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 | Acesso ao texto completo restrito à biblioteca da Embrapa Pecuária Sudeste. Para informações adicionais entre em contato com cppse.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
16/11/2017 |
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Data da última atualização: |
15/12/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
PANTOJA, M. H. de A.; ESTEVES, S. N.; JACINTO, M. A. C.; PEZZOPANE, J. R. M.; PAZ, C. C. P. de; SILVA, J. A. R. da; LOURENÇO JUNIOR, J. de B.; BRANDAO, F. Z.; MOURA, A. B. B.; ROMANELLO, N.; BOTTA, D.; GARCIA, A. R. |
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Afiliação: |
Messy Hannear de Andrade Pantoja, UFPA; SERGIO NOVITA ESTEVES, CPPSE; MANUEL ANTONIO CHAGAS JACINTO, CPPSE; JOSE RICARDO MACEDO PEZZOPANE, CPPSE; Cláudia Cristina Paro de Paz, Instituto de Zootecnia; Jamile Andréa Rodrigues da Silva, UFRA; José de Brito Lourenço Junior, UFPA; Felipe Zandonadi Brandão, UFF; Ana Beatriz Bossois Moura, UFF; Narian Romanello, UFPA; Daniela Botta, UFPA; ALEXANDRE ROSSETTO GARCIA, CPPSE. |
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Título: |
Thermoregulation of male sheep of indigenous or exotic breeds in a tropical environment. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Journal of Thermal Biology, v. 69, p. 302-310, 2017. |
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DOI: |
http://dx.doi.org/10.1016/j.jtherbio.2017.09.002 |
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Idioma: |
Inglês |
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Conteúdo: |
Climate change has intensified the frequency of heat waves in the world, thereby exposing farm animals to stressful conditions. For better productive performance it is important to identify the most resilient genotypes. Thus, our objective was to evaluate the thermoregulatory responses of rams of tropical indigenous (Morada Nova and Santa Inês) and exotic breeds (Dorper and Texel), by monitoring the environmental and physiological indicators related to heat tolerance. The experiment was carried out in a tropical climate region (Cwa), in Brazil, for twelve months, which comprised spring, summer, autumn and winter. Thirty-three rams were divided into groups: Morada Nova (MN; n=8, red-coat), Santa Inês (SI; n=9, black-coat), Dorper (DO; n=8, white-coat) and Texel (TX; n=8, white-coat). The microclimatic variables were monitored, and the THI and BGHI comfort indices were calculated. Coat thickness and body surface temperatures were measured monthly, and serum triiodothyronine-T3 measurements and complete blood tests were performed. The physiological variables were evaluated every fifteen days and skin micro-biopsies were performed in the summer and winter for histological evaluation. During the warmer seasons, the THI and BGHI reached values that indicated thermal discomfort. TXshowed higher coat thickness throughout the year, increased physiological variables related to thermolysis, and reduced T3 (P < 0.05). The internal temperature was permanently lower in the MN, SI and DO (P < 0.05). The body surface temperatures were affected by the coat characteristics and wool length. Hematological parameters varied in the seasons with the highest thermal conditions (P < 0.05). The MN showed larger sweat glands, while the area occupied by the sweat glands was higher in the SI. The DO showed higher hair density in the summer and winter (P < 0.05). The results indicated that the MN, SI and DO breeds overcome the thermal challenge more easily throughout the seasons due to specific adaptive morphological and physiological characteristics. MenosClimate change has intensified the frequency of heat waves in the world, thereby exposing farm animals to stressful conditions. For better productive performance it is important to identify the most resilient genotypes. Thus, our objective was to evaluate the thermoregulatory responses of rams of tropical indigenous (Morada Nova and Santa Inês) and exotic breeds (Dorper and Texel), by monitoring the environmental and physiological indicators related to heat tolerance. The experiment was carried out in a tropical climate region (Cwa), in Brazil, for twelve months, which comprised spring, summer, autumn and winter. Thirty-three rams were divided into groups: Morada Nova (MN; n=8, red-coat), Santa Inês (SI; n=9, black-coat), Dorper (DO; n=8, white-coat) and Texel (TX; n=8, white-coat). The microclimatic variables were monitored, and the THI and BGHI comfort indices were calculated. Coat thickness and body surface temperatures were measured monthly, and serum triiodothyronine-T3 measurements and complete blood tests were performed. The physiological variables were evaluated every fifteen days and skin micro-biopsies were performed in the summer and winter for histological evaluation. During the warmer seasons, the THI and BGHI reached values that indicated thermal discomfort. TXshowed higher coat thickness throughout the year, increased physiological variables related to thermolysis, and reduced T3 (P < 0.05). The internal temperature was permanently lower in the MN, SI and DO (... Mostrar Tudo |
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Palavras-Chave: |
ILPF; Infrared thermography. |
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Thesaurus Nal: |
animal welfare; heat stress. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
LEADER 03010naa a2200313 a 4500
001 2079902
005 2023-12-15
008 2017 bl uuuu u00u1 u #d
024 7 $ahttp://dx.doi.org/10.1016/j.jtherbio.2017.09.002$2DOI
100 1 $aPANTOJA, M. H. de A.
245 $aThermoregulation of male sheep of indigenous or exotic breeds in a tropical environment.$h[electronic resource]
260 $c2017
520 $aClimate change has intensified the frequency of heat waves in the world, thereby exposing farm animals to stressful conditions. For better productive performance it is important to identify the most resilient genotypes. Thus, our objective was to evaluate the thermoregulatory responses of rams of tropical indigenous (Morada Nova and Santa Inês) and exotic breeds (Dorper and Texel), by monitoring the environmental and physiological indicators related to heat tolerance. The experiment was carried out in a tropical climate region (Cwa), in Brazil, for twelve months, which comprised spring, summer, autumn and winter. Thirty-three rams were divided into groups: Morada Nova (MN; n=8, red-coat), Santa Inês (SI; n=9, black-coat), Dorper (DO; n=8, white-coat) and Texel (TX; n=8, white-coat). The microclimatic variables were monitored, and the THI and BGHI comfort indices were calculated. Coat thickness and body surface temperatures were measured monthly, and serum triiodothyronine-T3 measurements and complete blood tests were performed. The physiological variables were evaluated every fifteen days and skin micro-biopsies were performed in the summer and winter for histological evaluation. During the warmer seasons, the THI and BGHI reached values that indicated thermal discomfort. TXshowed higher coat thickness throughout the year, increased physiological variables related to thermolysis, and reduced T3 (P < 0.05). The internal temperature was permanently lower in the MN, SI and DO (P < 0.05). The body surface temperatures were affected by the coat characteristics and wool length. Hematological parameters varied in the seasons with the highest thermal conditions (P < 0.05). The MN showed larger sweat glands, while the area occupied by the sweat glands was higher in the SI. The DO showed higher hair density in the summer and winter (P < 0.05). The results indicated that the MN, SI and DO breeds overcome the thermal challenge more easily throughout the seasons due to specific adaptive morphological and physiological characteristics.
650 $aanimal welfare
650 $aheat stress
653 $aILPF
653 $aInfrared thermography
700 1 $aESTEVES, S. N.
700 1 $aJACINTO, M. A. C.
700 1 $aPEZZOPANE, J. R. M.
700 1 $aPAZ, C. C. P. de
700 1 $aSILVA, J. A. R. da
700 1 $aLOURENÇO JUNIOR, J. de B.
700 1 $aBRANDAO, F. Z.
700 1 $aMOURA, A. B. B.
700 1 $aROMANELLO, N.
700 1 $aBOTTA, D.
700 1 $aGARCIA, A. R.
773 $tJournal of Thermal Biology$gv. 69, p. 302-310, 2017.
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Registro original: |
Embrapa Pecuária Sudeste (CPPSE) |
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| Registros recuperados : 12 | |
| 2. |  | PANTOJA, M. H. de A.; MOURA, A. B. B.; ROMANELLO, N.; ESTEVES, S. N.; BARIONI JUNIOR, W.; GARCIA, A. R. Termorregulação de ovinos naturalizados ou exóticos avaliada por termometria de infravermelho em duas estações do ano. In: CONGRESSO DE ZOOTECNIA DE PRECISÃO, 1., 2016, Florianópolis, SC. Anais... Florianópolis, SC: STCAS, 2016. p. 1-7.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 3. | | ROMANELLO, N.; BOTTA, D.; MOURA, A. B. B.; PANTOJA, M. H. de A.; BARRETO, A. do N.; SOUZA, M. A. de P.; VOLANTE, C. A.; GARCIA, A. R. Effect of GnRH on scrotal surface temperature, testicular volume and spern parameters of bulls with poor semen quality. Animal Reproduction, v.15, n.3, p.459, jul./sept. 2018. Edição dos Proceedings of the 32nd Annual Meeting of the Brazilian Embryo Technology Society (SBTE).| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
|  |
| 4. | | MOURA, A. B. B.; PANTOJA, M. H. A.; ROMANELLO, N.; LEMES, A. P.; ESTEVES, S. N.; FONSECA, J. F. da; BRANDÃO, F. Z.; GARCIA, A. R. Correlations between testicular surface temperatures measured by infrared thermography and seminal parameters in rams of distinct genotypic groups. Animal Reproduction, v. 13, n. 3, p. 560, Jul./Sept. 2016. Proceedings of the 30th Annual Meeting of the Brazilian Embryo Technology Society (SBTE); Foz do Iguaçu, PR, Brazil, August 25th to 27th, 2016, and 32nd Meeting of the European Embryo Transfer Association (AETE); Barcelona, Spain,...| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 5. | | MOURA, A. B. B.; BRANDÃO, F. Z.; ESTEVES, S. N.; SOUZA, G. N. de; FONSECA, J. F. da; PANTOJA, M. H. A.; ROMANELLO, N.; BOTTA, D.; GIRO, A.; GARCIA, A. R. Differences in the thermal sensitivity and seminal quality of distinct ovine genotypes raised in tropical conditions. Theriogenology, v.123, p.123-131, 2019.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Caprinos e Ovinos; Embrapa Gado de Leite; Embrapa Pecuária Sudeste. |
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| 6. | | ROMANELLO, N.; LOURENÇO JUNIOR, J. de B.; BARIONI JUNIOR, W.; BRANDÃO, F. Z.; MARCONDES, C. R.; PEZZOPANE, J. R. M.; PANTOJA, M. H. de A.; BOTTA, D.; GIRO, A.; MOURA, A. B. B.; BARRETO, A. do N.; GARCIA, A. R. Thermoregulatory responses and reproductive traits in composite beef bulls raised in a tropical climate. International Journal of Biometeorology, v.62, p.1575-1586, 2018.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 7. | | ALMEIDA, S. F. de C. M. de; SOUZA-FABJAN, J. M. G.; BALARO, M. F. A.; BRAGANÇA, G. M.; PINTO, P. H. N.; ALMEIDA, J. G. de; MOURA, A. B. B.; FONSECA, J. F. da; BRANDÃO, F. Z. Use of two doses of cloprostenol in different intervals for estrus synchronization in hair sheep under tropical conditions. Tropical Animal Health and Production, Edinburgh, v. 50, n. 2, p. 427-432, Feb. 2018.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 8. | | LEMES, A. P.; GIMENES, L. U.; ESTEVES, S. N.; PEDROSO, A. de F.; PEZZOPANE, J. R. M.; MARCONDES, C. R.; GUILARDI, J. H.; MOURA, A. B. B.; PANTOJA, M. H. A.; GARCIA, A. R. Performance, thermal confort and ovarian phisiology of canchim (Bos indicus vs Bos taurus) heifers grazing pastures with and without natural shade: preliminary results. Animal Reproduction, v. 13, n. 3, p. 542, Jul./Sep. 2016.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 9. | | GARCIA, A. R.; MOURA, A. B. B.; ROMANELLO, N.; FONSECA, J. F. da; BRANDÃO, F. Z.; PANTOJA, M. H. de A.; BARRETO, A. do N.; SOUSA, M. A. de P.; BOTTA, D.; GIRO, A. Osmolaridade ideal para execução do teste hiposmótico no sêmen in natura de ovinos (Ovis aries). In: REUNIÃO ANUAL DA ASSOCIAÇÃO BRASILEIRA DE ANDROLOGIA ANIMAL (ABRAA), 4., 2019, Goiânia. Anais... Goiânia: Editora UFMS, 2019. p.160-163. 7 e 8 de junho de 2019.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 10. | | ALMEIDA, J. T. B. de; BARIONI JUNIOR, W.; MOURA, A. B. B.; PANTOJA, M. H. de A.; ROMANELLO, N.; BOTTA, D.; GIRO, A.; BARRETO, A. do N.; GARCIA, A. R. Modelos matemáticos para predição da temperatura interna de reprodutores ovinos, com base no uso da termografia por infravermelho. In: JORNADA CIENTÍFICA DA EMBRAPA SÃO CARLOS, 10., 2018, São Carlos, SP. Anais... São Carlos, SP: Embrapa Instrumentação; Embrapa Pecuária Sudeste, 2018. p. 13. (Embrapa Instrumentação. Documentos, 68). Editores Técnicos: Daniel Souza Corrêa, Elaine Cristina Paris, Maria Alice Martins, Paulino Ribeiro Villas Boas, Wilson Tadeu Lopes da Silva.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 11. | | ROMANELLO, N.; MOURA, A. B. B.; PANTOJA, M. H. de A.; PEREIRA, V. S. do A.; GIRO, A.; BOTTA, D.; MIGUEL, M. C. V.; MARCONDES, C. R.; LOURENÇO JUNIOR, J. de B.; GARCIA, A. R. Scrotal temperature patterns and seminal quality of composite bulls during winter and summer. In: ANNUAL MEETING OF THE BRAZILIAN EMBRYO TECHNOLOGY SOCIETY, 30., 2016, Foz do Iguaçu, PR. Proceedings... Foz do Iguaçu, PR: Animal Reproduction, 2016. p. 559.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 12. | | PANTOJA, M. H. de A.; ESTEVES, S. N.; JACINTO, M. A. C.; PEZZOPANE, J. R. M.; PAZ, C. C. P. de; SILVA, J. A. R. da; LOURENÇO JUNIOR, J. de B.; BRANDAO, F. Z.; MOURA, A. B. B.; ROMANELLO, N.; BOTTA, D.; GARCIA, A. R. Thermoregulation of male sheep of indigenous or exotic breeds in a tropical environment. Journal of Thermal Biology, v. 69, p. 302-310, 2017.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| Registros recuperados : 12 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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