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| 1. |  | OSS, D. B.; MARCONDES, M. I.; MACHADO, F. S.; TOMICH, T. R.; PEREIRA, L. G. R.; CAMPOS, M. M.; CASTRO, M. M. D.; SILVA, T. E.; TRECE, A. S.; GUERRA, R. F. O.; GODINHO JR, E. C.; COSTA, G. P.; MACHADO, A. F.; LOBO, C. F.; PROVAZI, F. P. Estimates of energy requirements for maintenance and gain of Holstein x Gyr crossbred yearling bulls using comparative slaughter and respiration chambers techniques. In: SIMPÓSIO NACIONAL DE BOVINOCULTURA LEITEIRA - SIMLEITE, 5.; SIMPÓSIO INTERNACIONAL DE BOVINOCULTURA LEITEIRA, 3., 2015, Viçosa, MG. Anais... Viçosa: UFV, 2015. p. 333-336.| Biblioteca(s): Embrapa Gado de Leite. |
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| Registros recuperados : 1 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Gado de Leite. |
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Data corrente: |
29/02/2016 |
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Data da última atualização: |
19/06/2024 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
OSS, D. B.; MARCONDES, M. I.; MACHADO, F. S.; TOMICH, T. R.; PEREIRA, L. G. R.; CAMPOS, M. M.; CASTRO, M. M. D.; SILVA, T. E.; TRECE, A. S.; GUERRA, R. F. O.; GODINHO JR, E. C.; COSTA, G. P.; MACHADO, A. F.; LOBO, C. F.; PROVAZI, F. P. |
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Afiliação: |
FERNANDA SAMARINI MACHADO, CNPGL; THIERRY RIBEIRO TOMICH, CNPGL; LUIZ GUSTAVO RIBEIRO PEREIRA, CNPGL; MARIANA MAGALHAES CAMPOS, CNPGL. |
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Título: |
Estimates of energy requirements for maintenance and gain of Holstein x Gyr crossbred yearling bulls using comparative slaughter and respiration chambers techniques. |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
In: SIMPÓSIO NACIONAL DE BOVINOCULTURA LEITEIRA - SIMLEITE, 5.; SIMPÓSIO INTERNACIONAL DE BOVINOCULTURA LEITEIRA, 3., 2015, Viçosa, MG. Anais... Viçosa: UFV, 2015. |
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Páginas: |
p. 333-336. |
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Idioma: |
Português |
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Conteúdo: |
Brazil has its own nutrient requirement system for cattle; however, information about crossbred cattle is little due to the database being constituted of zebu cattle in general. Regarding energy requirements, different techniques are available to measure the retained energy (RE) of animals and then estimate the requirements. Comparative slaughter (CS) and respiration chambers (RC) are two of them. Each one has its specific advantages and disadvantages. The CS is able to measure RE directly, but it is very laborious and precludes the use of animals of high commercial value. On the other hand, RC prevents the slaughter of animals but it precludes the use of grazing ruminants and it is very expensive. The objective of this study was to compare the estimates of energy requirements for maintenance and gain of Holstein × Gyr crossbred yearling bulls using CS and RC techniques. |
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Palavras-Chave: |
Crossbred cattle. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1039096/1/Estimates-of-energy-requirements-for-maintenance-and-gain-of-Holstein.pdf
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Marc: |
LEADER 01934nam a2200301 a 4500
001 2039096
005 2024-06-19
008 2015 bl uuuu u00u1 u #d
100 1 $aOSS, D. B.
245 $aEstimates of energy requirements for maintenance and gain of Holstein x Gyr crossbred yearling bulls using comparative slaughter and respiration chambers techniques.$h[electronic resource]
260 $aIn: SIMPÓSIO NACIONAL DE BOVINOCULTURA LEITEIRA - SIMLEITE, 5.; SIMPÓSIO INTERNACIONAL DE BOVINOCULTURA LEITEIRA, 3., 2015, Viçosa, MG. Anais... Viçosa: UFV$c2015
300 $ap. 333-336.
520 $aBrazil has its own nutrient requirement system for cattle; however, information about crossbred cattle is little due to the database being constituted of zebu cattle in general. Regarding energy requirements, different techniques are available to measure the retained energy (RE) of animals and then estimate the requirements. Comparative slaughter (CS) and respiration chambers (RC) are two of them. Each one has its specific advantages and disadvantages. The CS is able to measure RE directly, but it is very laborious and precludes the use of animals of high commercial value. On the other hand, RC prevents the slaughter of animals but it precludes the use of grazing ruminants and it is very expensive. The objective of this study was to compare the estimates of energy requirements for maintenance and gain of Holstein × Gyr crossbred yearling bulls using CS and RC techniques.
653 $aCrossbred cattle
700 1 $aMARCONDES, M. I.
700 1 $aMACHADO, F. S.
700 1 $aTOMICH, T. R.
700 1 $aPEREIRA, L. G. R.
700 1 $aCAMPOS, M. M.
700 1 $aCASTRO, M. M. D.
700 1 $aSILVA, T. E.
700 1 $aTRECE, A. S.
700 1 $aGUERRA, R. F. O.
700 1 $aGODINHO JR, E. C.
700 1 $aCOSTA, G. P.
700 1 $aMACHADO, A. F.
700 1 $aLOBO, C. F.
700 1 $aPROVAZI, F. P.
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Registro original: |
Embrapa Gado de Leite (CNPGL) |
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