Table 5.

ATTD (%) of GE, DM, OM, and NDF, and concentration of DE and ME in wheat middlings and red dog¹

Item	Red dog	Wheat middlings, source												Wheat middlings2			Red dog vs. wheat middlings3
		1	2	3	4	5	6	7	8	9	10	Mean4	SD4	SEM	LSD	P-value	SEM	P-value
ATTD of GE, %	79.3	68.6	68.1	66.4	66.0	61.9	69.7	68.1	70.3	67.2	65.5	67.2	2.42	0.91	2.5	<0.001	1.10	<0.001
ATTD of DM, %	82.9	70.4	71.3	73.4	68.7	69.3	71.3	73.6	72.2	72.4	68.9	71.2	1.80	0.81	2.22	<0.001	0.90	<0.001
ATTD of OM, %	86.6	72.3	72.8	74.6	70.1	70.9	73.0	75.6	74.1	74.9	70.5	72.9	1.93	0.79	2.18	<0.001	0.90	<0.001
ATTD of NDF, %	58.7	48.9	51.7	59.9	52.7	54.3	45.4	60.4	55.7	50.2	51.0	53.0	4.71	1.38	3.79	<0.001	2.00	<0.001
DE, kcal/ kg	3,050	2,674	2,576	2,644	2,561	2,353	2,844	2,725	2,801	2,733	2,626	2,654	140	37	103	<0.001	44.2	<0.001
DE, kcal/ kg, DM basis	3,408	3,104	2,933	2,956	2,847	2,637	3,185	3,070	3,182	3,052	2,933	2,990	167	42	116	<0.001	49.7	<0.001
ME, kcal/ kg	2,945	2,600	2,473	2,570	2,482	2,272	2,729	2,632	2,751	2,631	2,537	2,568	139	48	131	<0.001	53.5	<0.001
ME, kcal/ kg, DM basis	3,292	3,018	2,816	2,874	2,759	2,547	3,056	2,966	3,126	2,938	2,833	2,893	167	54	147	<0.001	60.3	<0.001

¹Values are least square means of eight observations per treatment.

²Comparison among the 10 sources of wheat middlings.

³Comparison of red dog vs. the 10 sources of wheat middlings.

⁴Mean and SD for the 10 sources of wheat middlings.