Determination of volatile fatty acids clearance in intact ruminal digesta
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFLA |
Texto Completo: | http://repositorio.ufla.br/jspui/handle/1/41554 |
Resumo: | Cannulated cows were allocated to a cross-over design to evaluate the technique for determination of volatile fatty acid (VFA) clearance by infusion of marker solution into intact ruminal digesta, and verify the technique sensibility to the variation in the diet. Animals received diet of forage or forage plus concentrate and infusion of valeric acid and Cr-EDTA solution into intact or evacuated ruminal digesta. The total fractional rate of VFA clearance (FRVFAC) was estimated by the exponential decay of valerate over time. The passage FRVFAC to the omasum was assumed as the decay in ruminal Cr concentration and the absorption FRVFAC was estimated by the difference. The total FRVFAC and absorption did not differ between techniques. The passage FRVFAC, however, was lower when the marker solution was added into the evacuated digesta, probably reflecting the destabilization of the rumen environment during the evacuation and the largest volume of fluid observed in animals with evacuated digesta. In conclusion, the infusion of marker solution into intact digesta with homogenization performed by ruminal motility could be usable for the VFA ruminal clearance determination since it seems to cause lesser disturbance in the ruminal environment. |
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Determination of volatile fatty acids clearance in intact ruminal digestaDeterminação do clearance de ácidos graxos voláteis na digesta ruminal intactaDeterminación del aclaramiento de ácidos grasos volátiles en digesta ruminal intactaAcidosisCr-EDTARumen physiologyStomachAcidoseFisiologia ruminalBovinos - EstômagoCannulated cows were allocated to a cross-over design to evaluate the technique for determination of volatile fatty acid (VFA) clearance by infusion of marker solution into intact ruminal digesta, and verify the technique sensibility to the variation in the diet. Animals received diet of forage or forage plus concentrate and infusion of valeric acid and Cr-EDTA solution into intact or evacuated ruminal digesta. The total fractional rate of VFA clearance (FRVFAC) was estimated by the exponential decay of valerate over time. The passage FRVFAC to the omasum was assumed as the decay in ruminal Cr concentration and the absorption FRVFAC was estimated by the difference. The total FRVFAC and absorption did not differ between techniques. The passage FRVFAC, however, was lower when the marker solution was added into the evacuated digesta, probably reflecting the destabilization of the rumen environment during the evacuation and the largest volume of fluid observed in animals with evacuated digesta. In conclusion, the infusion of marker solution into intact digesta with homogenization performed by ruminal motility could be usable for the VFA ruminal clearance determination since it seems to cause lesser disturbance in the ruminal environment.Bovinos canulados foram alocados em um delineamento cruzado para avaliar a técnica de determinação do clearance de ácidos graxos voláteis (VFA) por infusão de solução marcadora na digesta ruminal intacta, e verificado a sensibilidade da técnica à variação na dieta. Os animais receberam dieta de forragem ou forragem juntamente com concentrado e infusão de ácido valérico e solução de Cr-EDTA na digesta ruminal intacta ou evacuada. A taxa fracional total de depuração de AGV (FRVFAC) foi estimada pelo decaimento exponencial do valerato ao longo do tempo. A passagem FRVFAC para o omaso foi assumida como o decaimento na concentração ruminal de Cr e a absorção FRVFAC foi estimada pela diferença. A FRVFAC total e a absorção não diferiram entre as técnicas. A passagem FRVFAC, entretanto, foi menor quando a solução marcadora foi adicionada na digesta evacuada, provavelmente refletindo a desestabilização do ambiente ruminal durante a evacuação e o maior volume de líquido observado em animais com digesta evacuada. Em conclusão, a infusão da solução marcadora na digesta intacta com homogeneização realizada pela motilidade ruminal poderia ser utilizada para a determinação da depuração ruminal de VFA, uma vez que parece causar menor distúrbio no ambiente ruminal.Universidad CES2020-06-24T12:55:35Z2020-06-24T12:55:35Z2019info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfRESENDE JÚNIOR, J. C. et al. Determination of volatile fatty acids clearance in intact ruminal digesta. CES Medicina Veterinaria y Zootecnia, Medellín, v. 14, n. 1, p. 8-17, 2019.http://repositorio.ufla.br/jspui/handle/1/41554CES Medicina Veterinaria y Zootecniareponame:Repositório Institucional da UFLAinstname:Universidade Federal de Lavras (UFLA)instacron:UFLAhttp://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessResende Júnior, João Chrysostomo deDaniel, João Luiz PrattiBarreto-Vianna, André Rodrigues da CunhaPeixoto, Juliano VogasGuimarães, Gregório CorreiaCosta, Suely de FátimaLima, Ronaldo Francisco deMeirelles, Fabiola da Cruzeng2020-06-24T12:56:03Zoai:localhost:1/41554Repositório InstitucionalPUBhttp://repositorio.ufla.br/oai/requestnivaldo@ufla.br || repositorio.biblioteca@ufla.bropendoar:2020-06-24T12:56:03Repositório Institucional da UFLA - Universidade Federal de Lavras (UFLA)false |
dc.title.none.fl_str_mv |
Determination of volatile fatty acids clearance in intact ruminal digesta Determinação do clearance de ácidos graxos voláteis na digesta ruminal intacta Determinación del aclaramiento de ácidos grasos volátiles en digesta ruminal intacta |
title |
Determination of volatile fatty acids clearance in intact ruminal digesta |
spellingShingle |
Determination of volatile fatty acids clearance in intact ruminal digesta Resende Júnior, João Chrysostomo de Acidosis Cr-EDTA Rumen physiology Stomach Acidose Fisiologia ruminal Bovinos - Estômago |
title_short |
Determination of volatile fatty acids clearance in intact ruminal digesta |
title_full |
Determination of volatile fatty acids clearance in intact ruminal digesta |
title_fullStr |
Determination of volatile fatty acids clearance in intact ruminal digesta |
title_full_unstemmed |
Determination of volatile fatty acids clearance in intact ruminal digesta |
title_sort |
Determination of volatile fatty acids clearance in intact ruminal digesta |
author |
Resende Júnior, João Chrysostomo de |
author_facet |
Resende Júnior, João Chrysostomo de Daniel, João Luiz Pratti Barreto-Vianna, André Rodrigues da Cunha Peixoto, Juliano Vogas Guimarães, Gregório Correia Costa, Suely de Fátima Lima, Ronaldo Francisco de Meirelles, Fabiola da Cruz |
author_role |
author |
author2 |
Daniel, João Luiz Pratti Barreto-Vianna, André Rodrigues da Cunha Peixoto, Juliano Vogas Guimarães, Gregório Correia Costa, Suely de Fátima Lima, Ronaldo Francisco de Meirelles, Fabiola da Cruz |
author2_role |
author author author author author author author |
dc.contributor.author.fl_str_mv |
Resende Júnior, João Chrysostomo de Daniel, João Luiz Pratti Barreto-Vianna, André Rodrigues da Cunha Peixoto, Juliano Vogas Guimarães, Gregório Correia Costa, Suely de Fátima Lima, Ronaldo Francisco de Meirelles, Fabiola da Cruz |
dc.subject.por.fl_str_mv |
Acidosis Cr-EDTA Rumen physiology Stomach Acidose Fisiologia ruminal Bovinos - Estômago |
topic |
Acidosis Cr-EDTA Rumen physiology Stomach Acidose Fisiologia ruminal Bovinos - Estômago |
description |
Cannulated cows were allocated to a cross-over design to evaluate the technique for determination of volatile fatty acid (VFA) clearance by infusion of marker solution into intact ruminal digesta, and verify the technique sensibility to the variation in the diet. Animals received diet of forage or forage plus concentrate and infusion of valeric acid and Cr-EDTA solution into intact or evacuated ruminal digesta. The total fractional rate of VFA clearance (FRVFAC) was estimated by the exponential decay of valerate over time. The passage FRVFAC to the omasum was assumed as the decay in ruminal Cr concentration and the absorption FRVFAC was estimated by the difference. The total FRVFAC and absorption did not differ between techniques. The passage FRVFAC, however, was lower when the marker solution was added into the evacuated digesta, probably reflecting the destabilization of the rumen environment during the evacuation and the largest volume of fluid observed in animals with evacuated digesta. In conclusion, the infusion of marker solution into intact digesta with homogenization performed by ruminal motility could be usable for the VFA ruminal clearance determination since it seems to cause lesser disturbance in the ruminal environment. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019 2020-06-24T12:55:35Z 2020-06-24T12:55:35Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
RESENDE JÚNIOR, J. C. et al. Determination of volatile fatty acids clearance in intact ruminal digesta. CES Medicina Veterinaria y Zootecnia, Medellín, v. 14, n. 1, p. 8-17, 2019. http://repositorio.ufla.br/jspui/handle/1/41554 |
identifier_str_mv |
RESENDE JÚNIOR, J. C. et al. Determination of volatile fatty acids clearance in intact ruminal digesta. CES Medicina Veterinaria y Zootecnia, Medellín, v. 14, n. 1, p. 8-17, 2019. |
url |
http://repositorio.ufla.br/jspui/handle/1/41554 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.rights.driver.fl_str_mv |
http://creativecommons.org/licenses/by/4.0/ info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
http://creativecommons.org/licenses/by/4.0/ |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidad CES |
publisher.none.fl_str_mv |
Universidad CES |
dc.source.none.fl_str_mv |
CES Medicina Veterinaria y Zootecnia reponame:Repositório Institucional da UFLA instname:Universidade Federal de Lavras (UFLA) instacron:UFLA |
instname_str |
Universidade Federal de Lavras (UFLA) |
instacron_str |
UFLA |
institution |
UFLA |
reponame_str |
Repositório Institucional da UFLA |
collection |
Repositório Institucional da UFLA |
repository.name.fl_str_mv |
Repositório Institucional da UFLA - Universidade Federal de Lavras (UFLA) |
repository.mail.fl_str_mv |
nivaldo@ufla.br || repositorio.biblioteca@ufla.br |
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1815439091032915968 |