In vitro ruminal fermentation kinetic of diets containing forage cactus with urea and different starch sources
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Publication Date: | 2014 |
Other Authors: | , , , , |
Format: | Article |
Language: | por |
Source: | Semina. Ciências Agrárias (Online) |
Download full: | https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/13289 |
Summary: | The study was conducted to evaluate fermentation kinetic of diets based on cactus forage enriched with urea and Tifton 85 hay, containing different starch sources, using semi-automated in vitro gas production technique. Treatments were disposed in a randomized block design, with four replications, where concentrates were formulated as follows: cassava roots (FSMa), semi flint corn grains (FSMiSD), dent corn grains (FSMiD) and wheat bran (FTMa). All diets were formulated to obtain 15% of crude protein. Gas pressure were measured 2, 4, 6, 8, 10, 12, 15, 18, 21, 24, 30, 36, 48, 72 and 96 h after inoculation. For fast phase maximum gas volume (Vf1), both treatments containing corn did not differ (P>0.05). FTMa differed (P<0.05) from diets composed with corn, as main starch source. Specific degradation rate of fast fraction (Kd1) was higher (P<0.05) on FSMa and FTMa diets, compared with corn diets. Colonization time (L) showed lower values (P<0.05) for FTMa diet. The lowest total gas production was observed on FTMa and the highest for FSMiD, varying from 225.49 to 268.31 mL/g, respectively. Cassava roots as starch source contributes to a faster fermentation, compared to both corns, allowing a better synchronization with faster degradation nitrogen sources. |
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In vitro ruminal fermentation kinetic of diets containing forage cactus with urea and different starch sourcesCinética da fermentação ruminal in vitro de dietas contendo palma forrageira enriquecida com ureia e suplementadas com diferentes fontes de amidoCarbohydrateRuminal degradationSynchronization.CarboidratoDegradação ruminalSincronização.The study was conducted to evaluate fermentation kinetic of diets based on cactus forage enriched with urea and Tifton 85 hay, containing different starch sources, using semi-automated in vitro gas production technique. Treatments were disposed in a randomized block design, with four replications, where concentrates were formulated as follows: cassava roots (FSMa), semi flint corn grains (FSMiSD), dent corn grains (FSMiD) and wheat bran (FTMa). All diets were formulated to obtain 15% of crude protein. Gas pressure were measured 2, 4, 6, 8, 10, 12, 15, 18, 21, 24, 30, 36, 48, 72 and 96 h after inoculation. For fast phase maximum gas volume (Vf1), both treatments containing corn did not differ (P>0.05). FTMa differed (P<0.05) from diets composed with corn, as main starch source. Specific degradation rate of fast fraction (Kd1) was higher (P<0.05) on FSMa and FTMa diets, compared with corn diets. Colonization time (L) showed lower values (P<0.05) for FTMa diet. The lowest total gas production was observed on FTMa and the highest for FSMiD, varying from 225.49 to 268.31 mL/g, respectively. Cassava roots as starch source contributes to a faster fermentation, compared to both corns, allowing a better synchronization with faster degradation nitrogen sources.O presente estudo teve por objetivo avaliar a cinética da fermentação de dietas a base de palma forrageira enriquecida com ureia e feno de capim tifton (85) contendo diferentes fontes de amido, por meio da técnica semi-automática de produção de gases in vitro. Os tratamentos (dietas) foram dispostos em um delineamento em blocos casualizados, com quatro repetições, sendo os concentrados compostos como segue: farelo de soja e raiz de mandioca (FSMa), farelo de soja e milho semiduro (FSMiSD), farelo de trigo e mandioca (FTMa) e farelo de soja e milho dentado (FSMiD). As dietas foram formuladas para obter teores de 15% de proteína bruta na matéria seca. A pressão dos gases foi mensurada às 2, 4, 6, 8, 10, 12, 15, 18, 21, 24, 30, 36, 48, 72 e 96 h após a inoculação. Para o volume de produção de gases dos carboidratos não fibrosos nas primeiras 6 horas de fermentação os tratamentos contendo as duas variedades de milho (FSMiSD e FSMiD) não diferiram entre si (P>0,05) enquanto que, o FTMa diferiu (P<0,05) das dietas que continham milho como fonte principal de amido. A taxa específica de degradação da fração rápida (Kd1) foi maior nas dietas compostas por FSMa e FTMa quando comparada às contendo milho. O tempo de colonização (L) foi menor (P<0,05) na dieta com FTMa, quando comparado às demais. A produção total de gases foi menor para o tratamento FTMa e maior para o FSMiSD, variando de 225,49 mL/g a 268,31 mL/g, respectivamente. A utilização da mandioca como fonte de amido proporciona uma fermentação mais rápida, quando comparada ao milho, permitindo melhor sincronização com fontes de nitrogênio de rápida degradação.UEL2014-06-25info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArtigo científicoapplication/pdfhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/1328910.5433/1679-0359.2014v35n3p1501Semina: Ciências Agrárias; Vol. 35 No. 3 (2014); 1501-1514Semina: Ciências Agrárias; v. 35 n. 3 (2014); 1501-15141679-03591676-546Xreponame:Semina. Ciências Agrárias (Online)instname:Universidade Estadual de Londrina (UEL)instacron:UELporhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/13289/pdf_346Copyright (c) 2014 Semina: Ciências Agráriashttp://creativecommons.org/licenses/by-nc/4.0info:eu-repo/semantics/openAccessLuz, Yann dos SantosFigueiredo, Mauro Pereira deOliveira, Fábio MartinsBernardino, Fernando SalgadoNovaes, Eduardo de JesusRoseira, João Paulo Santos2023-01-16T15:18:43Zoai:ojs.pkp.sfu.ca:article/13289Revistahttp://www.uel.br/revistas/uel/index.php/semagrariasPUBhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/oaisemina.agrarias@uel.br1679-03591676-546Xopendoar:2023-01-16T15:18:43Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL)false |
dc.title.none.fl_str_mv |
In vitro ruminal fermentation kinetic of diets containing forage cactus with urea and different starch sources Cinética da fermentação ruminal in vitro de dietas contendo palma forrageira enriquecida com ureia e suplementadas com diferentes fontes de amido |
title |
In vitro ruminal fermentation kinetic of diets containing forage cactus with urea and different starch sources |
spellingShingle |
In vitro ruminal fermentation kinetic of diets containing forage cactus with urea and different starch sources Luz, Yann dos Santos Carbohydrate Ruminal degradation Synchronization. Carboidrato Degradação ruminal Sincronização. |
title_short |
In vitro ruminal fermentation kinetic of diets containing forage cactus with urea and different starch sources |
title_full |
In vitro ruminal fermentation kinetic of diets containing forage cactus with urea and different starch sources |
title_fullStr |
In vitro ruminal fermentation kinetic of diets containing forage cactus with urea and different starch sources |
title_full_unstemmed |
In vitro ruminal fermentation kinetic of diets containing forage cactus with urea and different starch sources |
title_sort |
In vitro ruminal fermentation kinetic of diets containing forage cactus with urea and different starch sources |
author |
Luz, Yann dos Santos |
author_facet |
Luz, Yann dos Santos Figueiredo, Mauro Pereira de Oliveira, Fábio Martins Bernardino, Fernando Salgado Novaes, Eduardo de Jesus Roseira, João Paulo Santos |
author_role |
author |
author2 |
Figueiredo, Mauro Pereira de Oliveira, Fábio Martins Bernardino, Fernando Salgado Novaes, Eduardo de Jesus Roseira, João Paulo Santos |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Luz, Yann dos Santos Figueiredo, Mauro Pereira de Oliveira, Fábio Martins Bernardino, Fernando Salgado Novaes, Eduardo de Jesus Roseira, João Paulo Santos |
dc.subject.por.fl_str_mv |
Carbohydrate Ruminal degradation Synchronization. Carboidrato Degradação ruminal Sincronização. |
topic |
Carbohydrate Ruminal degradation Synchronization. Carboidrato Degradação ruminal Sincronização. |
description |
The study was conducted to evaluate fermentation kinetic of diets based on cactus forage enriched with urea and Tifton 85 hay, containing different starch sources, using semi-automated in vitro gas production technique. Treatments were disposed in a randomized block design, with four replications, where concentrates were formulated as follows: cassava roots (FSMa), semi flint corn grains (FSMiSD), dent corn grains (FSMiD) and wheat bran (FTMa). All diets were formulated to obtain 15% of crude protein. Gas pressure were measured 2, 4, 6, 8, 10, 12, 15, 18, 21, 24, 30, 36, 48, 72 and 96 h after inoculation. For fast phase maximum gas volume (Vf1), both treatments containing corn did not differ (P>0.05). FTMa differed (P<0.05) from diets composed with corn, as main starch source. Specific degradation rate of fast fraction (Kd1) was higher (P<0.05) on FSMa and FTMa diets, compared with corn diets. Colonization time (L) showed lower values (P<0.05) for FTMa diet. The lowest total gas production was observed on FTMa and the highest for FSMiD, varying from 225.49 to 268.31 mL/g, respectively. Cassava roots as starch source contributes to a faster fermentation, compared to both corns, allowing a better synchronization with faster degradation nitrogen sources. |
publishDate |
2014 |
dc.date.none.fl_str_mv |
2014-06-25 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Artigo científico |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/13289 10.5433/1679-0359.2014v35n3p1501 |
url |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/13289 |
identifier_str_mv |
10.5433/1679-0359.2014v35n3p1501 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/13289/pdf_346 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2014 Semina: Ciências Agrárias http://creativecommons.org/licenses/by-nc/4.0 info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2014 Semina: Ciências Agrárias http://creativecommons.org/licenses/by-nc/4.0 |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
UEL |
publisher.none.fl_str_mv |
UEL |
dc.source.none.fl_str_mv |
Semina: Ciências Agrárias; Vol. 35 No. 3 (2014); 1501-1514 Semina: Ciências Agrárias; v. 35 n. 3 (2014); 1501-1514 1679-0359 1676-546X reponame:Semina. Ciências Agrárias (Online) instname:Universidade Estadual de Londrina (UEL) instacron:UEL |
instname_str |
Universidade Estadual de Londrina (UEL) |
instacron_str |
UEL |
institution |
UEL |
reponame_str |
Semina. Ciências Agrárias (Online) |
collection |
Semina. Ciências Agrárias (Online) |
repository.name.fl_str_mv |
Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL) |
repository.mail.fl_str_mv |
semina.agrarias@uel.br |
_version_ |
1799306068345487360 |