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 | Acesso ao texto completo restrito à biblioteca da Embrapa Gado de Leite. Para informações adicionais entre em contato com cnpgl.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Gado de Leite. |
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Data corrente: |
11/08/2021 |
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Data da última atualização: |
29/12/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
STUMPF, M. T.; MCMANUS, C. M.; DALTRO, D. S.; ALFONZO, E. P. M.; DALCIN, V.; KOLLING, G. J.; VIEIRA, R. A.; LOUVANDINI, H.; FISCHER, V.; SILVA, M. V. G. B. |
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Afiliação: |
MARCELO T. STUMPF, Universidade Federal do Rio Grande do Sul; Universidade de Brasília; Universidade Federal do Rio Grande do Sul; Universidade Federal do Rio Grande do Sul; Universidade Federal do Rio Grande do Sul; Universidade Federal do Rio Grande do Sul; Universidade de Brasília; Universidade de São Paulo; Universidade Federal do Rio Grande do Sul; MARCOS VINICIUS GUALBERTO B SILVA, CNPGL. |
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Título: |
Different methods of assessing udder temperature through thermography and their relation with rectal temperature. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Tropical Animal Health and Production, v. 53, article 44, 2021. |
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DOI: |
https://doi.org/10.1007/s11250-020-02435-y |
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Idioma: |
Inglês |
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Conteúdo: |
Infrared thermography of the lateral side portion of the udder was taken from 38 lactating cows in a 6-day experiment. Thermograms were analyzed using specific software with the use of eight different methods. The experiment was aimed at correlating the different methods with each other and with rectal temperature (RT), in order to suggest a method to assess udder side temperature, and also at creating regression equations to enable RT calculation through the use of thermographic data. All methods of analyzing thermograms were highly correlated; correlations between thermograms and RT were significant (P < 0.01) and above 0.840. The highest correlation was between RT and the maximum temperature obtained using a horizontal rectangle placed within the lateral (side) portion of the udder (maximum temperature in a horizontal rectangle (MHR), 0.897). With the exception of the average temperature of a horizontal rectangle, linear regression coefficients were significant (P < 0.05) and coefficients of determination were higher than 75.51%. We suggest the use of MHR to evaluate udder side temperature. The ease of accessing the side of the udder, the welfare advantages of non-invasive observations, and the high correlation with RT suggest the use of thermograms in the lateral portion of the udder to assess animals? temperature. |
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Palavras-Chave: |
Análise de correlação; Correlation analysis; Infrared thermography; Rectal temperature; Regression equations; Temperatura retal; Termografia infravermelha; Udder side. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02399naa a2200337 a 4500
001 2133468
005 2021-12-29
008 2021 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1007/s11250-020-02435-y$2DOI
100 1 $aSTUMPF, M. T.
245 $aDifferent methods of assessing udder temperature through thermography and their relation with rectal temperature.$h[electronic resource]
260 $c2021
520 $aInfrared thermography of the lateral side portion of the udder was taken from 38 lactating cows in a 6-day experiment. Thermograms were analyzed using specific software with the use of eight different methods. The experiment was aimed at correlating the different methods with each other and with rectal temperature (RT), in order to suggest a method to assess udder side temperature, and also at creating regression equations to enable RT calculation through the use of thermographic data. All methods of analyzing thermograms were highly correlated; correlations between thermograms and RT were significant (P < 0.01) and above 0.840. The highest correlation was between RT and the maximum temperature obtained using a horizontal rectangle placed within the lateral (side) portion of the udder (maximum temperature in a horizontal rectangle (MHR), 0.897). With the exception of the average temperature of a horizontal rectangle, linear regression coefficients were significant (P < 0.05) and coefficients of determination were higher than 75.51%. We suggest the use of MHR to evaluate udder side temperature. The ease of accessing the side of the udder, the welfare advantages of non-invasive observations, and the high correlation with RT suggest the use of thermograms in the lateral portion of the udder to assess animals? temperature.
653 $aAnálise de correlação
653 $aCorrelation analysis
653 $aInfrared thermography
653 $aRectal temperature
653 $aRegression equations
653 $aTemperatura retal
653 $aTermografia infravermelha
653 $aUdder side
700 1 $aMCMANUS, C. M.
700 1 $aDALTRO, D. S.
700 1 $aALFONZO, E. P. M.
700 1 $aDALCIN, V.
700 1 $aKOLLING, G. J.
700 1 $aVIEIRA, R. A.
700 1 $aLOUVANDINI, H.
700 1 $aFISCHER, V.
700 1 $aSILVA, M. V. G. B.
773 $tTropical Animal Health and Production$gv. 53, article 44, 2021.
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