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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
01/08/1992 |
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Data da última atualização: |
01/08/1992 |
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Autoria: |
KIRMSE, R. D.; PROVENZA, F. D.; MALECHEK, J. C. |
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Título: |
Clearcutting brazilian semiarid tropics: observations on its effects on small ruminant nutrition during the dry season. |
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Edição: |
5 |
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Ano de publicação: |
1987 |
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Fonte/Imprenta: |
Journal of Range Management, v.40, n.5, p.428-432, 1987. |
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Idioma: |
Inglês |
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Conteúdo: |
Small ruminant production in northeast Brazil is limited by ( prolonged nutritional stress during the dry season. Our study assessed the effects of clearcutting woody vegetation on the nutrition of goats and sheep during the initial dry season following a ciearing. Dry matter intake (g eday.l) was higher for animaIs on (cleared than on uncleared areas (818 vs. 627; P<0.05). Extrusa a from esophageally fistulated animaIs grazing cleared, as opposed f to uncleared, areas was more digestible (52 vs. 47%; P<0.05), was c similar in crude protein (7.1 vs. 7.1%; P>0.05), and was lower in r neutral detergent fiber (49 vs. 51%; P<0.05) and lignin (14 vs. 16%; P<0.05). Intake and diet quality declined on both cleared and uncleared areas as forage availability declined. AnimaIs on cleared areas benefitted from increased availability of herbs and of biomass from palatable trees that coppiced and retained green leaves throughout much of the dry season. AnimaIs on uncleared areas relied heavily on lest lifter from trees, which provided a poorer quality, but persistent, source of forage throughout the dry season.
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Palavras-Chave: |
Brasil; Coppice; Deferred grazing; Disponiblidade; Estacao seca; Leaf litter; Nordeste; Semiarid tropics. |
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Thesagro: |
Caprino; Consumo; Dieta; Ovino; Pastejo. |
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Thesaurus Nal: |
clearcutting; dry season; goats; nutrition; sheep. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02075naa a2200373 a 4500
001 1516491
005 1992-08-01
008 1987 bl uuuu u00u1 u #d
100 1 $aKIRMSE, R. D.
245 $aClearcutting brazilian semiarid tropics$bobservations on its effects on small ruminant nutrition during the dry season.
250 $a5
260 $c1987
520 $aSmall ruminant production in northeast Brazil is limited by ( prolonged nutritional stress during the dry season. Our study assessed the effects of clearcutting woody vegetation on the nutrition of goats and sheep during the initial dry season following a ciearing. Dry matter intake (g eday.l) was higher for animaIs on (cleared than on uncleared areas (818 vs. 627; P<0.05). Extrusa a from esophageally fistulated animaIs grazing cleared, as opposed f to uncleared, areas was more digestible (52 vs. 47%; P<0.05), was c similar in crude protein (7.1 vs. 7.1%; P>0.05), and was lower in r neutral detergent fiber (49 vs. 51%; P<0.05) and lignin (14 vs. 16%; P<0.05). Intake and diet quality declined on both cleared and uncleared areas as forage availability declined. AnimaIs on cleared areas benefitted from increased availability of herbs and of biomass from palatable trees that coppiced and retained green leaves throughout much of the dry season. AnimaIs on uncleared areas relied heavily on lest lifter from trees, which provided a poorer quality, but persistent, source of forage throughout the dry season.
650 $aclearcutting
650 $adry season
650 $agoats
650 $anutrition
650 $asheep
650 $aCaprino
650 $aConsumo
650 $aDieta
650 $aOvino
650 $aPastejo
653 $aBrasil
653 $aCoppice
653 $aDeferred grazing
653 $aDisponiblidade
653 $aEstacao seca
653 $aLeaf litter
653 $aNordeste
653 $aSemiarid tropics
700 1 $aPROVENZA, F. D.
700 1 $aMALECHEK, J. C.
773 $tJournal of Range Management$gv.40, n.5, p.428-432, 1987.
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Embrapa Caprinos e Ovinos (CNPC) |
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