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Registro Completo |
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Biblioteca(s): |
Embrapa Agrossilvipastoril. |
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Data corrente: |
19/01/2018 |
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Data da última atualização: |
07/02/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SOUZA, A. S. S.; MATARAZZO, S. V.; MONTEIRO, R. A. C.; TOLEDO, L. M. de. |
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Afiliação: |
LUIZ ANTÔNIO SANTANA SOUZA, UESC-IHEUS; SORAIA VANESSA MATARAZZO, UESC-ILHEUS; ROBERTA APARECIDA C MONTEIRO, CPAMT; LUCIANDRA MACEDO DE TOLEDO, INSTITUTO DE ZOOTECNIA-NOVA ODESSA. |
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Título: |
Physiological and behavioral responses of dairy heifers in an integrated-crop-livestock-forestry system. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
African Journal of Agricultural Research, v. 12, n. 15, p. 1278-1285, 2017. |
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ISSN: |
1991-637X |
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DOI: |
http://dx.doi.org/10.5897/AJAR2016.11918 |
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Idioma: |
Inglês |
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Conteúdo: |
The integrated crop-livestock-forestry system has been an option in tropics to mitigate the effects of heat stress on pasture-based system for dairy cows. We evaluate the effects of shade arrangements in integrated crop-livestock-forestry systems on physiological and behavioral responses of crossbred dairy heifers. Twenty-four crossbred European-Zebu heifers with 330.0±36.7 kg of body weight were assigned in three treatments: no shade, partial shade or total shade. Air temperature (34.4°C), black globe temperature (41.6°C), temperature humidity index (84) and heat load index (98) were higher (P<0.05) for the No shade treatment. Higher values of respiratory rate (99 mov.min-1) and skin temperature (38.1°C) were also found for the no shade treatment. Shade availability affected the grazing time (U = 246.5, P<0.05). Heifers spent 10% more time in pasture on shade treatments. No difference was found on time spent in rumination, drinking or walking on shade treatments. Shade provision was an efficient strategy to reduce respiratory rate and skin temperature as well as to increase grazing time in integrated crop-livestock-forestry system. |
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Thesaurus Nal: |
Cattle; Dairy heifers; Eucalyptus; Heat stress; Integrated agricultural systems; Pastures; Shade. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 01978naa a2200265 a 4500
001 2085938
005 2018-02-07
008 2017 bl uuuu u00u1 u #d
022 $a1991-637X
024 7 $ahttp://dx.doi.org/10.5897/AJAR2016.11918$2DOI
100 1 $aSOUZA, A. S. S.
245 $aPhysiological and behavioral responses of dairy heifers in an integrated-crop-livestock-forestry system.$h[electronic resource]
260 $c2017
520 $aThe integrated crop-livestock-forestry system has been an option in tropics to mitigate the effects of heat stress on pasture-based system for dairy cows. We evaluate the effects of shade arrangements in integrated crop-livestock-forestry systems on physiological and behavioral responses of crossbred dairy heifers. Twenty-four crossbred European-Zebu heifers with 330.0±36.7 kg of body weight were assigned in three treatments: no shade, partial shade or total shade. Air temperature (34.4°C), black globe temperature (41.6°C), temperature humidity index (84) and heat load index (98) were higher (P<0.05) for the No shade treatment. Higher values of respiratory rate (99 mov.min-1) and skin temperature (38.1°C) were also found for the no shade treatment. Shade availability affected the grazing time (U = 246.5, P<0.05). Heifers spent 10% more time in pasture on shade treatments. No difference was found on time spent in rumination, drinking or walking on shade treatments. Shade provision was an efficient strategy to reduce respiratory rate and skin temperature as well as to increase grazing time in integrated crop-livestock-forestry system.
650 $aCattle
650 $aDairy heifers
650 $aEucalyptus
650 $aHeat stress
650 $aIntegrated agricultural systems
650 $aPastures
650 $aShade
700 1 $aMATARAZZO, S. V.
700 1 $aMONTEIRO, R. A. C.
700 1 $aTOLEDO, L. M. de
773 $tAfrican Journal of Agricultural Research$gv. 12, n. 15, p. 1278-1285, 2017.
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Embrapa Agrossilvipastoril (CPAMT) |
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| 6. |  | SILVA, S. de O. e. Variedades de bananeira. In: SEMANA INTERNACIONAL DA FRUTICULTURA, FLORICULTURA E AGROINDÚSTRIA, 14., 2007. Frutal 2007: agronegócio e responsabilidade social [anais]. Fortaleza: Instituto Frutal, 2007.| Tipo: Artigo em Anais de Congresso / Nota Técnica |
| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 11. | | FUKUDA, W. M. G.; SILVA, S. de O. e. Melhoramento de mandioca no Brasil. In: CEREDA, M. P. (Coord.). Agricultura: tuberosas amiláceas Latino Americanas. São Paulo: Fundação Cargill, 2002. p. 242-257. (Culturas de Tuberosas Amiláceas Latino Americanas, 2). 2 v. p. 242-257 (Cultura de Tuberosas Amiláceas Latino Americanas, 2).| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 12. | | SILVA, S. de O. e; CORDEIRO, Z. J. M. O desenvolvimento da bananicultura. In: ALBUQUERQUE, A. C. S.; SILVA, A. G. da. (Ed.). Agricultura tropical: quatro décadas de inovações tecnológicas, institucionais e políticas. Brasília, DF: Embrapa Informação Tecnológica, 2008. p. 335-340.| Tipo: Capítulo em Livro Técnico-Científico |
| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| Registros recuperados : 436 | |
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