Physiological and behavioral responses of Nellore steers to artificial shading in an intensive production system

Detalhes bibliográficos
Autor(a) principal: Ferro, Diogo Alves da Costa
Data de Publicação: 2016
Outros Autores: Arnhold, Emmanuel, Bueno, Claudia Peixoto, Miyagi, Eliane Sayuri, Ferro, Rafael Alves da Costa, Santos, Aracele Pinheiro Pales dos, Santos, Klayto José Gonçalves dos, Silva, Bruna Paula Alves da
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Semina. Ciências Agrárias (Online)
Texto Completo: https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/25040
Resumo: The influence of artificial shading on environmental variables and on behavioral responses of Nellore steers in an intensive production system was evaluated in this study. The experiment was conducted in the experimental feedlot of the Department of Animal Science at Universidade Estadual de Goiás, from July to October 2014. Forty-eight male Nellore cattle with an average initial weight of 310 kg were kept in double 24-m2 stalls, in a total of 24 stalls. Of these, six were in the open air; six were covered with black shade netting of 30% light interception; six with black shade netting 50%; and six with black shade netting 80%, providing 6 m2 of shade per stall. Temperature-humidity index (THI) and respiratory frequency (RF) were assessed twice weekly and behavior was evaluated fortnightly during 12 h, between 06:00 h and 18.00 h. Feeding behavior, rumination, rest, and social activities such as body care and playful and abnormal activities were observed. A significant increase was found in THI and RF as the shading levels decreased, while a significant difference was recorded in rest and in other activities, water intake, and play behavior. Rest time and playful behavior increased significantly, and other activities and water intake decreased with the increase in shading levels. Shading does not change the time spent on feeding behaviors and rumination, or the frequencies of urination, defecation, cleaning other animals, self-cleaning, and social and abnormal types of behavior. The use of black shade netting of 80% light interception provides greater comfort to animals, promoting welfare and quality of life to them.
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spelling Physiological and behavioral responses of Nellore steers to artificial shading in an intensive production systemRespostas fisiológicas e comportamentais de bovinos Nelore em sistema intensivo de produção com sombreamento artificialAmbienceBehaviorPerformanceWelfare.AmbiênciaBem-estarComportamentoDesempenho.The influence of artificial shading on environmental variables and on behavioral responses of Nellore steers in an intensive production system was evaluated in this study. The experiment was conducted in the experimental feedlot of the Department of Animal Science at Universidade Estadual de Goiás, from July to October 2014. Forty-eight male Nellore cattle with an average initial weight of 310 kg were kept in double 24-m2 stalls, in a total of 24 stalls. Of these, six were in the open air; six were covered with black shade netting of 30% light interception; six with black shade netting 50%; and six with black shade netting 80%, providing 6 m2 of shade per stall. Temperature-humidity index (THI) and respiratory frequency (RF) were assessed twice weekly and behavior was evaluated fortnightly during 12 h, between 06:00 h and 18.00 h. Feeding behavior, rumination, rest, and social activities such as body care and playful and abnormal activities were observed. A significant increase was found in THI and RF as the shading levels decreased, while a significant difference was recorded in rest and in other activities, water intake, and play behavior. Rest time and playful behavior increased significantly, and other activities and water intake decreased with the increase in shading levels. Shading does not change the time spent on feeding behaviors and rumination, or the frequencies of urination, defecation, cleaning other animals, self-cleaning, and social and abnormal types of behavior. The use of black shade netting of 80% light interception provides greater comfort to animals, promoting welfare and quality of life to them.Objetivou-se avaliar a influência dos níveis de sombreamento artificial nas variáveis ambientais e nas respostas comportamentais de machos bovinos nelore em sistema intensivo de produção. O experimento foi realizado no confinamento experimental do curso de Zootecnia da Universidade Estadual de Goiás, no período de julho a outubro de 2014. Utilizaram-se 48 bovinos machos Nelore, com peso médio inicial de 310 kg, mantidos em baias duplas de 24m², sendo utilizados 24 baias, destas, seis a céu aberto, seis com sombrite preto com malha 30%, seis com malha 50% e seis com malha 80%, cobrindo seis m² de sombra por baia. Foi realizado duas vezes por semana avaliação de ITU e frequência respiratória e quinzenalmente a avaliação de comportamento, com duração de 12 horas, com início as 6:00h e término às 18:00h, observou-se o comportamento alimentar, ruminação, descanso, outras atividades, social, cuidados corporais, lúdico e anormal. Observou-se um aumento significativo nos valores de ITU e FR a medida que se reduzia os níveis de sombreamento. Também foi observado uma diferença significativa no tempo de comportamentos de descanso e em outras atividades, e na frequência do consumo de água e comportamento lúdico, com aumento significativo no tempo de descanso e frequência de comportamento lúdico, e redução de outras atividades e ingestão de água em função do aumento dos níveis de sombreamento. Não se observou diferença significativa nos tempos de comportamento alimentar e de ruminação e nas frequências de micção, defecação, autolimpeza e comportamentos sociais e anormais. A utilização do sombreamento do tipo 80% porporciona um maior conforto aos animais, favorecendo do bem-estar e a qualidade de vida.UEL2016-09-02info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArtigo Científicoapplication/pdfhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/2504010.5433/1679-0359.2016v37n4Supl1p2785Semina: Ciências Agrárias; Vol. 37 No. 4Supl1 (2016); 2785-2792Semina: Ciências Agrárias; v. 37 n. 4Supl1 (2016); 2785-27921679-03591676-546Xreponame:Semina. Ciências Agrárias (Online)instname:Universidade Estadual de Londrina (UEL)instacron:UELenghttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/25040/19624Copyright (c) 2016 Semina: Ciências Agráriashttp://creativecommons.org/licenses/by-nc/4.0info:eu-repo/semantics/openAccessFerro, Diogo Alves da CostaArnhold, EmmanuelBueno, Claudia PeixotoMiyagi, Eliane SayuriFerro, Rafael Alves da CostaSantos, Aracele Pinheiro Pales dosSantos, Klayto José Gonçalves dosSilva, Bruna Paula Alves da2022-11-30T16:05:32Zoai:ojs.pkp.sfu.ca:article/25040Revistahttp://www.uel.br/revistas/uel/index.php/semagrariasPUBhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/oaisemina.agrarias@uel.br1679-03591676-546Xopendoar:2022-11-30T16:05:32Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL)false
dc.title.none.fl_str_mv Physiological and behavioral responses of Nellore steers to artificial shading in an intensive production system
Respostas fisiológicas e comportamentais de bovinos Nelore em sistema intensivo de produção com sombreamento artificial
title Physiological and behavioral responses of Nellore steers to artificial shading in an intensive production system
spellingShingle Physiological and behavioral responses of Nellore steers to artificial shading in an intensive production system
Ferro, Diogo Alves da Costa
Ambience
Behavior
Performance
Welfare.
Ambiência
Bem-estar
Comportamento
Desempenho.
title_short Physiological and behavioral responses of Nellore steers to artificial shading in an intensive production system
title_full Physiological and behavioral responses of Nellore steers to artificial shading in an intensive production system
title_fullStr Physiological and behavioral responses of Nellore steers to artificial shading in an intensive production system
title_full_unstemmed Physiological and behavioral responses of Nellore steers to artificial shading in an intensive production system
title_sort Physiological and behavioral responses of Nellore steers to artificial shading in an intensive production system
author Ferro, Diogo Alves da Costa
author_facet Ferro, Diogo Alves da Costa
Arnhold, Emmanuel
Bueno, Claudia Peixoto
Miyagi, Eliane Sayuri
Ferro, Rafael Alves da Costa
Santos, Aracele Pinheiro Pales dos
Santos, Klayto José Gonçalves dos
Silva, Bruna Paula Alves da
author_role author
author2 Arnhold, Emmanuel
Bueno, Claudia Peixoto
Miyagi, Eliane Sayuri
Ferro, Rafael Alves da Costa
Santos, Aracele Pinheiro Pales dos
Santos, Klayto José Gonçalves dos
Silva, Bruna Paula Alves da
author2_role author
author
author
author
author
author
author
dc.contributor.author.fl_str_mv Ferro, Diogo Alves da Costa
Arnhold, Emmanuel
Bueno, Claudia Peixoto
Miyagi, Eliane Sayuri
Ferro, Rafael Alves da Costa
Santos, Aracele Pinheiro Pales dos
Santos, Klayto José Gonçalves dos
Silva, Bruna Paula Alves da
dc.subject.por.fl_str_mv Ambience
Behavior
Performance
Welfare.
Ambiência
Bem-estar
Comportamento
Desempenho.
topic Ambience
Behavior
Performance
Welfare.
Ambiência
Bem-estar
Comportamento
Desempenho.
description The influence of artificial shading on environmental variables and on behavioral responses of Nellore steers in an intensive production system was evaluated in this study. The experiment was conducted in the experimental feedlot of the Department of Animal Science at Universidade Estadual de Goiás, from July to October 2014. Forty-eight male Nellore cattle with an average initial weight of 310 kg were kept in double 24-m2 stalls, in a total of 24 stalls. Of these, six were in the open air; six were covered with black shade netting of 30% light interception; six with black shade netting 50%; and six with black shade netting 80%, providing 6 m2 of shade per stall. Temperature-humidity index (THI) and respiratory frequency (RF) were assessed twice weekly and behavior was evaluated fortnightly during 12 h, between 06:00 h and 18.00 h. Feeding behavior, rumination, rest, and social activities such as body care and playful and abnormal activities were observed. A significant increase was found in THI and RF as the shading levels decreased, while a significant difference was recorded in rest and in other activities, water intake, and play behavior. Rest time and playful behavior increased significantly, and other activities and water intake decreased with the increase in shading levels. Shading does not change the time spent on feeding behaviors and rumination, or the frequencies of urination, defecation, cleaning other animals, self-cleaning, and social and abnormal types of behavior. The use of black shade netting of 80% light interception provides greater comfort to animals, promoting welfare and quality of life to them.
publishDate 2016
dc.date.none.fl_str_mv 2016-09-02
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Artigo Científico
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/25040
10.5433/1679-0359.2016v37n4Supl1p2785
url https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/25040
identifier_str_mv 10.5433/1679-0359.2016v37n4Supl1p2785
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/25040/19624
dc.rights.driver.fl_str_mv Copyright (c) 2016 Semina: Ciências Agrárias
http://creativecommons.org/licenses/by-nc/4.0
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Copyright (c) 2016 Semina: Ciências Agrárias
http://creativecommons.org/licenses/by-nc/4.0
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv UEL
publisher.none.fl_str_mv UEL
dc.source.none.fl_str_mv Semina: Ciências Agrárias; Vol. 37 No. 4Supl1 (2016); 2785-2792
Semina: Ciências Agrárias; v. 37 n. 4Supl1 (2016); 2785-2792
1679-0359
1676-546X
reponame:Semina. Ciências Agrárias (Online)
instname:Universidade Estadual de Londrina (UEL)
instacron:UEL
instname_str Universidade Estadual de Londrina (UEL)
instacron_str UEL
institution UEL
reponame_str Semina. Ciências Agrárias (Online)
collection Semina. Ciências Agrárias (Online)
repository.name.fl_str_mv Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL)
repository.mail.fl_str_mv semina.agrarias@uel.br
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