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Registro Completo
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
13/09/2017 |
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Data da última atualização: |
13/09/2017 |
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Autoria: |
MISSIO, R. L.; ALEXANDRINO, E.; SILVA, D. P. da; PAULA NETO, J. J. de; REZENDE, J. M. de; SILVA, A. A. M.; SILVA, D. V. da. |
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Afiliação: |
Regis Luis Missio, Universidade Tecnológica Federal do Paraná/Departamento de Agronomia; Emerson Alexandrino, Universidade Federal do Tocantins/Escola de Medicina Veterinária e Zootecnia; Darlene Pereira da Silva, Universidade Federal do Tocantins/Escola de Medicina Veterinária e Zootecnia; Joaquim José de Paula Neto, Universidade Federal do Tocantins/Escola de Medicina Veterinária e Zootecnia; José Messias de Rezende, Universidade Federal do Tocantins/Escola de Medicina Veterinária e Zootecnia; André Augusto Marinho Silva, Universidade Federal do Tocantins/Escola de Medicina Veterinária e Zootecnia; Denise Vieira da Silva, Universidade Federal do Tocantins/Escola de Medicina Veterinária e Zootecnia. |
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Título: |
Productive performance of confined young bulls fed proportions of 'Mulato II' grass silage in the diet. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, DF, v. 52, n. 8, p. 670-678, fev. 2017. |
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Idioma: |
Inglês |
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Notas: |
Título em português: Desempenho produtivo de tourinhos confinados e alimentados com proporções de silagem de capim 'Mulato II' na dieta. |
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Conteúdo: |
The objective of this work was to evaluate the performance of young Nellore bulls and of young dual-purpose dairy bulls fed proportions of 'Mulato II' grass silage (400 and 100 g kg-1), in diets with high levels of concentrate, as well as to evaluate the cost of this feed. Sixteen young Nellore bulls and 16 young dairy crossbred bulls were used, with initial average weight of 380.69±10.45 and 376.94±17.16 kg, respectively, and average initial age of 24 months. A completely randomized experimental design was carried out in a 2x2 factorial arrangement. The highest silage proportion caused a 13% increase in dry matter intake (percentage of body weight) and a 19.7% decrease in dry matter digestibility of the diet, but it did not alter the intake of total digestible nutrients, nor the average daily gain or carcass characteristics. Nutrient intake and digestibility, average daily gain, and carcass characteristics (except conformation) did not change due to the genetic group of animals. Feed conversion was 18.3% better in young dairy bulls. In diets with high levels of concentrate, the proportion of 400 g kg-1 of 'Mulato II' grass silage, in comparison with that of 100 g kg-1, does not affect the productive performance, nor the main carcass characteristics of economic interest of confined young bulls, but reduces feeding costs. |
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Palavras-Chave: |
Espessura de gordura; Forage hybrid; Forrageira híbrida; Peso de carcaça; Subcutaneous fat thickness. |
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Thesagro: |
Brachiaria; Ganho de peso. |
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Thesaurus NAL: |
Carcass weight; Urochloa; Weight gain. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/163774/1/Productive-performance-of-confined.pdf
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Marc: |
LEADER 02432naa a2200325 a 4500
001 2075541
005 2017-09-13
008 2017 bl uuuu u00u1 u #d
100 1 $aMISSIO, R. L.
245 $aProductive performance of confined young bulls fed proportions of 'Mulato II' grass silage in the diet.
260 $c2017
500 $aTítulo em português: Desempenho produtivo de tourinhos confinados e alimentados com proporções de silagem de capim 'Mulato II' na dieta.
520 $aThe objective of this work was to evaluate the performance of young Nellore bulls and of young dual-purpose dairy bulls fed proportions of 'Mulato II' grass silage (400 and 100 g kg-1), in diets with high levels of concentrate, as well as to evaluate the cost of this feed. Sixteen young Nellore bulls and 16 young dairy crossbred bulls were used, with initial average weight of 380.69±10.45 and 376.94±17.16 kg, respectively, and average initial age of 24 months. A completely randomized experimental design was carried out in a 2x2 factorial arrangement. The highest silage proportion caused a 13% increase in dry matter intake (percentage of body weight) and a 19.7% decrease in dry matter digestibility of the diet, but it did not alter the intake of total digestible nutrients, nor the average daily gain or carcass characteristics. Nutrient intake and digestibility, average daily gain, and carcass characteristics (except conformation) did not change due to the genetic group of animals. Feed conversion was 18.3% better in young dairy bulls. In diets with high levels of concentrate, the proportion of 400 g kg-1 of 'Mulato II' grass silage, in comparison with that of 100 g kg-1, does not affect the productive performance, nor the main carcass characteristics of economic interest of confined young bulls, but reduces feeding costs.
650 $aCarcass weight
650 $aUrochloa
650 $aWeight gain
650 $aBrachiaria
650 $aGanho de peso
653 $aEspessura de gordura
653 $aForage hybrid
653 $aForrageira híbrida
653 $aPeso de carcaça
653 $aSubcutaneous fat thickness
700 1 $aALEXANDRINO, E.
700 1 $aSILVA, D. P. da
700 1 $aPAULA NETO, J. J. de
700 1 $aREZENDE, J. M. de
700 1 $aSILVA, A. A. M.
700 1 $aSILVA, D. V. da
773 $tPesquisa Agropecuária Brasileira, Brasília, DF$gv. 52, n. 8, p. 670-678, fev. 2017.
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Embrapa Unidades Centrais (AI-SEDE) |
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