Standardized ileal digestibility of amino acids in soybean meal fed to non-pregnant and pregnant sows

BackgroundTwo studies were designed to determine standard ileal crude protein (CP) and amino acid (AA) digestibility of soybean meal (SBM) from different origins fed to non-pregnant and pregnant sows. Seven solvent-extracted SBMs from soybeans produced in the USA, Brazil, and China were selected. In...

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Veröffentlicht in:Journal of Animal Science and Biotechnology 2023-10, Vol.14 (1), p.123-123, Article 123
Hauptverfasser: Wang, Ke, Wang, Ya, Guo, Lei, Zhuo, Yong, Hua, Lun, Che, Lianqiang, Xu, Shengyu, Zhang, Ruinan, Li, Jian, Feng, Bin, Fang, Zhengfeng, Jiang, Xuemei, Lin, Yan, Wu, De
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Sprache:eng
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Zusammenfassung:BackgroundTwo studies were designed to determine standard ileal crude protein (CP) and amino acid (AA) digestibility of soybean meal (SBM) from different origins fed to non-pregnant and pregnant sows. Seven solvent-extracted SBMs from soybeans produced in the USA, Brazil, and China were selected. In Exp. 1, eight different diets were created: a nitrogen (N)-free diet and 7 experimental diets containing SBM from different origins as the only N source. Eight non-pregnant, multiparous sows were arranged in an 8 × 8 Latin square design (8 periods and 8 diets). In Exp. 2, the diet formula was the same as in Exp. 1. Eight gestating sows (parity 3) were assigned to 4 different diets in a replicated 4 × 3 Youden square design (three periods and four diets) in mid-gestation and again in late-gestation stages.ResultsWhen fed to non-pregnant and late-gestating sows, the standardized ileal digestibility (SID) of CP and most AAs from different SBM were not significantly different (P > 0.05). When fed to mid-gestating sows, the SID values for Arg, His, Lys, Phe, Cys, Gly, Ser, and Tyr in SBM 1 were lower than in SBM 4 and 5 (P 
ISSN:2049-1891
1674-9782
2049-1891
DOI:10.1186/s40104-023-00928-y