Energy values and protein digestibility of soybean milk by-product in pigs based on in vitro assays

Background: Soybean milk by-product (SMBP) is a potential alternative feed ingredient in swine diets due to its high protein content. However, information on energy and nutritional values of SMBP used as swine feed ingredient is limited. Objective: To estimate energy values and protein digestibility...

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Main Authors:	Jung-Yeol Sung, Bokyung Hong, Youngeun Song, Beob-Gyun Kim
Format:	article
Language:	EN
Published:	Universidad de Antioquia 2020
Subjects:	alternative feedstuffs digestibility energy feed byproduct in vitro assay pig protein soybean milk by-product soy byproduct swine trypsin inhibitor Animal culture SF1-1100
Online Access:	https://doaj.org/article/dbd5d592834d4059b23e828b4e85ef22
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spelling	oai:doaj.org-article:dbd5d592834d4059b23e828b4e85ef222021-12-01T15:14:34ZEnergy values and protein digestibility of soybean milk by-product in pigs based on in vitro assays2256-295810.17533/udea.rccp.v33n4a07https://doaj.org/article/dbd5d592834d4059b23e828b4e85ef222020-06-01T00:00:00Zhttps://revistas.udea.edu.co/index.php/rccp/article/view/342495https://doaj.org/toc/2256-2958Background: Soybean milk by-product (SMBP) is a potential alternative feed ingredient in swine diets due to its high protein content. However, information on energy and nutritional values of SMBP used as swine feed ingredient is limited. Objective: To estimate energy values and protein digestibility of SMBP in pigs based on in vitro assays. Methods: Four SMBP samples were obtained from 3 soybean milk-producing facilities. In vitro total tract disappearance (IVTTD) and in vitro ileal disappearance (IVID) of dry matter (DM) in the SMBP samples were determined. In vitro ileal disappearance of crude protein was determined by analyzing crude protein content in undigested residues after determining IVID of DM. Digestible and metabolizable energy of SMBP were estimated using gross energy, IVTTD of DM, and prediction equations. Results: Sample 4 had greater IVTTD of DM than that of sample 3 (97.7 vs. 94.4%, p<0.05), whereas IVID of DM in sample 4 was lower compared with sample 1 (53.5 vs. 65.0%, p<0.05). In vitro ileal disappearance of crude protein in sample 2 was greater than that in sample 1 and 3 (92.6 vs. 90.6 and 90.1%; p<0.05). The estimated metabolizable energy of SMBP ranged from 4,311 to 4,619 kcal/kg as-is basis and the value of sample 3 was the least (p<0.05) among SMBP samples. Conclusion: Energy values and protein digestibility should be determined before using SMBP in swine diets.Jung-Yeol SungBokyung HongYoungeun SongBeob-Gyun KimUniversidad de Antioquiaarticlealternative feedstuffsdigestibilityenergyfeed byproductin vitro assaypigproteinsoybean milk by-productsoy byproductswinetrypsin inhibitorAnimal cultureSF1-1100ENRevista Colombiana de Ciencias Pecuarias, Vol 34, Iss 1, Pp 73-81 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	alternative feedstuffs digestibility energy feed byproduct in vitro assay pig protein soybean milk by-product soy byproduct swine trypsin inhibitor Animal culture SF1-1100
spellingShingle	alternative feedstuffs digestibility energy feed byproduct in vitro assay pig protein soybean milk by-product soy byproduct swine trypsin inhibitor Animal culture SF1-1100 Jung-Yeol Sung Bokyung Hong Youngeun Song Beob-Gyun Kim Energy values and protein digestibility of soybean milk by-product in pigs based on in vitro assays
description	Background: Soybean milk by-product (SMBP) is a potential alternative feed ingredient in swine diets due to its high protein content. However, information on energy and nutritional values of SMBP used as swine feed ingredient is limited. Objective: To estimate energy values and protein digestibility of SMBP in pigs based on in vitro assays. Methods: Four SMBP samples were obtained from 3 soybean milk-producing facilities. In vitro total tract disappearance (IVTTD) and in vitro ileal disappearance (IVID) of dry matter (DM) in the SMBP samples were determined. In vitro ileal disappearance of crude protein was determined by analyzing crude protein content in undigested residues after determining IVID of DM. Digestible and metabolizable energy of SMBP were estimated using gross energy, IVTTD of DM, and prediction equations. Results: Sample 4 had greater IVTTD of DM than that of sample 3 (97.7 vs. 94.4%, p<0.05), whereas IVID of DM in sample 4 was lower compared with sample 1 (53.5 vs. 65.0%, p<0.05). In vitro ileal disappearance of crude protein in sample 2 was greater than that in sample 1 and 3 (92.6 vs. 90.6 and 90.1%; p<0.05). The estimated metabolizable energy of SMBP ranged from 4,311 to 4,619 kcal/kg as-is basis and the value of sample 3 was the least (p<0.05) among SMBP samples. Conclusion: Energy values and protein digestibility should be determined before using SMBP in swine diets.
format	article
author	Jung-Yeol Sung Bokyung Hong Youngeun Song Beob-Gyun Kim
author_facet	Jung-Yeol Sung Bokyung Hong Youngeun Song Beob-Gyun Kim
author_sort	Jung-Yeol Sung
title	Energy values and protein digestibility of soybean milk by-product in pigs based on in vitro assays
title_short	Energy values and protein digestibility of soybean milk by-product in pigs based on in vitro assays
title_full	Energy values and protein digestibility of soybean milk by-product in pigs based on in vitro assays
title_fullStr	Energy values and protein digestibility of soybean milk by-product in pigs based on in vitro assays
title_full_unstemmed	Energy values and protein digestibility of soybean milk by-product in pigs based on in vitro assays
title_sort	energy values and protein digestibility of soybean milk by-product in pigs based on in vitro assays
publisher	Universidad de Antioquia
publishDate	2020
url	https://doaj.org/article/dbd5d592834d4059b23e828b4e85ef22
work_keys_str_mv	AT jungyeolsung energyvaluesandproteindigestibilityofsoybeanmilkbyproductinpigsbasedoninvitroassays AT bokyunghong energyvaluesandproteindigestibilityofsoybeanmilkbyproductinpigsbasedoninvitroassays AT youngeunsong energyvaluesandproteindigestibilityofsoybeanmilkbyproductinpigsbasedoninvitroassays AT beobgyunkim energyvaluesandproteindigestibilityofsoybeanmilkbyproductinpigsbasedoninvitroassays
_version_	1718404900844470272

Energy values and protein digestibility of soybean milk by-product in pigs based on in vitro assays

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