Combinations of starch and nitrogen sources in high and low ruminal degradability evaluated by in situ technique
Autor(a) principal: | |
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Data de Publicação: | 2008 |
Outros Autores: | , , , , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Acta Scientiarum. Animal Sciences (Online) |
Texto Completo: | https://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/4368 |
Resumo: | The objective of this paper was to evaluate the ruminal degradability of four isonitrogenized and isoenergetic concentrates which differed as for starch and nitrogen sources. Three holstein cows with 530kg average weight and fistulated rumen were used in this investigation. The concentrates formulated with starch and nitrogen sources of high ruminal degradability presented higher values of drymatter, crude protein and starch effective degradability (ED) for 2%/h, 5%/h and 8%/h passage rates, but the reverse was also observed for concentrates with starch and nitrogen sources of low ruminal degradability. The concentrates formulated by alternating starch and nitrogen sources of high and low ruminal degradability showed dry matter and protein ED intermediate values. The starch ED was influenced by the starch source independently of the nitrogen source. |
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Acta Scientiarum. Animal Sciences (Online) |
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Combinations of starch and nitrogen sources in high and low ruminal degradability evaluated by in situ techniqueCombinações de fontes de nitrogênio e amido de alta e baixa degradabilidade ruminal avaliadas pela técnica in situamidoconcentradosdegradabilidade ruminalmatéria secanitrogênio5.04.00.00-2 ZootecniaThe objective of this paper was to evaluate the ruminal degradability of four isonitrogenized and isoenergetic concentrates which differed as for starch and nitrogen sources. Three holstein cows with 530kg average weight and fistulated rumen were used in this investigation. The concentrates formulated with starch and nitrogen sources of high ruminal degradability presented higher values of drymatter, crude protein and starch effective degradability (ED) for 2%/h, 5%/h and 8%/h passage rates, but the reverse was also observed for concentrates with starch and nitrogen sources of low ruminal degradability. The concentrates formulated by alternating starch and nitrogen sources of high and low ruminal degradability showed dry matter and protein ED intermediate values. The starch ED was influenced by the starch source independently of the nitrogen source.Este trabalho teve por objetivo avaliar a degradabilidade ruminal de quatro concentrados, os quais diferiam entre si pela diferença na degradação ruminal das fontes de amido e nitrogênio utilizadas. Foram utilizadas três vacas da raça Holandesa, com peso médio de 530kg e portadoras de cânula ruminal. Os concentrados formulados com fonte de amido e nitrogênio de alta degradabilidade ruminal apresentaram maiores valores de degradabilidade efetiva (DE) da matéria seca, proteína bruta e amido para taxas de passagem de 2%/h, 5%/h e 8%/h e o inverso foi observado para os concentrados com fontes de amido e nitrogênio de baixa degradabilidade ruminal. Os concentrados formulados alternando as fontes de amido e de nitrogênio de alta e baixa degradabilidade ruminal apresentaram valores intermediários de DE da matéria seca e da proteína. A DE do amido foi influenciada pela fonte de amido independentemente da fonte de nitrogênio.Editora da Universidade Estadual de Maringá2008-07-16info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/436810.4025/actascianimsci.v20i0.4368Acta Scientiarum. Animal Sciences; Vol 20 (1998); 325-332Acta Scientiarum. Animal Sciences; v. 20 (1998); 325-3321807-86721806-2636reponame:Acta Scientiarum. Animal Sciences (Online)instname:Universidade Estadual de Maringá (UEM)instacron:UEMporhttps://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/4368/2995Zeoula, Lúcia MariaMichelan, Andrea CristianeFregadolli, Fábio LuizDamasceno, Júlio CesarPrado, Ivanor Nunes doFridrich, DanieleMorais, Reinaldo Gomes deinfo:eu-repo/semantics/openAccess2024-05-17T13:03:59Zoai:periodicos.uem.br/ojs:article/4368Revistahttp://www.periodicos.uem.br/ojs/index.php/ActaSciAnimSciPUBhttp://www.periodicos.uem.br/ojs/index.php/ActaSciAnimSci/oaiactaanim@uem.br||actaanim@uem.br|| rev.acta@gmail.com1807-86721806-2636opendoar:2024-05-17T13:03:59Acta Scientiarum. Animal Sciences (Online) - Universidade Estadual de Maringá (UEM)false |
dc.title.none.fl_str_mv |
Combinations of starch and nitrogen sources in high and low ruminal degradability evaluated by in situ technique Combinações de fontes de nitrogênio e amido de alta e baixa degradabilidade ruminal avaliadas pela técnica in situ |
title |
Combinations of starch and nitrogen sources in high and low ruminal degradability evaluated by in situ technique |
spellingShingle |
Combinations of starch and nitrogen sources in high and low ruminal degradability evaluated by in situ technique Zeoula, Lúcia Maria amido concentrados degradabilidade ruminal matéria seca nitrogênio 5.04.00.00-2 Zootecnia |
title_short |
Combinations of starch and nitrogen sources in high and low ruminal degradability evaluated by in situ technique |
title_full |
Combinations of starch and nitrogen sources in high and low ruminal degradability evaluated by in situ technique |
title_fullStr |
Combinations of starch and nitrogen sources in high and low ruminal degradability evaluated by in situ technique |
title_full_unstemmed |
Combinations of starch and nitrogen sources in high and low ruminal degradability evaluated by in situ technique |
title_sort |
Combinations of starch and nitrogen sources in high and low ruminal degradability evaluated by in situ technique |
author |
Zeoula, Lúcia Maria |
author_facet |
Zeoula, Lúcia Maria Michelan, Andrea Cristiane Fregadolli, Fábio Luiz Damasceno, Júlio Cesar Prado, Ivanor Nunes do Fridrich, Daniele Morais, Reinaldo Gomes de |
author_role |
author |
author2 |
Michelan, Andrea Cristiane Fregadolli, Fábio Luiz Damasceno, Júlio Cesar Prado, Ivanor Nunes do Fridrich, Daniele Morais, Reinaldo Gomes de |
author2_role |
author author author author author author |
dc.contributor.author.fl_str_mv |
Zeoula, Lúcia Maria Michelan, Andrea Cristiane Fregadolli, Fábio Luiz Damasceno, Júlio Cesar Prado, Ivanor Nunes do Fridrich, Daniele Morais, Reinaldo Gomes de |
dc.subject.por.fl_str_mv |
amido concentrados degradabilidade ruminal matéria seca nitrogênio 5.04.00.00-2 Zootecnia |
topic |
amido concentrados degradabilidade ruminal matéria seca nitrogênio 5.04.00.00-2 Zootecnia |
description |
The objective of this paper was to evaluate the ruminal degradability of four isonitrogenized and isoenergetic concentrates which differed as for starch and nitrogen sources. Three holstein cows with 530kg average weight and fistulated rumen were used in this investigation. The concentrates formulated with starch and nitrogen sources of high ruminal degradability presented higher values of drymatter, crude protein and starch effective degradability (ED) for 2%/h, 5%/h and 8%/h passage rates, but the reverse was also observed for concentrates with starch and nitrogen sources of low ruminal degradability. The concentrates formulated by alternating starch and nitrogen sources of high and low ruminal degradability showed dry matter and protein ED intermediate values. The starch ED was influenced by the starch source independently of the nitrogen source. |
publishDate |
2008 |
dc.date.none.fl_str_mv |
2008-07-16 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/4368 10.4025/actascianimsci.v20i0.4368 |
url |
https://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/4368 |
identifier_str_mv |
10.4025/actascianimsci.v20i0.4368 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/4368/2995 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Editora da Universidade Estadual de Maringá |
publisher.none.fl_str_mv |
Editora da Universidade Estadual de Maringá |
dc.source.none.fl_str_mv |
Acta Scientiarum. Animal Sciences; Vol 20 (1998); 325-332 Acta Scientiarum. Animal Sciences; v. 20 (1998); 325-332 1807-8672 1806-2636 reponame:Acta Scientiarum. Animal Sciences (Online) instname:Universidade Estadual de Maringá (UEM) instacron:UEM |
instname_str |
Universidade Estadual de Maringá (UEM) |
instacron_str |
UEM |
institution |
UEM |
reponame_str |
Acta Scientiarum. Animal Sciences (Online) |
collection |
Acta Scientiarum. Animal Sciences (Online) |
repository.name.fl_str_mv |
Acta Scientiarum. Animal Sciences (Online) - Universidade Estadual de Maringá (UEM) |
repository.mail.fl_str_mv |
actaanim@uem.br||actaanim@uem.br|| rev.acta@gmail.com |
_version_ |
1799315359127306240 |