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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
08/10/2008 |
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Data da última atualização: |
13/11/2023 |
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Autoria: |
SPARKS, D. R.; MALECHEK, J. C. |
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Afiliação: |
Graduate Research Assistant, Range Science Department, Colorado State University, Fort Collins. |
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Título: |
Estimating percentage dry weight in dies using a microscopic technique. |
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Ano de publicação: |
1968 |
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Fonte/Imprenta: |
Journal of Range Management, v. 21, n. 4, p. 264-265, 1968. |
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Idioma: |
Inglês |
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Conteúdo: |
Percent composition by dry weight was accurately estimated for 15 mixtures of plants that are found in the diets of some herbivores. The mixtures were sampled by recording the frequency of occurrence of each species in 100 microscope fields using 125-power magnification, converting frequency to density, and calculating relative density as an estimate of percent composition by dry weight. Dry weight percentages were predicted directly from relative density. The microscopic technique reported in this paper would be an accurate means of determining the dry-weight composition of stomach samples, esophageal samples, rumen samples, and clipped herbage. |
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Palavras-Chave: |
Calculo de porcentagem; Dry weight; Estimating percentage; Herbivore; Herbivoro Peso seco; Microscopic technique; Tecnica microscopica. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 01304naa a2200217 a 4500
001 1533790
005 2023-11-13
008 1968 bl uuuu u00u1 u #d
100 1 $aSPARKS, D. R.
245 $aEstimating percentage dry weight in dies using a microscopic technique.$h[electronic resource]
260 $c1968
520 $aPercent composition by dry weight was accurately estimated for 15 mixtures of plants that are found in the diets of some herbivores. The mixtures were sampled by recording the frequency of occurrence of each species in 100 microscope fields using 125-power magnification, converting frequency to density, and calculating relative density as an estimate of percent composition by dry weight. Dry weight percentages were predicted directly from relative density. The microscopic technique reported in this paper would be an accurate means of determining the dry-weight composition of stomach samples, esophageal samples, rumen samples, and clipped herbage.
653 $aCalculo de porcentagem
653 $aDry weight
653 $aEstimating percentage
653 $aHerbivore
653 $aHerbivoro Peso seco
653 $aMicroscopic technique
653 $aTecnica microscopica
700 1 $aMALECHEK, J. C.
773 $tJournal of Range Management$gv. 21, n. 4, p. 264-265, 1968.
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