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Registro Completo |
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
06/08/2012 |
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Data da última atualização: |
15/08/2017 |
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Autoria: |
RIBEIRO FILHO, H. M. N.; PEYRAUD, J.; DELAGARD, R. |
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Afiliação: |
HENRIQUE MENDONÇA NUNES RIBEIRO FILHO, Universidade do Estado de Santa Catarina; JEAN-LOUIS PEYRAUD, Institut National de la Recherche Agronomique/INRA; RÉMY DELAGARD, Institut National de la Recherche Agronomique/INRA. |
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Título: |
Foraging behavior and ruminal fermentation of dairy cows grazing ryegrass pasture alone or with white clover. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Pesquisa Agropecuaria Brasileira, Brasília, DF, v. 47, n. 3, p. 458-465, mar. 2012. |
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Idioma: |
Inglês |
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Notas: |
Título em português: Comportamento ingestivo e fermentação ruminal em vacas leiteiras em pasto de azevém com e sem trevo branco. |
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Conteúdo: |
The objective of this work was to evaluate the influence of pasture composition and regrowth age on the relationship between feeding behavior and ruminal fermentation in dairy cows grazing perennial ryegrass with or without white clover. The experiment was carried out in a 2x2 factorial arrangement, with two sward types and two ages of regrowth. Swards of perennial ryegrass sown alone (PRG) and of perennial ryegrass mixed with white clover (GC) were evaluated. Twelve late‑lactation Holstein cows, fistulated at the rumen, were distributed in a 4x4 latin square experimental design with four 12‑day periods. Daily distribution of grazing was similar in the PRG and the GC swards, but the concentration of rumen volatile fatty acids (VFA) was higher and the proportion of propionate was lower on mixed swards during the day. Daily distribution of grazing was similar in pastures of different ages. However, in the oldest swards, rumen fluid pH increased and VFA concentration decreased after evening milking. Time spent grazing does not influence ruminal fermentation, which depends on the changes that occur as different sward layers are grazed. |
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Palavras-Chave: |
Grazing time; Tempo de pastejo. |
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Thesagro: |
Azevem; Digestão; Fermentação; Lolium Perenne; Pastejo; Trifolium Repens. |
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Thesaurus Nal: |
Digestion; Grazing. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/63078/1/Foraging-behavior.pdf
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Marc: |
LEADER 02074naa a2200277 a 4500
001 1930587
005 2017-08-15
008 2012 bl uuuu u00u1 u #d
100 1 $aRIBEIRO FILHO, H. M. N.
245 $aForaging behavior and ruminal fermentation of dairy cows grazing ryegrass pasture alone or with white clover.
260 $c2012
500 $aTítulo em português: Comportamento ingestivo e fermentação ruminal em vacas leiteiras em pasto de azevém com e sem trevo branco.
520 $aThe objective of this work was to evaluate the influence of pasture composition and regrowth age on the relationship between feeding behavior and ruminal fermentation in dairy cows grazing perennial ryegrass with or without white clover. The experiment was carried out in a 2x2 factorial arrangement, with two sward types and two ages of regrowth. Swards of perennial ryegrass sown alone (PRG) and of perennial ryegrass mixed with white clover (GC) were evaluated. Twelve late‑lactation Holstein cows, fistulated at the rumen, were distributed in a 4x4 latin square experimental design with four 12‑day periods. Daily distribution of grazing was similar in the PRG and the GC swards, but the concentration of rumen volatile fatty acids (VFA) was higher and the proportion of propionate was lower on mixed swards during the day. Daily distribution of grazing was similar in pastures of different ages. However, in the oldest swards, rumen fluid pH increased and VFA concentration decreased after evening milking. Time spent grazing does not influence ruminal fermentation, which depends on the changes that occur as different sward layers are grazed.
650 $aDigestion
650 $aGrazing
650 $aAzevem
650 $aDigestão
650 $aFermentação
650 $aLolium Perenne
650 $aPastejo
650 $aTrifolium Repens
653 $aGrazing time
653 $aTempo de pastejo
700 1 $aPEYRAUD, J.
700 1 $aDELAGARD, R.
773 $tPesquisa Agropecuaria Brasileira, Brasília, DF$gv. 47, n. 3, p. 458-465, mar. 2012.
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Registro original: |
Embrapa Unidades Centrais (AI-SEDE) |
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Registro Completo
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Biblioteca(s): |
Embrapa Acre. |
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Data corrente: |
09/03/2006 |
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Data da última atualização: |
14/11/2023 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
BARDALES, N. G.; COSTA, J. G. da. |
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Afiliação: |
NILSON GOMES BARDALES, Embrapa Acre; JOAO GOMES DA COSTA, CPAF-AC. |
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Título: |
Efeito do ácido indolbutírico no enraizamento de estacas de cupuaçuzeiro. |
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Ano de publicação: |
1998 |
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Fonte/Imprenta: |
In: SEMINÁRIO DE INICIAÇÃO CIENTÍFICA DA UFAC, 7., 1998, Rio Branco, AC. Anais... Rio Branco: UFAC, 1998. |
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Páginas: |
p. 87. |
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Idioma: |
Português |
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Palavras-Chave: |
ácido indobultírico. |
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Thesagro: |
Cupuaçu. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/164036/1/12746.pdf
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Marc: |
LEADER 00513nam a2200145 a 4500
001 1502992
005 2023-11-14
008 1998 bl uuuu u00u1 u #d
100 1 $aBARDALES, N. G.
245 $aEfeito do ácido indolbutírico no enraizamento de estacas de cupuaçuzeiro.$h[electronic resource]
260 $aIn: SEMINÁRIO DE INICIAÇÃO CIENTÍFICA DA UFAC, 7., 1998, Rio Branco, AC. Anais... Rio Branco: UFAC$c1998
300 $ap. 87.
650 $aCupuaçu
653 $aácido indobultírico
700 1 $aCOSTA, J. G. da
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Embrapa Acre (CPAF-AC) |
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