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Registro Completo |
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Biblioteca(s): |
Embrapa Suínos e Aves. |
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Data corrente: |
04/11/2020 |
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Data da última atualização: |
05/11/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
BAENA, M. M.; COSTA, A. C.; VIEIRA, G. R.; ROCHA, R. de F. B.; RIBEIRO, A. R. B.; IBELLI, A. M. G.; MEIRELLES, S. L. C. |
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Afiliação: |
MARIELLE MOURA BAENA, UFL; ADRIANO CARVALHO COSTA, UFG; GABRIELA RODRIGUES VIEIRA, UFL; RENATA DE FÁTIMA BRETANHA ROCHA, UFL; ANDREA ROBERTO BUENO RIBEIRO, FMU; ADRIANA MERCIA GUARATINI IBELLI, CNPSA; SARAH LAGUNA CONCEIÇÃO MEIRELLES, UFL. |
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Título: |
Heat tolerance responses in a Bos Taurus cattle herd raised in a Brazilian climate. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Journal of Thermal Biology, v. 81, p. 162-169, 2019. |
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DOI: |
https://doi.org/10.1016/j.jtherbio.2019.02.017 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Knowledge of thermoregulatory responses in taurine cattle contribute to identification of animals most adapted to heat and productive when raised under Brazilian climate. The objectives were to verify the morphological and physiological responses related to adaptation to heat of taurine breeds raised under in Brazilian meteorological conditions in different seasons of the year and day periods, and to detect differences within and between breeds to know breed is most adapted. Measurements were made of 74 young bulls (n=31 Angus; n=43 Simmental) for the morphological traits: hair length (HL), number of hairs (NH), and coat thickness (CT); and for the physiological traits: respiratory rate (RR) and hair coat surface temperature (ST). The temperature-humidity index (THI) was calculated. The data were subjected to analyses of variance, cluster analysis, and principal component analysis (PCA). The THI (< 74) indicates thermal comfort. In the winter, the HL and CT higher than in the spring season (P < 0.0001) in both breeds. Angus exhibited higher HL and CT (P < 0.0001). Within each breed, the animals differed from one another for HL (P < 0.0005). In the spring, CT was similar between the breeds, differing only in the winter season. Angus had higher values (P < 0.0005) of RR and lower values (P < 0.0001) of ST. Both breeds had higher (P < 0.0001) RR and ST in the afternoon. PCA showed that NH and HL better explained variation in adaptation. In general, the breeds have similar morphological responses in the hottest months, but have different physiological responses; Simmental proves to be more physiologically resistant. The afternoon was more stressful than the morning, even though the animals were in a thermal comfort zone. Measuring traits related to hair coat is sufficient for effective evaluation of adaptation, and the season affects the morphological and physiological traits of taurine cattle raised. MenosAbstract: Knowledge of thermoregulatory responses in taurine cattle contribute to identification of animals most adapted to heat and productive when raised under Brazilian climate. The objectives were to verify the morphological and physiological responses related to adaptation to heat of taurine breeds raised under in Brazilian meteorological conditions in different seasons of the year and day periods, and to detect differences within and between breeds to know breed is most adapted. Measurements were made of 74 young bulls (n=31 Angus; n=43 Simmental) for the morphological traits: hair length (HL), number of hairs (NH), and coat thickness (CT); and for the physiological traits: respiratory rate (RR) and hair coat surface temperature (ST). The temperature-humidity index (THI) was calculated. The data were subjected to analyses of variance, cluster analysis, and principal component analysis (PCA). The THI (< 74) indicates thermal comfort. In the winter, the HL and CT higher than in the spring season (P < 0.0001) in both breeds. Angus exhibited higher HL and CT (P < 0.0001). Within each breed, the animals differed from one another for HL (P < 0.0005). In the spring, CT was similar between the breeds, differing only in the winter season. Angus had higher values (P < 0.0005) of RR and lower values (P < 0.0001) of ST. Both breeds had higher (P < 0.0001) RR and ST in the afternoon. PCA showed that NH and HL better explained variation in adaptation. In general, the breeds have sim... Mostrar Tudo |
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Palavras-Chave: |
Adaptabilidade; Adaptability; Qualidade da carcaça; Taurine cattle; Tropical weather. |
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Thesagro: |
Bos Taurus; Clima Tropical; Genética Animal; Pecuária; Produção Animal; Termorregulação. |
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Thesaurus Nal: |
Brazil; Carcass quality; Cattle production; Livestock; Thermoregulation. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 03095naa a2200397 a 4500
001 2126309
005 2020-11-05
008 2019 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.jtherbio.2019.02.017$2DOI
100 1 $aBAENA, M. M.
245 $aHeat tolerance responses in a Bos Taurus cattle herd raised in a Brazilian climate.$h[electronic resource]
260 $c2019
520 $aAbstract: Knowledge of thermoregulatory responses in taurine cattle contribute to identification of animals most adapted to heat and productive when raised under Brazilian climate. The objectives were to verify the morphological and physiological responses related to adaptation to heat of taurine breeds raised under in Brazilian meteorological conditions in different seasons of the year and day periods, and to detect differences within and between breeds to know breed is most adapted. Measurements were made of 74 young bulls (n=31 Angus; n=43 Simmental) for the morphological traits: hair length (HL), number of hairs (NH), and coat thickness (CT); and for the physiological traits: respiratory rate (RR) and hair coat surface temperature (ST). The temperature-humidity index (THI) was calculated. The data were subjected to analyses of variance, cluster analysis, and principal component analysis (PCA). The THI (< 74) indicates thermal comfort. In the winter, the HL and CT higher than in the spring season (P < 0.0001) in both breeds. Angus exhibited higher HL and CT (P < 0.0001). Within each breed, the animals differed from one another for HL (P < 0.0005). In the spring, CT was similar between the breeds, differing only in the winter season. Angus had higher values (P < 0.0005) of RR and lower values (P < 0.0001) of ST. Both breeds had higher (P < 0.0001) RR and ST in the afternoon. PCA showed that NH and HL better explained variation in adaptation. In general, the breeds have similar morphological responses in the hottest months, but have different physiological responses; Simmental proves to be more physiologically resistant. The afternoon was more stressful than the morning, even though the animals were in a thermal comfort zone. Measuring traits related to hair coat is sufficient for effective evaluation of adaptation, and the season affects the morphological and physiological traits of taurine cattle raised.
650 $aBrazil
650 $aCarcass quality
650 $aCattle production
650 $aLivestock
650 $aThermoregulation
650 $aBos Taurus
650 $aClima Tropical
650 $aGenética Animal
650 $aPecuária
650 $aProdução Animal
650 $aTermorregulação
653 $aAdaptabilidade
653 $aAdaptability
653 $aQualidade da carcaça
653 $aTaurine cattle
653 $aTropical weather
700 1 $aCOSTA, A. C.
700 1 $aVIEIRA, G. R.
700 1 $aROCHA, R. de F. B.
700 1 $aRIBEIRO, A. R. B.
700 1 $aIBELLI, A. M. G.
700 1 $aMEIRELLES, S. L. C.
773 $tJournal of Thermal Biology$gv. 81, p. 162-169, 2019.
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Registro original: |
Embrapa Suínos e Aves (CNPSA) |
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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 Soja. |
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Data corrente: |
30/08/2016 |
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Data da última atualização: |
21/02/2017 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
FRANCHINI, J. C.; PRUSKI, F. F.; ARAUJO, R.; DEBIASI, H.; BALBINOT JUNIOR, A. A.; CONTE, O.; SANTOS, E. L. |
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Afiliação: |
JULIO CEZAR FRANCHINI DOS SANTOS, CNPSO; UFV; Empresário Rural; HENRIQUE DEBIASI, CNPSO; ALVADI ANTONIO BALBINOT JUNIOR, CNPSO; OSMAR CONTE, CNPSO; UNIFIL. |
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Título: |
Avaliação do sistema de terraços após manutenção e readequação em uma fazenda na região norte do Paraná. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
In: REUNIÃO DE PESQUISA DE SOJA, 35., Londrina, 2016. Resumos expandidos... Londrina: Embrapa Soja, 2016. |
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Páginas: |
p. 52-54. |
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Série: |
(Embrapa Soja. Documentos, 372). |
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Idioma: |
Português |
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Thesagro: |
Conservação do solo; Solo. |
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Thesaurus NAL: |
Soil conservation. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/146896/1/RPS2016-52-54.pdf
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Marc: |
LEADER 00756nam a2200229 a 4500
001 2052064
005 2017-02-21
008 2016 bl uuuu u00u1 u #d
100 1 $aFRANCHINI, J. C.
245 $aAvaliação do sistema de terraços após manutenção e readequação em uma fazenda na região norte do Paraná.
260 $aIn: REUNIÃO DE PESQUISA DE SOJA, 35., Londrina, 2016. Resumos expandidos... Londrina: Embrapa Soja$c2016
300 $ap. 52-54.
490 $a(Embrapa Soja. Documentos, 372).
650 $aSoil conservation
650 $aConservação do solo
650 $aSolo
700 1 $aPRUSKI, F. F.
700 1 $aARAUJO, R.
700 1 $aDEBIASI, H.
700 1 $aBALBINOT JUNIOR, A. A.
700 1 $aCONTE, O.
700 1 $aSANTOS, E. L.
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Embrapa Soja (CNPSO) |
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