Nutrient profile and digestibility of tubers and agro-industrial coproducts determined using an in vitro model of swine

Exploring and evaluating alternative feed ingredients to be used in swine diet is essential due to highly variable cost and limited availability of conventional feed ingredients. Tubers and agro-industrial coproducts could provide the basis for producing affordable swine feed. However, information o...
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Autor*in:	Utsav P. Tiwari [verfasserIn] Rajesh Jha [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2016

Schlagwörter:	Alternative feedstuffs Coproducts In vitro digestibility Swine Tubers

Übergeordnetes Werk:	In: Animal Nutrition - KeAi Communications Co., Ltd., 2017, 2(2016), 4, Seite 357-360
Übergeordnetes Werk:	volume:2 ; year:2016 ; number:4 ; pages:357-360

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1016/j.aninu.2016.07.004

Katalog-ID:	DOAJ073587451

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520			\|a Exploring and evaluating alternative feed ingredients to be used in swine diet is essential due to highly variable cost and limited availability of conventional feed ingredients. Tubers and agro-industrial coproducts could provide the basis for producing affordable swine feed. However, information on the nutritional value of these potential alternative feedstuffs is necessary while considering their use in swine feeding program. Four tubers (purple sweet potato [PSP], okinawan sweet potato, taro and cassava) and 3 coproducts (okara, wheat millrun [WMR] and barley brewers grain [BBG]) were analyzed for their proximate nutrients, starch, fibers and gross energy (GE) content. Two independent in vitro studies were carried out for tubers and coproducts to determine their nutrients digestibility using a 3-step enzymatic assay (which mimics the digestion occurring in the gastrointestinal tract of swine) with 9 replicates of each sample digested in 3 batches equally. All replicate samples were used to determine in vitro dry matter digestibility (IVDDM) while 2 replicates from each batch were used to determine in vitro GE digestibility (IVDGE). Among tubers, CP content was the highest in taro (8.8%) and the lowest in cassava (3.7%), while CP content among coproducts was the highest in okara (22.7%) and the lowest in WMR (11.8%). Ether extract content among tubers ranged from 1.1% to 2.8%. The GE content among tubers, ranged from 4,134 to 4,334 kcal/kg whereas among coproducts it ranged from 4,270 to 4,794 kcal/kg. Among tubers, IVDDM for PSP was significantly higher (86.8%, P < 0.001) than taro (70.3%). Among coproducts, IVDDM of okara (74.1%) was significantly higher (P < 0.05) than BBG (61.3%). In conclusion, both tubers and coproducts can be used as a partial substitute of conventional energy feedstuffs in swine diets as these are rich in GE and other nutrients and are fairly digestible.
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allfields	10.1016/j.aninu.2016.07.004 doi (DE-627)DOAJ073587451 (DE-599)DOAJ959292e41a0a43eba8d5c35f292e3a06 DE-627 ger DE-627 rakwb eng SF1-1100 Utsav P. Tiwari verfasserin aut Nutrient profile and digestibility of tubers and agro-industrial coproducts determined using an in vitro model of swine 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Exploring and evaluating alternative feed ingredients to be used in swine diet is essential due to highly variable cost and limited availability of conventional feed ingredients. Tubers and agro-industrial coproducts could provide the basis for producing affordable swine feed. However, information on the nutritional value of these potential alternative feedstuffs is necessary while considering their use in swine feeding program. Four tubers (purple sweet potato [PSP], okinawan sweet potato, taro and cassava) and 3 coproducts (okara, wheat millrun [WMR] and barley brewers grain [BBG]) were analyzed for their proximate nutrients, starch, fibers and gross energy (GE) content. Two independent in vitro studies were carried out for tubers and coproducts to determine their nutrients digestibility using a 3-step enzymatic assay (which mimics the digestion occurring in the gastrointestinal tract of swine) with 9 replicates of each sample digested in 3 batches equally. All replicate samples were used to determine in vitro dry matter digestibility (IVDDM) while 2 replicates from each batch were used to determine in vitro GE digestibility (IVDGE). Among tubers, CP content was the highest in taro (8.8%) and the lowest in cassava (3.7%), while CP content among coproducts was the highest in okara (22.7%) and the lowest in WMR (11.8%). Ether extract content among tubers ranged from 1.1% to 2.8%. The GE content among tubers, ranged from 4,134 to 4,334 kcal/kg whereas among coproducts it ranged from 4,270 to 4,794 kcal/kg. Among tubers, IVDDM for PSP was significantly higher (86.8%, P < 0.001) than taro (70.3%). Among coproducts, IVDDM of okara (74.1%) was significantly higher (P < 0.05) than BBG (61.3%). In conclusion, both tubers and coproducts can be used as a partial substitute of conventional energy feedstuffs in swine diets as these are rich in GE and other nutrients and are fairly digestible. Alternative feedstuffs Coproducts In vitro digestibility Swine Tubers Animal culture Rajesh Jha verfasserin aut In Animal Nutrition KeAi Communications Co., Ltd., 2017 2(2016), 4, Seite 357-360 (DE-627)835589307 (DE-600)2834745-6 24056545 nnns volume:2 year:2016 number:4 pages:357-360 https://doi.org/10.1016/j.aninu.2016.07.004 kostenfrei https://doaj.org/article/959292e41a0a43eba8d5c35f292e3a06 kostenfrei http://www.sciencedirect.com/science/article/pii/S2405654516300993 kostenfrei https://doaj.org/toc/2405-6545 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 2 2016 4 357-360
spelling	10.1016/j.aninu.2016.07.004 doi (DE-627)DOAJ073587451 (DE-599)DOAJ959292e41a0a43eba8d5c35f292e3a06 DE-627 ger DE-627 rakwb eng SF1-1100 Utsav P. Tiwari verfasserin aut Nutrient profile and digestibility of tubers and agro-industrial coproducts determined using an in vitro model of swine 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Exploring and evaluating alternative feed ingredients to be used in swine diet is essential due to highly variable cost and limited availability of conventional feed ingredients. Tubers and agro-industrial coproducts could provide the basis for producing affordable swine feed. However, information on the nutritional value of these potential alternative feedstuffs is necessary while considering their use in swine feeding program. Four tubers (purple sweet potato [PSP], okinawan sweet potato, taro and cassava) and 3 coproducts (okara, wheat millrun [WMR] and barley brewers grain [BBG]) were analyzed for their proximate nutrients, starch, fibers and gross energy (GE) content. Two independent in vitro studies were carried out for tubers and coproducts to determine their nutrients digestibility using a 3-step enzymatic assay (which mimics the digestion occurring in the gastrointestinal tract of swine) with 9 replicates of each sample digested in 3 batches equally. All replicate samples were used to determine in vitro dry matter digestibility (IVDDM) while 2 replicates from each batch were used to determine in vitro GE digestibility (IVDGE). Among tubers, CP content was the highest in taro (8.8%) and the lowest in cassava (3.7%), while CP content among coproducts was the highest in okara (22.7%) and the lowest in WMR (11.8%). Ether extract content among tubers ranged from 1.1% to 2.8%. The GE content among tubers, ranged from 4,134 to 4,334 kcal/kg whereas among coproducts it ranged from 4,270 to 4,794 kcal/kg. Among tubers, IVDDM for PSP was significantly higher (86.8%, P < 0.001) than taro (70.3%). Among coproducts, IVDDM of okara (74.1%) was significantly higher (P < 0.05) than BBG (61.3%). In conclusion, both tubers and coproducts can be used as a partial substitute of conventional energy feedstuffs in swine diets as these are rich in GE and other nutrients and are fairly digestible. Alternative feedstuffs Coproducts In vitro digestibility Swine Tubers Animal culture Rajesh Jha verfasserin aut In Animal Nutrition KeAi Communications Co., Ltd., 2017 2(2016), 4, Seite 357-360 (DE-627)835589307 (DE-600)2834745-6 24056545 nnns volume:2 year:2016 number:4 pages:357-360 https://doi.org/10.1016/j.aninu.2016.07.004 kostenfrei https://doaj.org/article/959292e41a0a43eba8d5c35f292e3a06 kostenfrei http://www.sciencedirect.com/science/article/pii/S2405654516300993 kostenfrei https://doaj.org/toc/2405-6545 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 2 2016 4 357-360
allfields_unstemmed	10.1016/j.aninu.2016.07.004 doi (DE-627)DOAJ073587451 (DE-599)DOAJ959292e41a0a43eba8d5c35f292e3a06 DE-627 ger DE-627 rakwb eng SF1-1100 Utsav P. Tiwari verfasserin aut Nutrient profile and digestibility of tubers and agro-industrial coproducts determined using an in vitro model of swine 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Exploring and evaluating alternative feed ingredients to be used in swine diet is essential due to highly variable cost and limited availability of conventional feed ingredients. Tubers and agro-industrial coproducts could provide the basis for producing affordable swine feed. However, information on the nutritional value of these potential alternative feedstuffs is necessary while considering their use in swine feeding program. Four tubers (purple sweet potato [PSP], okinawan sweet potato, taro and cassava) and 3 coproducts (okara, wheat millrun [WMR] and barley brewers grain [BBG]) were analyzed for their proximate nutrients, starch, fibers and gross energy (GE) content. Two independent in vitro studies were carried out for tubers and coproducts to determine their nutrients digestibility using a 3-step enzymatic assay (which mimics the digestion occurring in the gastrointestinal tract of swine) with 9 replicates of each sample digested in 3 batches equally. All replicate samples were used to determine in vitro dry matter digestibility (IVDDM) while 2 replicates from each batch were used to determine in vitro GE digestibility (IVDGE). Among tubers, CP content was the highest in taro (8.8%) and the lowest in cassava (3.7%), while CP content among coproducts was the highest in okara (22.7%) and the lowest in WMR (11.8%). Ether extract content among tubers ranged from 1.1% to 2.8%. The GE content among tubers, ranged from 4,134 to 4,334 kcal/kg whereas among coproducts it ranged from 4,270 to 4,794 kcal/kg. Among tubers, IVDDM for PSP was significantly higher (86.8%, P < 0.001) than taro (70.3%). Among coproducts, IVDDM of okara (74.1%) was significantly higher (P < 0.05) than BBG (61.3%). In conclusion, both tubers and coproducts can be used as a partial substitute of conventional energy feedstuffs in swine diets as these are rich in GE and other nutrients and are fairly digestible. Alternative feedstuffs Coproducts In vitro digestibility Swine Tubers Animal culture Rajesh Jha verfasserin aut In Animal Nutrition KeAi Communications Co., Ltd., 2017 2(2016), 4, Seite 357-360 (DE-627)835589307 (DE-600)2834745-6 24056545 nnns volume:2 year:2016 number:4 pages:357-360 https://doi.org/10.1016/j.aninu.2016.07.004 kostenfrei https://doaj.org/article/959292e41a0a43eba8d5c35f292e3a06 kostenfrei http://www.sciencedirect.com/science/article/pii/S2405654516300993 kostenfrei https://doaj.org/toc/2405-6545 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 2 2016 4 357-360
allfieldsGer	10.1016/j.aninu.2016.07.004 doi (DE-627)DOAJ073587451 (DE-599)DOAJ959292e41a0a43eba8d5c35f292e3a06 DE-627 ger DE-627 rakwb eng SF1-1100 Utsav P. Tiwari verfasserin aut Nutrient profile and digestibility of tubers and agro-industrial coproducts determined using an in vitro model of swine 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Exploring and evaluating alternative feed ingredients to be used in swine diet is essential due to highly variable cost and limited availability of conventional feed ingredients. Tubers and agro-industrial coproducts could provide the basis for producing affordable swine feed. However, information on the nutritional value of these potential alternative feedstuffs is necessary while considering their use in swine feeding program. Four tubers (purple sweet potato [PSP], okinawan sweet potato, taro and cassava) and 3 coproducts (okara, wheat millrun [WMR] and barley brewers grain [BBG]) were analyzed for their proximate nutrients, starch, fibers and gross energy (GE) content. Two independent in vitro studies were carried out for tubers and coproducts to determine their nutrients digestibility using a 3-step enzymatic assay (which mimics the digestion occurring in the gastrointestinal tract of swine) with 9 replicates of each sample digested in 3 batches equally. All replicate samples were used to determine in vitro dry matter digestibility (IVDDM) while 2 replicates from each batch were used to determine in vitro GE digestibility (IVDGE). Among tubers, CP content was the highest in taro (8.8%) and the lowest in cassava (3.7%), while CP content among coproducts was the highest in okara (22.7%) and the lowest in WMR (11.8%). Ether extract content among tubers ranged from 1.1% to 2.8%. The GE content among tubers, ranged from 4,134 to 4,334 kcal/kg whereas among coproducts it ranged from 4,270 to 4,794 kcal/kg. Among tubers, IVDDM for PSP was significantly higher (86.8%, P < 0.001) than taro (70.3%). Among coproducts, IVDDM of okara (74.1%) was significantly higher (P < 0.05) than BBG (61.3%). In conclusion, both tubers and coproducts can be used as a partial substitute of conventional energy feedstuffs in swine diets as these are rich in GE and other nutrients and are fairly digestible. Alternative feedstuffs Coproducts In vitro digestibility Swine Tubers Animal culture Rajesh Jha verfasserin aut In Animal Nutrition KeAi Communications Co., Ltd., 2017 2(2016), 4, Seite 357-360 (DE-627)835589307 (DE-600)2834745-6 24056545 nnns volume:2 year:2016 number:4 pages:357-360 https://doi.org/10.1016/j.aninu.2016.07.004 kostenfrei https://doaj.org/article/959292e41a0a43eba8d5c35f292e3a06 kostenfrei http://www.sciencedirect.com/science/article/pii/S2405654516300993 kostenfrei https://doaj.org/toc/2405-6545 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 2 2016 4 357-360
allfieldsSound	10.1016/j.aninu.2016.07.004 doi (DE-627)DOAJ073587451 (DE-599)DOAJ959292e41a0a43eba8d5c35f292e3a06 DE-627 ger DE-627 rakwb eng SF1-1100 Utsav P. Tiwari verfasserin aut Nutrient profile and digestibility of tubers and agro-industrial coproducts determined using an in vitro model of swine 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Exploring and evaluating alternative feed ingredients to be used in swine diet is essential due to highly variable cost and limited availability of conventional feed ingredients. Tubers and agro-industrial coproducts could provide the basis for producing affordable swine feed. However, information on the nutritional value of these potential alternative feedstuffs is necessary while considering their use in swine feeding program. Four tubers (purple sweet potato [PSP], okinawan sweet potato, taro and cassava) and 3 coproducts (okara, wheat millrun [WMR] and barley brewers grain [BBG]) were analyzed for their proximate nutrients, starch, fibers and gross energy (GE) content. Two independent in vitro studies were carried out for tubers and coproducts to determine their nutrients digestibility using a 3-step enzymatic assay (which mimics the digestion occurring in the gastrointestinal tract of swine) with 9 replicates of each sample digested in 3 batches equally. All replicate samples were used to determine in vitro dry matter digestibility (IVDDM) while 2 replicates from each batch were used to determine in vitro GE digestibility (IVDGE). Among tubers, CP content was the highest in taro (8.8%) and the lowest in cassava (3.7%), while CP content among coproducts was the highest in okara (22.7%) and the lowest in WMR (11.8%). Ether extract content among tubers ranged from 1.1% to 2.8%. The GE content among tubers, ranged from 4,134 to 4,334 kcal/kg whereas among coproducts it ranged from 4,270 to 4,794 kcal/kg. Among tubers, IVDDM for PSP was significantly higher (86.8%, P < 0.001) than taro (70.3%). Among coproducts, IVDDM of okara (74.1%) was significantly higher (P < 0.05) than BBG (61.3%). In conclusion, both tubers and coproducts can be used as a partial substitute of conventional energy feedstuffs in swine diets as these are rich in GE and other nutrients and are fairly digestible. Alternative feedstuffs Coproducts In vitro digestibility Swine Tubers Animal culture Rajesh Jha verfasserin aut In Animal Nutrition KeAi Communications Co., Ltd., 2017 2(2016), 4, Seite 357-360 (DE-627)835589307 (DE-600)2834745-6 24056545 nnns volume:2 year:2016 number:4 pages:357-360 https://doi.org/10.1016/j.aninu.2016.07.004 kostenfrei https://doaj.org/article/959292e41a0a43eba8d5c35f292e3a06 kostenfrei http://www.sciencedirect.com/science/article/pii/S2405654516300993 kostenfrei https://doaj.org/toc/2405-6545 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 2 2016 4 357-360
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callnumber-first	S - Agriculture
author	Utsav P. Tiwari
spellingShingle	Utsav P. Tiwari misc SF1-1100 misc Alternative feedstuffs misc Coproducts misc In vitro digestibility misc Swine misc Tubers misc Animal culture Nutrient profile and digestibility of tubers and agro-industrial coproducts determined using an in vitro model of swine
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topic_title	SF1-1100 Nutrient profile and digestibility of tubers and agro-industrial coproducts determined using an in vitro model of swine Alternative feedstuffs Coproducts In vitro digestibility Swine Tubers
topic	misc SF1-1100 misc Alternative feedstuffs misc Coproducts misc In vitro digestibility misc Swine misc Tubers misc Animal culture
topic_unstemmed	misc SF1-1100 misc Alternative feedstuffs misc Coproducts misc In vitro digestibility misc Swine misc Tubers misc Animal culture
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title	Nutrient profile and digestibility of tubers and agro-industrial coproducts determined using an in vitro model of swine
ctrlnum	(DE-627)DOAJ073587451 (DE-599)DOAJ959292e41a0a43eba8d5c35f292e3a06
title_full	Nutrient profile and digestibility of tubers and agro-industrial coproducts determined using an in vitro model of swine
author_sort	Utsav P. Tiwari
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author_browse	Utsav P. Tiwari Rajesh Jha
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title_sort	nutrient profile and digestibility of tubers and agro-industrial coproducts determined using an in vitro model of swine
callnumber	SF1-1100
title_auth	Nutrient profile and digestibility of tubers and agro-industrial coproducts determined using an in vitro model of swine
abstract	Exploring and evaluating alternative feed ingredients to be used in swine diet is essential due to highly variable cost and limited availability of conventional feed ingredients. Tubers and agro-industrial coproducts could provide the basis for producing affordable swine feed. However, information on the nutritional value of these potential alternative feedstuffs is necessary while considering their use in swine feeding program. Four tubers (purple sweet potato [PSP], okinawan sweet potato, taro and cassava) and 3 coproducts (okara, wheat millrun [WMR] and barley brewers grain [BBG]) were analyzed for their proximate nutrients, starch, fibers and gross energy (GE) content. Two independent in vitro studies were carried out for tubers and coproducts to determine their nutrients digestibility using a 3-step enzymatic assay (which mimics the digestion occurring in the gastrointestinal tract of swine) with 9 replicates of each sample digested in 3 batches equally. All replicate samples were used to determine in vitro dry matter digestibility (IVDDM) while 2 replicates from each batch were used to determine in vitro GE digestibility (IVDGE). Among tubers, CP content was the highest in taro (8.8%) and the lowest in cassava (3.7%), while CP content among coproducts was the highest in okara (22.7%) and the lowest in WMR (11.8%). Ether extract content among tubers ranged from 1.1% to 2.8%. The GE content among tubers, ranged from 4,134 to 4,334 kcal/kg whereas among coproducts it ranged from 4,270 to 4,794 kcal/kg. Among tubers, IVDDM for PSP was significantly higher (86.8%, P < 0.001) than taro (70.3%). Among coproducts, IVDDM of okara (74.1%) was significantly higher (P < 0.05) than BBG (61.3%). In conclusion, both tubers and coproducts can be used as a partial substitute of conventional energy feedstuffs in swine diets as these are rich in GE and other nutrients and are fairly digestible.
abstractGer	Exploring and evaluating alternative feed ingredients to be used in swine diet is essential due to highly variable cost and limited availability of conventional feed ingredients. Tubers and agro-industrial coproducts could provide the basis for producing affordable swine feed. However, information on the nutritional value of these potential alternative feedstuffs is necessary while considering their use in swine feeding program. Four tubers (purple sweet potato [PSP], okinawan sweet potato, taro and cassava) and 3 coproducts (okara, wheat millrun [WMR] and barley brewers grain [BBG]) were analyzed for their proximate nutrients, starch, fibers and gross energy (GE) content. Two independent in vitro studies were carried out for tubers and coproducts to determine their nutrients digestibility using a 3-step enzymatic assay (which mimics the digestion occurring in the gastrointestinal tract of swine) with 9 replicates of each sample digested in 3 batches equally. All replicate samples were used to determine in vitro dry matter digestibility (IVDDM) while 2 replicates from each batch were used to determine in vitro GE digestibility (IVDGE). Among tubers, CP content was the highest in taro (8.8%) and the lowest in cassava (3.7%), while CP content among coproducts was the highest in okara (22.7%) and the lowest in WMR (11.8%). Ether extract content among tubers ranged from 1.1% to 2.8%. The GE content among tubers, ranged from 4,134 to 4,334 kcal/kg whereas among coproducts it ranged from 4,270 to 4,794 kcal/kg. Among tubers, IVDDM for PSP was significantly higher (86.8%, P < 0.001) than taro (70.3%). Among coproducts, IVDDM of okara (74.1%) was significantly higher (P < 0.05) than BBG (61.3%). In conclusion, both tubers and coproducts can be used as a partial substitute of conventional energy feedstuffs in swine diets as these are rich in GE and other nutrients and are fairly digestible.
abstract_unstemmed	Exploring and evaluating alternative feed ingredients to be used in swine diet is essential due to highly variable cost and limited availability of conventional feed ingredients. Tubers and agro-industrial coproducts could provide the basis for producing affordable swine feed. However, information on the nutritional value of these potential alternative feedstuffs is necessary while considering their use in swine feeding program. Four tubers (purple sweet potato [PSP], okinawan sweet potato, taro and cassava) and 3 coproducts (okara, wheat millrun [WMR] and barley brewers grain [BBG]) were analyzed for their proximate nutrients, starch, fibers and gross energy (GE) content. Two independent in vitro studies were carried out for tubers and coproducts to determine their nutrients digestibility using a 3-step enzymatic assay (which mimics the digestion occurring in the gastrointestinal tract of swine) with 9 replicates of each sample digested in 3 batches equally. All replicate samples were used to determine in vitro dry matter digestibility (IVDDM) while 2 replicates from each batch were used to determine in vitro GE digestibility (IVDGE). Among tubers, CP content was the highest in taro (8.8%) and the lowest in cassava (3.7%), while CP content among coproducts was the highest in okara (22.7%) and the lowest in WMR (11.8%). Ether extract content among tubers ranged from 1.1% to 2.8%. The GE content among tubers, ranged from 4,134 to 4,334 kcal/kg whereas among coproducts it ranged from 4,270 to 4,794 kcal/kg. Among tubers, IVDDM for PSP was significantly higher (86.8%, P < 0.001) than taro (70.3%). Among coproducts, IVDDM of okara (74.1%) was significantly higher (P < 0.05) than BBG (61.3%). In conclusion, both tubers and coproducts can be used as a partial substitute of conventional energy feedstuffs in swine diets as these are rich in GE and other nutrients and are fairly digestible.
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title_short	Nutrient profile and digestibility of tubers and agro-industrial coproducts determined using an in vitro model of swine
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Among tubers, CP content was the highest in taro (8.8%) and the lowest in cassava (3.7%), while CP content among coproducts was the highest in okara (22.7%) and the lowest in WMR (11.8%). Ether extract content among tubers ranged from 1.1% to 2.8%. The GE content among tubers, ranged from 4,134 to 4,334 kcal/kg whereas among coproducts it ranged from 4,270 to 4,794 kcal/kg. Among tubers, IVDDM for PSP was significantly higher (86.8%, P < 0.001) than taro (70.3%). Among coproducts, IVDDM of okara (74.1%) was significantly higher (P < 0.05) than BBG (61.3%). 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Nutrient profile and digestibility of tubers and agro-industrial coproducts determined using an in vitro model of swine

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