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 | Acesso ao texto completo restrito à biblioteca da Embrapa Caprinos e Ovinos. Para informações adicionais entre em contato com cnpc.biblioteca@embrapa.br. |
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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: |
10/07/2023 |
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Autoria: |
CROOKER, B. A.; SNIFFEN, C. J.; HOOVER, W. H.; JOHNSON, L. L. |
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Título: |
Solvents for soluble nitrogen measurements in feedstuffs. |
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Ano de publicação: |
1978 |
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Fonte/Imprenta: |
Journal of Dairy Science, v. 61, n. 4, p. 437-447, Apr. 1978. |
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DOI: |
https://doi.org/10.3168/jds.S0022-0302(78)83618-2 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: An improved procedure and a new extraction apparatus for determining soluble nitrogen in feedstuffs are presented. This equipment was used to compare the quantity of nitrogen extracted from seven feedstuffs by several mineral solvents and autoclaved rumen fluid. The quantity of nitrogen extracted by either a modified Burroughs mineral mixture of McDougal's artificial saliva differed from that extracted by autoclaved rumen fluid, whereas that extracted by either Burroughs mineral mixture or by sodium chloride solutions did not. Within solvents, the effects of ionic strength (.11, .15, and .19) and ionic species were studied. Changing the ionic strength of the solvents had no significant effect on the quantity of nitrogen extracted. There were several feed-solvent interactions, suggesting that ionic species contained in the solvent have an important effect on nitrogen extractions. Soluble nitrogen values of six feedstuffs obtained with each mineral solvent were correlated with free ammonia values from incubating each feedstuff with an 80% viable rumen fluid-20% McDougal's artificial saliva solution. Relationships were not consistent. |
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Palavras-Chave: |
Nutricao proteica. |
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Thesagro: |
Ruminante. |
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Thesaurus Nal: |
Feeds; Proteins; Ruminant nutrition. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 01830naa a2200229 a 4500
001 1523727
005 2023-07-10
008 1978 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.3168/jds.S0022-0302(78)83618-2$2DOI
100 1 $aCROOKER, B. A.
245 $aSolvents for soluble nitrogen measurements in feedstuffs.$h[electronic resource]
260 $c1978
520 $aAbstract: An improved procedure and a new extraction apparatus for determining soluble nitrogen in feedstuffs are presented. This equipment was used to compare the quantity of nitrogen extracted from seven feedstuffs by several mineral solvents and autoclaved rumen fluid. The quantity of nitrogen extracted by either a modified Burroughs mineral mixture of McDougal's artificial saliva differed from that extracted by autoclaved rumen fluid, whereas that extracted by either Burroughs mineral mixture or by sodium chloride solutions did not. Within solvents, the effects of ionic strength (.11, .15, and .19) and ionic species were studied. Changing the ionic strength of the solvents had no significant effect on the quantity of nitrogen extracted. There were several feed-solvent interactions, suggesting that ionic species contained in the solvent have an important effect on nitrogen extractions. Soluble nitrogen values of six feedstuffs obtained with each mineral solvent were correlated with free ammonia values from incubating each feedstuff with an 80% viable rumen fluid-20% McDougal's artificial saliva solution. Relationships were not consistent.
650 $aFeeds
650 $aProteins
650 $aRuminant nutrition
650 $aRuminante
653 $aNutricao proteica
700 1 $aSNIFFEN, C. J.
700 1 $aHOOVER, W. H.
700 1 $aJOHNSON, L. L.
773 $tJournal of Dairy Science$gv. 61, n. 4, p. 437-447, Apr. 1978.
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