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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
29/01/2019 |
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Data da última atualização: |
29/01/2019 |
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Autoria: |
ROBLES, A. Y.; BELYEA, R. L.; MARTZ, F. A.; WEISS, M. F.; MAUS, R. W. |
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Título: |
Intake, digestibility, ruminal characteristics and rate of passage of orchardgrass diets fed to sheep. |
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Ano de publicação: |
1981 |
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Fonte/Imprenta: |
Journal of Animal Science, v. 53, n. 2, p. 489-493, Aug. 1981. |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Four orchardgrass diets ranging in cell wall content from 60 to 78% were fed to sheep, and relationships among intake, digestion, passage and ruminal measurements were determined. As cell wall concentration increased, dry matter intake, digestible energy intake, dry matter digestibility and excretion rate decreased, while cell wall intake rumen volume, rumen cell wall and retention time increased. Indigestible cell wall intake was similar with each diet. It appeared that as digestible energy intake decreased, the sheep attempted to adapt by increasing ruminal ingesta volume, increasing ruminal ingesta cell wall and decreasing rate of passage; as cell wall concentration increased, indigestible cell wall limitation was manifested in decreased levels of feed and energy intake. Rate and extent of digestion appeared to be related to indigestible cell wall and appeared to be key factors in the control of cell wall turnover and feed intake. |
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Palavras-Chave: |
Eating. |
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Thesagro: |
Rúmen. |
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Thesaurus Nal: |
Animal feeders; Animal physiology; Digestion; Poaceae; Sheep. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 01644naa a2200253 a 4500
001 2104960
005 2019-01-29
008 1981 bl uuuu u00u1 u #d
100 1 $aROBLES, A. Y.
245 $aIntake, digestibility, ruminal characteristics and rate of passage of orchardgrass diets fed to sheep.
260 $c1981
520 $aAbstract: Four orchardgrass diets ranging in cell wall content from 60 to 78% were fed to sheep, and relationships among intake, digestion, passage and ruminal measurements were determined. As cell wall concentration increased, dry matter intake, digestible energy intake, dry matter digestibility and excretion rate decreased, while cell wall intake rumen volume, rumen cell wall and retention time increased. Indigestible cell wall intake was similar with each diet. It appeared that as digestible energy intake decreased, the sheep attempted to adapt by increasing ruminal ingesta volume, increasing ruminal ingesta cell wall and decreasing rate of passage; as cell wall concentration increased, indigestible cell wall limitation was manifested in decreased levels of feed and energy intake. Rate and extent of digestion appeared to be related to indigestible cell wall and appeared to be key factors in the control of cell wall turnover and feed intake.
650 $aAnimal feeders
650 $aAnimal physiology
650 $aDigestion
650 $aPoaceae
650 $aSheep
650 $aRúmen
653 $aEating
700 1 $aBELYEA, R. L.
700 1 $aMARTZ, F. A.
700 1 $aWEISS, M. F.
700 1 $aMAUS, R. W.
773 $tJournal of Animal Science$gv. 53, n. 2, p. 489-493, Aug. 1981.
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Embrapa Caprinos e Ovinos (CNPC) |
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| 1. |  | WEISS, M.; ANZILIERO, D.; MARTINS, M.; WEIBLEN, R.; FLORES, E. F. Safety and immunogenicity of a glycoprotein E gene-deleted bovine herpesvirus 1 strain as a candidate vaccine strain. Pesquisa Veterinária Brasileira, Rio de Janeiro, v. 36, n. 11, p. 1067-1074, nov. 2016.| Biblioteca(s): Embrapa Unidades Centrais. |
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