In Vitro assessment of the nutritive value of expanded soybean meal for dairy cattle

Table 2 Composition of soybean meal (SBM) samples from China and the United States

	SBM made in China			United States SBM
Item¹	C-sSBM	C-eSBM	C-ff-eSB	US-sSBM	US-meSBM	SEM²
n	5	14	2	2	2
Organic matter	930^b	929^b	943^a	921^c	932^b	0.60
Crude fat	15^c	9^c	189^a	9^c	65^b	2.6
Total fatty acids	16^c	14^c	115^a	14^c	41^b	1.1
C16:0, g/kg FA	175^a	177^a	121^b	172^a	125^b	3.7
C18:0, g/kg FA	45	45	46	44	45	0.8
C18:1, g/kg FA	118^b	114^b	187^a	107^b	166^a	5.0
C18:2, g/kg FA	524	526	523	541	530	2.4
C18:3, g/kg FA	97	94	90	95	101	4.1
CP	482^ab	490^a	387^c	503^a	450^b	5.2
Amino acids
Aspartic acid	53.6^ab	54.4^a	44.5^c	54.3^ab	49.5^bc	0.77
Threonine	19.8^ab	20.2^a	16.2^c	20.8^a	18.7^b	0.22
Serine	26.1^a	26.6^a	21.4^c	27.3^a	24.0^b	0.27
Glutamic acid	86.8^a	89.1^a	71.3^b	91.6^a	79.2^b	1.10
Glycine	21.7^ab	22.1^a	17.7^c	22.9^a	20.2^b	0.24
Alanine	21.0^ab	21.5^a	17.2^c	21.9^a	19.8^b	0.24
Valine	21.3^a	21.9^a	17.4^b	22.1^a	20.2^a	0.30
Methionine	3.9^ab	4.1^a	3.6^b	4.0^ab	3.6^b	0.06
Isoleucine	23.9^ab	24.5^a	19.8^c	24.9^a	22.4^b	0.30
Leucine	36.6^ab	37.5^a	30.2^c	38.9^a	34.5^b	0.43
Tyrosine	15.2^a	15.6^a	13.3^b	16.1^a	14.6^ab	0.22
Phenylalanine	25.4^ab	25.9^a	21.0^c	26.2^a	23.4^bc	0.34
Histidine	11.6^a	11.9^a	9.9^b	11.7^a	11.2^a	0.15
Lysine	33.8^ab	34.1^ab	27.7^c	37.6^a	31.8^bc	0.60
Arginine	32.6^ab	32.9^a	27.9^c	33.2^a	30.3^bc	0.36
Total amino acids	433^ab	442^a	359^c	453^a	404^b	4.8
Amino acids, g/kg CP	899	903	928	901	897	4.8
Available lysine	28.2^ab	28.1^ab	23.8^c	29.8^a	26.3^bc	0.38
Available lysine, g/kg total lysine	840	825	863	794	830	15

Within a row, products not sharing a common superscript are significantly different (P < 0.05)
C-sSBM, solvent SBM made in China; C-eSBM, expanded SBM made in China; C-ff-eSB, full-fat expanded soybeans made in China; US-sSBM, United States solvent SBM; US-meSBM, United States mechanically extracted SBM; FA, fatty acids; CP, crude protein
¹ All values reported as g/kg of dry matter, except where indicated otherwise
² Standard error of the mean for n = 14. To obtain SEM for n = 5, multiply by 1.67; to obtain SEM for n = 2 multiply by 2.65

ISSN: 2049-1891