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 | Acesso ao texto completo restrito à biblioteca da Embrapa Caprinos e Ovinos. Para informações adicionais entre em contato com cnpc.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
16/11/2021 |
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Data da última atualização: |
24/10/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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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. |
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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. |
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Título: |
Thermoregulatory responses, and acid-base and electrolytic balance of indigenous ewes of different coat colour in an equatorial semi-arid region. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Animal Production Science, v. 61, n. 1, p. 121-130, Oct. 2021. |
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DOI: |
https://doi.org/10.1071/AN20321 |
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Idioma: |
Inglês |
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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 |
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Palavras-Chave: |
Morada Nova; Morada Nova (sheep breeds); Semi-arid environment; Thermal biology. |
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Thesagro: |
Ovelha; Ovino. |
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Thesaurus Nal: |
Animal adaptation; Blood chemistry; Blood gases; Brazil; Ewes; Heat shock response; Heat stress; Indigenous species; Multivariate analysis; Physiological response; Sheep; Thermal stress. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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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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Embrapa Caprinos e Ovinos (CNPC) |
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Registro Completo
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Biblioteca(s): |
Embrapa Meio-Norte. |
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Data corrente: |
12/11/2009 |
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Data da última atualização: |
05/09/2023 |
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Tipo da produção científica: |
Artigo de Divulgação na Mídia |
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Autoria: |
SOUZA, V. A. B. de; CARVALHO, M. G. de; SANTOS, K. S.; FERREIRA, C. da S. |
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Afiliação: |
VALDOMIRO AURELIO BARBOSA DE SOUZA, CPAMN; MICHELLE GARCÊZ DE CARVALHO, FCF/USP; KLEBER SILVA SANTOS, CCBS/UESPI; CLEMILTON DA SILVA FERREIRA, UFPI. |
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Título: |
Características físicas de frutos e amêndoas e características químico-nutricionais de amêndoas de acessos de sapucaia. |
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Ano de publicação: |
2009 |
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Fonte/Imprenta: |
Toda Fruta. Disponível em: . Acesso em: 25 maio 2009. |
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Idioma: |
Português |
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Conteúdo: |
O objetivo deste trabalho foi avaliar a variabilidade fenotípica entre acessos de sapucaia para características físicas de frutos e amêndoas e características químico-nutricionais de amêndoas, para fins de uso em futuros trabalhos de melhoramento genético. Os frutos foram colhidos no estádio de pré-maturação e mantidos em temperatura ambiente por cerca de uma semana para completar a maturação. As seguintes características físicas e químico-nutricionais foram analisadas: peso médio de fruto, diâmetro longitudinal, diâmetro equatorial, relação diâmetro longitudinal/diâmetro equatorial do fruto, diâmetro da tampa, peso médio de amêndoa, comprimento da amêndoa, diâmetro da amêndoa, relação comprimento/diâmetro da amêndoa, número de amêndoas/fruto, energia, gordura, proteína bruta, cinzas e minerais. Os dados foram submetidos à análise de variância, e as médias dos acessos, comparadas pelo teste de Scott-Knott a 5%. Houve diferenças estatísticas entre os acessos para as características avaliadas, exceto gordura e proteína bruta. Observou-se grande variabilidade fenotípica no germoplasma analisado, indicando que essa variabilidade pode servir de base inicial para futuros trabalhos de melhoramento genético. |
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Palavras-Chave: |
Fruta nativa. |
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Thesagro: |
Lecythis Pisonis; Recurso Genético. |
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Categoria do assunto: |
G Melhoramento Genético |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/574569/1/23711-2.pdf
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Marc: |
LEADER 01933nam a2200181 a 4500
001 1574569
005 2023-09-05
008 2009 bl uuuu u00u1 u #d
100 1 $aSOUZA, V. A. B. de
245 $aCaracterísticas físicas de frutos e amêndoas e características químico-nutricionais de amêndoas de acessos de sapucaia.
260 $aToda Fruta. Disponível em: <http://www.todafruta.com.br/todafruta/mostra_conteudo.asp?conteudo=19225>. Acesso em: 25 maio 2009.$c2009
520 $aO objetivo deste trabalho foi avaliar a variabilidade fenotípica entre acessos de sapucaia para características físicas de frutos e amêndoas e características químico-nutricionais de amêndoas, para fins de uso em futuros trabalhos de melhoramento genético. Os frutos foram colhidos no estádio de pré-maturação e mantidos em temperatura ambiente por cerca de uma semana para completar a maturação. As seguintes características físicas e químico-nutricionais foram analisadas: peso médio de fruto, diâmetro longitudinal, diâmetro equatorial, relação diâmetro longitudinal/diâmetro equatorial do fruto, diâmetro da tampa, peso médio de amêndoa, comprimento da amêndoa, diâmetro da amêndoa, relação comprimento/diâmetro da amêndoa, número de amêndoas/fruto, energia, gordura, proteína bruta, cinzas e minerais. Os dados foram submetidos à análise de variância, e as médias dos acessos, comparadas pelo teste de Scott-Knott a 5%. Houve diferenças estatísticas entre os acessos para as características avaliadas, exceto gordura e proteína bruta. Observou-se grande variabilidade fenotípica no germoplasma analisado, indicando que essa variabilidade pode servir de base inicial para futuros trabalhos de melhoramento genético.
650 $aLecythis Pisonis
650 $aRecurso Genético
653 $aFruta nativa
700 1 $aCARVALHO, M. G. de
700 1 $aSANTOS, K. S.
700 1 $aFERREIRA, C. da S.
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