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Registro Completo |
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
24/07/1995 |
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Data da última atualização: |
21/08/2013 |
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Autoria: |
CRAMPTON, E. W.; DONEFER, E.; LLOYD, L. E. |
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Título: |
A nutritive value index for forages. |
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Ano de publicação: |
1960 |
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Fonte/Imprenta: |
Journal of Dairy Science, v.19, p.538-544, 1960. |
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Idioma: |
Inglês |
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Conteúdo: |
This paper presents data on the voluntary consumption by sheep of various weights of nine forages that differed in feeding value either because of species of plant or because of stage of maturity when harvested. Digestibility was also measured for each forage, and live weight changes of the sheep recorded. It was found that by computing intake per unit of the metabolic size of the sheep, a description of voluntary intake was obtained that was independent of body weight of sheep (r2 = 0.058). The intake of early bloom, chopped, dehydrated legume forage per unit (Wkg.75) was found to be 80+-10 gm. per sheep per day. Such forages was designated Standard Forage and the quantity, 80 (Wkf.75), given an arbitrary numerical rating of 100. The relative intake, RI, of other forages was then computed. Relative intake of forages multiplied by the percent digestibility of their energy gave figures that were correlated with feeding values as indicated by gain of the sheep fed. The correlations were of the order of r = 0.88 to 0.94. It was proposed therefore that relative Intake of a forage x its percent energy digestibility be used as a Nutritive Value Index. It is also proposed that this Index can be predicted from in vitro fermentation. |
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Thesagro: |
Carneiro; Digestibilidade; Forragem; Valor Nutritivo. |
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Thesaurus Nal: |
digestibility; forage; nutritive value; sheep. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01832naa a2200241 a 4500
001 1784921
005 2013-08-21
008 1960 bl --- 0-- u #d
100 1 $aCRAMPTON, E. W.
245 $aA nutritive value index for forages.
260 $c1960
520 $aThis paper presents data on the voluntary consumption by sheep of various weights of nine forages that differed in feeding value either because of species of plant or because of stage of maturity when harvested. Digestibility was also measured for each forage, and live weight changes of the sheep recorded. It was found that by computing intake per unit of the metabolic size of the sheep, a description of voluntary intake was obtained that was independent of body weight of sheep (r2 = 0.058). The intake of early bloom, chopped, dehydrated legume forage per unit (Wkg.75) was found to be 80+-10 gm. per sheep per day. Such forages was designated Standard Forage and the quantity, 80 (Wkf.75), given an arbitrary numerical rating of 100. The relative intake, RI, of other forages was then computed. Relative intake of forages multiplied by the percent digestibility of their energy gave figures that were correlated with feeding values as indicated by gain of the sheep fed. The correlations were of the order of r = 0.88 to 0.94. It was proposed therefore that relative Intake of a forage x its percent energy digestibility be used as a Nutritive Value Index. It is also proposed that this Index can be predicted from in vitro fermentation.
650 $adigestibility
650 $aforage
650 $anutritive value
650 $asheep
650 $aCarneiro
650 $aDigestibilidade
650 $aForragem
650 $aValor Nutritivo
700 1 $aDONEFER, E.
700 1 $aLLOYD, L. E.
773 $tJournal of Dairy Science$gv.19, p.538-544, 1960.
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Registro original: |
Embrapa Pantanal (CPAP) |
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