none.fl_str_mv Public Library of Science
publisher.none.fl_str_mv Public Library of Science
dc.source.none.fl_str_mv reponame:IRTA Pubpro. Open Digital Archive
instname:Institut de Recerca i Tecnologia Agroalimentàries (IRTA)
instname_str Institut de Recerca i Tecnologia Agroalimentàries (IRTA)
reponame_str IRTA Pubpro. Open Digital Archive
collection IRTA Pubpro. Open Digital Archive
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,301603

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