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 | Acesso ao texto completo restrito à biblioteca da Embrapa Meio Ambiente. Para informações adicionais entre em contato com cnpma.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
21/07/2021 |
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Data da última atualização: |
21/07/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
KARVATTE JUNIOR, N.; MIYAGI, E. S.; OLIVEIRA, C. C. de; MASTELARO, A. P.; COELHO, F. de A.; SILVA, G. B. S. da; BUNGENSTAB, D. J.; ALVES, F. V. |
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Afiliação: |
NIVALDO KARVATTE JUNIOR, UFG; ELIANE SAYURI MIYAGE, UFG; CAROLINE CARVALHO DE OLIVEIRA, UFMS; ARIADNE PEGORARO MASTELARO, UFPR; FLÁVIO DE AGUIAR COELHO, UFMS; GUSTAVO BAYMA SIQUEIRA DA SILVA, CNPMA; DAVI JOSE BUNGENSTAB, CNPGC; FABIANA VILLA ALVES, CNPGC. |
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Título: |
Spatiotemporal variations on infrared temperature as a thermal comfort indicator for cattle under agroforestry systems. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Journal of Thermal Biology, v. 97, article 102871, 2021. |
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ISSN: |
0306-4565 |
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DOI: |
https://doi.org/10.1016/j.jtherbio.2021.102871 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: With the expanding use of thermal assessment techniques in beef cattle, infrared thermography has become a promising tool for assessing the environment for animal thermal comfort. Goals of this study were: (1) to evaluate cattle thermal comfort in agroforestry systems with different shade availability (2) to verify the spatiotemporal variations of infrared temperature inside agroforestry systems, and; (3) to test infrared thermography as a potential tool to assess animal thermal comfort indices in agroforestry systems. A trial was carried out between June 2015 and February 2016, covering Central-Brazil's dry winter and rainy summer seasons, respectively. The experimental area of Embrapa Beef Cattle is located in Campo Grande (Mato Grosso do Sul), coordinates 20º24'53" S, 54º42'26" W and 558 m altitude. The 12 ha plot has two agroforestry systems varying shade availability. Traditional Black Globe Temperature and Humidity Index, Heat Load Index and Radiation Thermal Load were determined, from measurements using digital thermo-hygrometers, with datalogger. Surface temperature and humidity of tree canopies and pasture were determined using an infrared thermographic camera. Results show spatiotemporal variations in infrared temperature. This means that the environment inside agroforestry systems is not homogeneously comfortable for cattle, and the system with the lowest shade availability has the greatest heat accumulation area. Weak to strong associations were identified between infrared variables and thermal comfort indices (0.08 = r <= 0.75). Positive relationships were also obtained and equally well explained by the Black Globe Temperature and Humidity Index and Heat Load Index (0.55 = R2 <= 0.94). We conclude that infrared thermography can be used as a tool to assess thermal comfort indices in agroforestry systems and to determine onset of animal thermal stress from environment and heat body accumulation. MenosAbstract: With the expanding use of thermal assessment techniques in beef cattle, infrared thermography has become a promising tool for assessing the environment for animal thermal comfort. Goals of this study were: (1) to evaluate cattle thermal comfort in agroforestry systems with different shade availability (2) to verify the spatiotemporal variations of infrared temperature inside agroforestry systems, and; (3) to test infrared thermography as a potential tool to assess animal thermal comfort indices in agroforestry systems. A trial was carried out between June 2015 and February 2016, covering Central-Brazil's dry winter and rainy summer seasons, respectively. The experimental area of Embrapa Beef Cattle is located in Campo Grande (Mato Grosso do Sul), coordinates 20º24'53" S, 54º42'26" W and 558 m altitude. The 12 ha plot has two agroforestry systems varying shade availability. Traditional Black Globe Temperature and Humidity Index, Heat Load Index and Radiation Thermal Load were determined, from measurements using digital thermo-hygrometers, with datalogger. Surface temperature and humidity of tree canopies and pasture were determined using an infrared thermographic camera. Results show spatiotemporal variations in infrared temperature. This means that the environment inside agroforestry systems is not homogeneously comfortable for cattle, and the system with the lowest shade availability has the greatest heat accumulation area. Weak to strong associations were identif... Mostrar Tudo |
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Palavras-Chave: |
Thermal comfort indices. |
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Thesagro: |
Agrossilvicultura; Gado de Corte. |
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Thesaurus Nal: |
Agroforestry; Animal comfort; Beef cattle; Environmental monitoring; Geostatistics; Shade agroforestry systems; Thermography; Thermoregulation. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
LEADER 03074naa a2200361 a 4500
001 2133060
005 2021-07-21
008 2021 bl uuuu u00u1 u #d
022 $a0306-4565
024 7 $ahttps://doi.org/10.1016/j.jtherbio.2021.102871$2DOI
100 1 $aKARVATTE JUNIOR, N.
245 $aSpatiotemporal variations on infrared temperature as a thermal comfort indicator for cattle under agroforestry systems.$h[electronic resource]
260 $c2021
520 $aAbstract: With the expanding use of thermal assessment techniques in beef cattle, infrared thermography has become a promising tool for assessing the environment for animal thermal comfort. Goals of this study were: (1) to evaluate cattle thermal comfort in agroforestry systems with different shade availability (2) to verify the spatiotemporal variations of infrared temperature inside agroforestry systems, and; (3) to test infrared thermography as a potential tool to assess animal thermal comfort indices in agroforestry systems. A trial was carried out between June 2015 and February 2016, covering Central-Brazil's dry winter and rainy summer seasons, respectively. The experimental area of Embrapa Beef Cattle is located in Campo Grande (Mato Grosso do Sul), coordinates 20º24'53" S, 54º42'26" W and 558 m altitude. The 12 ha plot has two agroforestry systems varying shade availability. Traditional Black Globe Temperature and Humidity Index, Heat Load Index and Radiation Thermal Load were determined, from measurements using digital thermo-hygrometers, with datalogger. Surface temperature and humidity of tree canopies and pasture were determined using an infrared thermographic camera. Results show spatiotemporal variations in infrared temperature. This means that the environment inside agroforestry systems is not homogeneously comfortable for cattle, and the system with the lowest shade availability has the greatest heat accumulation area. Weak to strong associations were identified between infrared variables and thermal comfort indices (0.08 = r <= 0.75). Positive relationships were also obtained and equally well explained by the Black Globe Temperature and Humidity Index and Heat Load Index (0.55 = R2 <= 0.94). We conclude that infrared thermography can be used as a tool to assess thermal comfort indices in agroforestry systems and to determine onset of animal thermal stress from environment and heat body accumulation.
650 $aAgroforestry
650 $aAnimal comfort
650 $aBeef cattle
650 $aEnvironmental monitoring
650 $aGeostatistics
650 $aShade agroforestry systems
650 $aThermography
650 $aThermoregulation
650 $aAgrossilvicultura
650 $aGado de Corte
653 $aThermal comfort indices
700 1 $aMIYAGI, E. S.
700 1 $aOLIVEIRA, C. C. de
700 1 $aMASTELARO, A. P.
700 1 $aCOELHO, F. de A.
700 1 $aSILVA, G. B. S. da
700 1 $aBUNGENSTAB, D. J.
700 1 $aALVES, F. V.
773 $tJournal of Thermal Biology$gv. 97, article 102871, 2021.
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Registro original: |
Embrapa Meio Ambiente (CNPMA) |
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Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
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Registro Completo
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
08/06/2005 |
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Data da última atualização: |
29/11/2016 |
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Tipo da produção científica: |
Boletim de Pesquisa e Desenvolvimento |
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Autoria: |
GONÇALVES, C. A.; RODRIGUES FILHO, J. A.; CAMARÃO, A. P.; DUTRA, S. |
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Afiliação: |
CARLOS ALBERTO GONÇALVES, CPATU; JOSE ADERITO RODRIGUES FILHO, CPATU; ARI PINHEIRO CAMARÃO, CPATU; SATURNINO DUTRA, CPATU. |
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Título: |
Desaleitamento precoce e convencional de bezerras de origem leiteira no nordeste paraense. |
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Ano de publicação: |
2003 |
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Fonte/Imprenta: |
Belém, PA: Embrapa Amazônia Oriental, 2003. |
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Páginas: |
13 p. |
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Série: |
(Embrapa Amazônia Oriental. Boletim de pesquisa e desenvolvimento, 21). |
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Idioma: |
Português |
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Conteúdo: |
O desaleitamento precoce, adaptado para a mesorregião do Nordeste Paraense (R$102,83/bezerras), propicou excelente desenvolcimentoponderal das bezesrras, com peso final de 355kg, aos 24 meses de idade. O desaleitamento convencional também proporcionaou exceleente desencolcimento ponderal (248 kg aos 24 meses), porém o custo de alimentação, na fase de leitamento, foi bastante elevado. |
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Palavras-Chave: |
Brasil; Pará; Região Nordeste; Suplementação alimentar; Terra Alta. |
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Thesagro: |
Bezerro Leiteiro; Comportamento Animal; Desmama Precoce; Nutrição Animal; Produção Animal. |
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Thesaurus NAL: |
Amazonia. |
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Categoria do assunto: |
--
L Ciência Animal e Produtos de Origem Animal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/48943/1/Boletim-PD-21-AMAZ-ORIENTAL.pdf
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Marc: |
LEADER 01282nam a2200301 a 4500
001 1406836
005 2016-11-29
008 2003 bl uuuu u0uu1 u #d
100 1 $aGONÇALVES, C. A.
245 $aDesaleitamento precoce e convencional de bezerras de origem leiteira no nordeste paraense.
260 $aBelém, PA: Embrapa Amazônia Oriental$c2003
300 $a13 p.
490 $a(Embrapa Amazônia Oriental. Boletim de pesquisa e desenvolvimento, 21).
520 $aO desaleitamento precoce, adaptado para a mesorregião do Nordeste Paraense (R$102,83/bezerras), propicou excelente desenvolcimentoponderal das bezesrras, com peso final de 355kg, aos 24 meses de idade. O desaleitamento convencional também proporcionaou exceleente desencolcimento ponderal (248 kg aos 24 meses), porém o custo de alimentação, na fase de leitamento, foi bastante elevado.
650 $aAmazonia
650 $aBezerro Leiteiro
650 $aComportamento Animal
650 $aDesmama Precoce
650 $aNutrição Animal
650 $aProdução Animal
653 $aBrasil
653 $aPará
653 $aRegião Nordeste
653 $aSuplementação alimentar
653 $aTerra Alta
700 1 $aRODRIGUES FILHO, J. A.
700 1 $aCAMARÃO, A. P.
700 1 $aDUTRA, S.
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Registro original: |
Embrapa Amazônia Oriental (CPATU) |
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