. 2018 Apr 24;96(6):2265–2277. doi: 10.1093/jas/sky149

Table 6.

Apparent total tract digestibility (ATTD) of DM, OM, CP, AEE, NDF, ADF, TDF, IDF, and SDF in ingredients

Item, %	Ingredient¹										Pooled SEM	P value
Item, %	Corn	Wheat	SBM	CM	DDGS	CGM	CE	SBP	SF	Pectin	Pooled SEM	P value
DM	88.8^a	90.3^a	89.9^a	65.5^c	70.0^c	78.0^b	80.7^b	79.0^b	35.7^d	89.6^a	2.69	<0.01
OM	90.7^a	92.0^a	90.8^a	69.2^c	70.7^c	79.7^b	81.8^b	81.9^b	37.1^d	91.2^a	2.69	<0.01
CP	78.6^bcd	89.4^ab	91.6^a	76.4^cd	81.1^abc	63.9^e	67.4^de	6.0^f	—	—	4.57	<0.01
AEE²	32.3^c	59.3^b	−30.0^d	54.0^b	59.6^b	50.7^b	84.0^a	56.4^b	—	—	7.15	<0.01
NDF	50.8^bc	71.9^ab	81.2^a	38.7^c	72.8^a	80.5^a	82.7^a	81.2^a	45.0^c	—	8.04	<0.01
ADF	60.3^cd	60.2^cd	109.7^a	70.0^bcd	75.2^bcd	70.4^bcd	78.4^bc	85.9^b	57.8^d	—	7.72	<0.01
TDF³	55.8^de	61.5^d	93.6^a	52.7^e	53.8^e	77.9^c	82.2^bc	86.0^b	40.8^f	87.1^ab	2.84	<0.01
IDF³	53.5^c	59.8^c	81.8^ab	53.0^c	56.7^c	78.4^b	82.3^ab	87.7^a	42.9^d	—	2.99	<0.01
SDF³	97.5	95.6	98.1	78.2	−16.6	94.4	99.9	70.4	—	97.8	53.05	0.77
Cellulose	65.2^e	62.7^e	107.0^a	64.9^e	77.0^cd	72.2^de	83.0^bc	89.3^b	71.9^de	—	4.16	<0.01
Ins. Hemi⁴	41.8^a	74.4^a	−409.8^c	−183.9^b	76.0^a	88.9^a	82.8^a	77.5^a	39.4^a	—	47.08	<0.01
NSP⁵	57.0^c	62.0^c	92.8^a	43.3^d	55.3^c	79.8^b	83.5^ab	89.1^ab	45.1^d	92.2^a	3.84	<0.01
Ins. NSP⁶	54.4^cd	60.2^c	80.4^b	43.5^e	58.3^c	80.0^b	83.9^ab	91.2^a	47.2^de	—	4.07	<0.01
NC NSP⁷	53.6^cd	61.7^bc	80.9^ab	19.9^e	48.6^cd	81.9^a	86.1^a	89.5^a	35.1^de	99.3^a	7.28	<0.01

^a–fMeans within a row lacking a common superscript letter differ (P < 0.05).

¹SBM = soybean meal; CM = canola meal; DDGS = distillers dried grains with solubles; CGM = corn germ meal; CE = copra expellers; SBP = sugar beet pulp; SF = synthetic cellulose.

²AEE = acid hydrolyzed ether extract.

³TDF = total dietary fiber; IDF = insoluble dietary fiber; SDF = soluble dietary fiber.

⁴Ins. Hemi = insoluble hemicelluloses.

⁵NSP = nonstarch polysaccharides.

⁶Ins. NSP = insoluble nonstarch polysaccharides.

⁷NC NSP = noncellulosic nonstarch polysaccharides.