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Registro Completo |
Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
Data corrente: |
16/11/2021 |
Data da última atualização: |
24/10/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
FAÇANHA, D. A. E.; FERREIRA, J.; SILVEIRA, R. M. F.; MORAIS, F. X.; MEDEIROS, C. C. de; FACO, O.; SOUSA, J. E. R. de; PAULA, V. V. de. |
Afiliação: |
DÉBORA ANDRÉA EVANGELISTA FAÇANHA, Luiz de Queiroz College of Agriculture, University of São Paulo (USP) - Piracicaba, SP, Brazil; JOSIEL FERREIRA, Luiz de Queiroz College of Agriculture, University of São Paulo (USP) - Piracicaba, SP, Brazil; ROBSON MATEUS FREITAS SILVEIRA, Luiz de Queiroz College of Agriculture, University of São Paulo (USP) - Piracicaba, SP, Brazil; FABRÍCIO XAVIER MORAIS, Luiz de Queiroz College of Agriculture, University of São Paulo (USP) - Piracicaba, SP, Brazil; CHROMÁCIO CALAFANGE DE MEDEIROS, Luiz de Queiroz College of Agriculture, University of São Paulo (USP) - Piracicaba, SP, Brazil; OLIVARDO FACO, CNPC; JOSÉ ERNANDES RUFINO DE SOUSA, Luiz de Queiroz College of Agriculture, University of São Paulo (USP) - Piracicaba, SP, Brazil; VALÉRIA VERAS DE PAULA, Luiz de Queiroz College of Agriculture, University of São Paulo (USP) - Piracicaba, SP, Brazil. |
Título: |
Thermoregulatory responses, and acid-base and electrolytic balance of indigenous ewes of different coat colour in an equatorial semi-arid region. |
Ano de publicação: |
2021 |
Fonte/Imprenta: |
Animal Production Science, v. 61, n. 1, p. 121-130, Oct. 2021. |
DOI: |
https://doi.org/10.1071/AN20321 |
Idioma: |
Inglês |
Conteúdo: |
Abstract: Context: Animal husbandry in thermally stressful environments can be both complex and difficult, and the anticipated effects of climate change are expected to increase this condition. Aim: Thermoregulatory responses, and acid-base and electrolytic balance were evaluated in indigenous ewes of different coat colour during different moments of natural heat stress. Methods: Fifteen ewes of different colour (white, red and black; five of each) were used and data were collected for six consecutive weeks in the dry and rainy periods at three times of the day [(Moment 1) 0500 hours to 0600 hours; (Moment 2) 1200 hours to 1300 hours; and (Moment 3) 1700 hours to 1800 hours)]. Thermoregulatory (clinical measures), acid?base and electrolytic variables (blood examinations) were recorded. Air temperature and relative humidity were measured, and the radiant heat load was calculated. Key results: Black ewes showed higher averages of respiratory rate (RR) and rectal temperature (RT). RT was different between before and after heat stress for all ewes, while the RR was not affected and cutaneous evaporation presented minor variations. Between 1200 hours and 1300 hours, there was an increase in the hydrogen potential, oxygen pressure, oxygen saturation and total carbon concentration averages, and a decrease in partial pressure of carbon dioxide for all ewes. The base excess was not significantly different for each time of the day between the periods, and were not affected by the time of the day or the season. White ewes were highly affected by the time of the day and the period regarding electrolytic parameters, followed by the red ewes and black ewes. The first two discriminant functions showed that ewes, regardless of coat colour, show similarity in the animal responses at Moments 1 and 3, compared with Moment 2. RT was the main variable that distinguished the three genetic groups. Conclusions: Indigenous ewes of different coat colour recover physiological equilibrium after heat challenges. These adjustments enable them to maintain thermoregulatory responses, and acid?base and electrolytic balance within the physiological equilibrium. Implications: These variations indicated the ability of Brazilian indigenous ewes of different coat colour to recover thermoregulatory, and acid?base and electrolytic balance after an environmentally challenging condition in an equatorial semi-arid region, regardless of the period. MenosAbstract: Context: Animal husbandry in thermally stressful environments can be both complex and difficult, and the anticipated effects of climate change are expected to increase this condition. Aim: Thermoregulatory responses, and acid-base and electrolytic balance were evaluated in indigenous ewes of different coat colour during different moments of natural heat stress. Methods: Fifteen ewes of different colour (white, red and black; five of each) were used and data were collected for six consecutive weeks in the dry and rainy periods at three times of the day [(Moment 1) 0500 hours to 0600 hours; (Moment 2) 1200 hours to 1300 hours; and (Moment 3) 1700 hours to 1800 hours)]. Thermoregulatory (clinical measures), acid?base and electrolytic variables (blood examinations) were recorded. Air temperature and relative humidity were measured, and the radiant heat load was calculated. Key results: Black ewes showed higher averages of respiratory rate (RR) and rectal temperature (RT). RT was different between before and after heat stress for all ewes, while the RR was not affected and cutaneous evaporation presented minor variations. Between 1200 hours and 1300 hours, there was an increase in the hydrogen potential, oxygen pressure, oxygen saturation and total carbon concentration averages, and a decrease in partial pressure of carbon dioxide for all ewes. The base excess was not significantly different for each time of the day between the periods, and were not affected by the time... Mostrar Tudo |
Palavras-Chave: |
Morada Nova; Morada Nova (sheep breeds); Semi-arid environment; Thermal biology. |
Thesagro: |
Ovelha; Ovino. |
Thesaurus Nal: |
Animal adaptation; Blood chemistry; Blood gases; Brazil; Ewes; Heat shock response; Heat stress; Indigenous species; Multivariate analysis; Physiological response; Sheep; Thermal stress. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
Marc: |
LEADER 03734naa a2200433 a 4500 001 2136145 005 2023-10-24 008 2021 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1071/AN20321$2DOI 100 1 $aFAÇANHA, D. A. E. 245 $aThermoregulatory responses, and acid-base and electrolytic balance of indigenous ewes of different coat colour in an equatorial semi-arid region.$h[electronic resource] 260 $c2021 520 $aAbstract: Context: Animal husbandry in thermally stressful environments can be both complex and difficult, and the anticipated effects of climate change are expected to increase this condition. Aim: Thermoregulatory responses, and acid-base and electrolytic balance were evaluated in indigenous ewes of different coat colour during different moments of natural heat stress. Methods: Fifteen ewes of different colour (white, red and black; five of each) were used and data were collected for six consecutive weeks in the dry and rainy periods at three times of the day [(Moment 1) 0500 hours to 0600 hours; (Moment 2) 1200 hours to 1300 hours; and (Moment 3) 1700 hours to 1800 hours)]. Thermoregulatory (clinical measures), acid?base and electrolytic variables (blood examinations) were recorded. Air temperature and relative humidity were measured, and the radiant heat load was calculated. Key results: Black ewes showed higher averages of respiratory rate (RR) and rectal temperature (RT). RT was different between before and after heat stress for all ewes, while the RR was not affected and cutaneous evaporation presented minor variations. Between 1200 hours and 1300 hours, there was an increase in the hydrogen potential, oxygen pressure, oxygen saturation and total carbon concentration averages, and a decrease in partial pressure of carbon dioxide for all ewes. The base excess was not significantly different for each time of the day between the periods, and were not affected by the time of the day or the season. White ewes were highly affected by the time of the day and the period regarding electrolytic parameters, followed by the red ewes and black ewes. The first two discriminant functions showed that ewes, regardless of coat colour, show similarity in the animal responses at Moments 1 and 3, compared with Moment 2. RT was the main variable that distinguished the three genetic groups. Conclusions: Indigenous ewes of different coat colour recover physiological equilibrium after heat challenges. These adjustments enable them to maintain thermoregulatory responses, and acid?base and electrolytic balance within the physiological equilibrium. Implications: These variations indicated the ability of Brazilian indigenous ewes of different coat colour to recover thermoregulatory, and acid?base and electrolytic balance after an environmentally challenging condition in an equatorial semi-arid region, regardless of the period. 650 $aAnimal adaptation 650 $aBlood chemistry 650 $aBlood gases 650 $aBrazil 650 $aEwes 650 $aHeat shock response 650 $aHeat stress 650 $aIndigenous species 650 $aMultivariate analysis 650 $aPhysiological response 650 $aSheep 650 $aThermal stress 650 $aOvelha 650 $aOvino 653 $aMorada Nova 653 $aMorada Nova (sheep breeds) 653 $aSemi-arid environment 653 $aThermal biology 700 1 $aFERREIRA, J. 700 1 $aSILVEIRA, R. M. F. 700 1 $aMORAIS, F. X. 700 1 $aMEDEIROS, C. C. de 700 1 $aFACO, O. 700 1 $aSOUSA, J. E. R. de 700 1 $aPAULA, V. V. de 773 $tAnimal Production Science$gv. 61, n. 1, p. 121-130, Oct. 2021.
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Registros recuperados : 41 | |
1. |  | MACHADO, R. L.; COSTA, J. R.; CARVALHO, D. F. de. Freqüência, probabilidade de ocorrência e análise multivariada da erosividade das chuvas para os diferentes padrões de precipitação no estado do Rio de Janeiro e erodibilidade de um argissolo vermelho-amarelo em Seropédica, RJ. In: FÓRUM DE PÓS-GRADUAÇÃO DA UNIVERSIDADE FEDERAL RURAL DO RIO DE JANEIRO, 2., 2007, Seropédica, RJ. Anais... Seropédica: Editora da UFRRJ, 2007. 1 p. 1 CD-ROM. Parcerias: UFRRJ.Tipo: Resumo em Anais de Congresso | Circulação/Nível: -- - -- |
Biblioteca(s): Embrapa Agrobiologia. |
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2. |  | MACHADO, R. L.; PINTO, M. F.; GOMES, D. P.; COSTA, J. R.; CARVALHO, D. F. de. Análise multivariada dos atributos físicos das chuvas erosivas e índices de erosividade em Ribeirão das Lajes, RJ. In: REUNIÃO BRASILEIRA DE MANEJO E CONSERVAÇÃO DO SOLO E DA ÁGUA, 17., 2008, Rio de Janeiro. Manejo e conservação do solo e da água no contexto das mudanças ambientais. Rio de Janeiro: SBCS: Embrapa Solos: Embrapa Agrobiologia, 2008. 3 p. 1 CD-ROM. (Embrapa Solos. Documentos, 101). Parceria: UFRRJ.Tipo: Artigo em Anais de Congresso / Nota Técnica |
Biblioteca(s): Embrapa Agrobiologia. |
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3. |  | PANACHUKI, E.; ALVES SOBRINHO, T.; VITORINO, A. C. T.; CARVALHO, D. F. de; URCHEI, M. A. Avaliação da infiltração de água no solo, em sistema de integração agricultura-pecuária, com uso de infiltrômetro de aspersão portátil. Acta Scientiarum, Agronomy, v. 28, n. 1, p. 1-54, jan./march, 2006.Tipo: Artigo em Periódico Indexado | Circulação/Nível: Nacional - A |
Biblioteca(s): Embrapa Agropecuária Oeste. |
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6. |  | PINTO, M. F.; GOMES, D. P.; MACHADO, R. L.; COSTA, J. R.; CARVALHO, D. F. de. Correlação dos atributos das chuvas erosivas em Ribeirão das Lajes-RJ, utilizando análise multivariada. In: JORNADA DE INICIAÇÃO CIENTÍFICA DA UFRRJ, 17., 2007, Seropédica, RJ. Anais... Seropédica: Editora da UFRRJ, 2007. 2 p. 1 CD-ROM. Parcerias: UFRRJ.Tipo: Resumo em Anais de Congresso | Circulação/Nível: -- - -- |
Biblioteca(s): Embrapa Agrobiologia. |
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8. |  | PANACHUKI, E.; ALVES SOBRINHO, T.; VITORINO, A. C. T.; CARVALHO, D. F. de; URCHEI, M. A. Parâmetros físicos do solo e erosão hídrica sob chuva simulada, em área de integração agricultura-pecuária. Revista Brasileira de Engenharia Agrícola e Ambiental, v. 10, n. 2, p. 261-268, abril./ jun. 2006.Biblioteca(s): Embrapa Agropecuária Oeste. |
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10. |  | CARVALHO, D. F. de; ROCHA, H. S. da; BONOMO, R.; SOUZA, A. P. de. Estimativa da evapotranspiração de referência a partir de dados meteorológicos limitados. PESQUISA AGROPECUÁRIA BRASILEIRA, Brasília, DF, v. 50, n. 1, p.1-11, jan., 2015. Título em inglês: Estimating reference evapotranspiration with limited meteorological data.Biblioteca(s): Embrapa Unidades Centrais. |
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12. |  | PINTO, M. F.; GOMES, D. P.; MACHADO, R. L.; COSTA, J. R.; CARVALHO, D. F. de. Lâmina precipitada e duração das chuvas em função dos diferentes padrões de precipitação na região de Ribeirão das Lajes, RJ. In: JORNADA DE INICIAÇÃO CIENTÍFICA DA UFRRJ, 17., 2007, Seropédica, RJ. Anais... Seropédica: Editora da UFRRJ, 2007. 2 p. 1 CD-ROM. Parcerias: UFRRJ.Tipo: Resumo em Anais de Congresso | Circulação/Nível: -- - -- |
Biblioteca(s): Embrapa Agrobiologia. |
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13. |  | MORAES, A. G. de L.; CARVALHO, D. F. de; ANTUNES, M. A. H.; CEDDIA, M. B. Relationship between remote sensing data and field-observed interril erosion. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 53, n. 3, p.332-342, mar. 2018. Título em português: Relação entre dados de sensoriamento remoto e perdas de solo em entressulcos observadas em campo.Biblioteca(s): Embrapa Unidades Centrais. |
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16. |  | OLIVEIRA, J. R. de; PINTO, M. F.; SOUZA, W. de J.; GUERRA, J. G. M.; CARVALHO, D. F. de. Erosão hídrica em um argissolo vermelho-amarelo, sob diferentes padrões de chuva simulada. Revista Brasileira de Engenharia Agrícola e Ambiental, v.14, n.2, p.140?147, jan., 2010.Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
Biblioteca(s): Embrapa Agrobiologia. |
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17. |  | ALMEIDA, W. S. de; CARVALHO, D. F. de; PANACHUKI, E.; VALIM, W. C.; RODRIGUES, S. A.; VARELLA, A. A. Erosão hídrica em diferentes sistemas de cultivo e níveis de cobertura do solo. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 51, n. 9, p. 1110-1119, set. 2016. Título em inglês: Hydraulic erosion in different tillage systems and soil cover.Biblioteca(s): Embrapa Unidades Centrais. |
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Registros recuperados : 41 | |
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