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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Universidad de Antioquia
2020
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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) |
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alternative feedstuffs digestibility energy feed byproduct in vitro assay pig protein soybean milk by-product soy byproduct swine trypsin inhibitor Animal culture SF1-1100 |
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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 |
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1718404900844470272 |