Relationship between forage neutral detergent fiber and non-fibrous carbohydrates on ruminal fermentation products and neutral detergent fiber digestibility in goats

Background: There is a comprehensive understanding of the role of dietary fiber as a nutrient and its function during digestion in cattle. On the other hand, the role of fiber digestion in goats has not received similar attention. Objective: To evaluate the effects of different ratios of forage neut...

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Autores principales:	Ricardo M. A. Pinho, Edson M. Santos, Juliana S. de Oliveira, Gleidson G. P. de Carvalho, Joyce P. Alves, Alberto J. da S. Macêdo, Gildenia A. Pereira, Danilo M. Pereira, Alexandre F. Perazzo, Anderson de M. Zanine
Formato:	article
Lenguaje:	EN
Publicado:	Universidad de Antioquia 2019
Materias:	digestion energy microbial protein physically effective fiber rumen Animal culture SF1-1100
Acceso en línea:	https://doaj.org/article/21214499788c4fbe8b334163cab09eaa
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spelling	oai:doaj.org-article:21214499788c4fbe8b334163cab09eaa2021-12-01T18:59:21ZRelationship between forage neutral detergent fiber and non-fibrous carbohydrates on ruminal fermentation products and neutral detergent fiber digestibility in goats2256-295810.17533/udea.rccp.v32n2a06https://doaj.org/article/21214499788c4fbe8b334163cab09eaa2019-05-01T00:00:00Zhttps://revistas.udea.edu.co/index.php/rccp/article/view/336278https://doaj.org/toc/2256-2958Background: There is a comprehensive understanding of the role of dietary fiber as a nutrient and its function during digestion in cattle. On the other hand, the role of fiber digestion in goats has not received similar attention. Objective: To evaluate the effects of different ratios of forage neutral detergent fiber (fNDF) and non-fibrous carbohydrates (NFC) on ruminal fermentation products, and in vitro neutral detergent fiber (NDF) digestibility in goats. Methods: A 3 × 5 factorial arrangement in a completely randomized design with three fNDF levels (100, 190, and 290 g/kg) and five NFC levels (350, 400, 450, 500, and 550 g/kg) was used. The experiment was performed in vitro. Two ruminally fistulated goats were used as rumen liquid donors. Results: The ratios between fNDF and NFC affected all ruminal parameters (p<0.05). Increasing NFC levels in diets containing 100 and 290 g/kgfNDF resulted in linear increase (p<0.05) in ammonia concentration after 48 h fermentation. There was no adjustment of linear models (p>0.05) for pH values. Total volatile fatty acids (VFA) and their individual molar proportions were affected (p<0.05) at all fNDF and NFC levels. The NDF digestibility was not affected (p>0.05) by fNDF or NFC levels, except for diets containing 290 g/kg fNDF, which were fit to a quadratic model (p<0.05). Conclusion: The relationship between fNDF and NFC concentrations affect the fermentation end products and in vitro NDF digestibility. NFC plays a more consistent role than fNDF in the ruminal microbial ecosystem of goats during in vitro fermentation.Ricardo M. A. PinhoEdson M. SantosJuliana S. de OliveiraGleidson G. P. de CarvalhoJoyce P. AlvesAlberto J. da S. MacêdoGildenia A. PereiraDanilo M. PereiraAlexandre F. PerazzoAnderson de M. ZanineUniversidad de Antioquiaarticledigestionenergymicrobial proteinphysically effective fiberrumenAnimal cultureSF1-1100ENRevista Colombiana de Ciencias Pecuarias, Vol 32, Iss 2, Pp 126-138 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	digestion energy microbial protein physically effective fiber rumen Animal culture SF1-1100
spellingShingle	digestion energy microbial protein physically effective fiber rumen Animal culture SF1-1100 Ricardo M. A. Pinho Edson M. Santos Juliana S. de Oliveira Gleidson G. P. de Carvalho Joyce P. Alves Alberto J. da S. Macêdo Gildenia A. Pereira Danilo M. Pereira Alexandre F. Perazzo Anderson de M. Zanine Relationship between forage neutral detergent fiber and non-fibrous carbohydrates on ruminal fermentation products and neutral detergent fiber digestibility in goats
description	Background: There is a comprehensive understanding of the role of dietary fiber as a nutrient and its function during digestion in cattle. On the other hand, the role of fiber digestion in goats has not received similar attention. Objective: To evaluate the effects of different ratios of forage neutral detergent fiber (fNDF) and non-fibrous carbohydrates (NFC) on ruminal fermentation products, and in vitro neutral detergent fiber (NDF) digestibility in goats. Methods: A 3 × 5 factorial arrangement in a completely randomized design with three fNDF levels (100, 190, and 290 g/kg) and five NFC levels (350, 400, 450, 500, and 550 g/kg) was used. The experiment was performed in vitro. Two ruminally fistulated goats were used as rumen liquid donors. Results: The ratios between fNDF and NFC affected all ruminal parameters (p<0.05). Increasing NFC levels in diets containing 100 and 290 g/kgfNDF resulted in linear increase (p<0.05) in ammonia concentration after 48 h fermentation. There was no adjustment of linear models (p>0.05) for pH values. Total volatile fatty acids (VFA) and their individual molar proportions were affected (p<0.05) at all fNDF and NFC levels. The NDF digestibility was not affected (p>0.05) by fNDF or NFC levels, except for diets containing 290 g/kg fNDF, which were fit to a quadratic model (p<0.05). Conclusion: The relationship between fNDF and NFC concentrations affect the fermentation end products and in vitro NDF digestibility. NFC plays a more consistent role than fNDF in the ruminal microbial ecosystem of goats during in vitro fermentation.
format	article
author	Ricardo M. A. Pinho Edson M. Santos Juliana S. de Oliveira Gleidson G. P. de Carvalho Joyce P. Alves Alberto J. da S. Macêdo Gildenia A. Pereira Danilo M. Pereira Alexandre F. Perazzo Anderson de M. Zanine
author_facet	Ricardo M. A. Pinho Edson M. Santos Juliana S. de Oliveira Gleidson G. P. de Carvalho Joyce P. Alves Alberto J. da S. Macêdo Gildenia A. Pereira Danilo M. Pereira Alexandre F. Perazzo Anderson de M. Zanine
author_sort	Ricardo M. A. Pinho
title	Relationship between forage neutral detergent fiber and non-fibrous carbohydrates on ruminal fermentation products and neutral detergent fiber digestibility in goats
title_short	Relationship between forage neutral detergent fiber and non-fibrous carbohydrates on ruminal fermentation products and neutral detergent fiber digestibility in goats
title_full	Relationship between forage neutral detergent fiber and non-fibrous carbohydrates on ruminal fermentation products and neutral detergent fiber digestibility in goats
title_fullStr	Relationship between forage neutral detergent fiber and non-fibrous carbohydrates on ruminal fermentation products and neutral detergent fiber digestibility in goats
title_full_unstemmed	Relationship between forage neutral detergent fiber and non-fibrous carbohydrates on ruminal fermentation products and neutral detergent fiber digestibility in goats
title_sort	relationship between forage neutral detergent fiber and non-fibrous carbohydrates on ruminal fermentation products and neutral detergent fiber digestibility in goats
publisher	Universidad de Antioquia
publishDate	2019
url	https://doaj.org/article/21214499788c4fbe8b334163cab09eaa
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Relationship between forage neutral detergent fiber and non-fibrous carbohydrates on ruminal fermentation products and neutral detergent fiber digestibility in goats

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