. 2020 Aug 5;99(11):5681–5696. doi: 10.1016/j.psj.2020.07.010

Table 10.

Effect of grain drying temperature (T), particle size (P), and enzyme supplementation on nutrient digestibility at 42 D for broilers raised in floor pens (Experiment 1).

Drying T (°C)	Particle size¹	Enzyme² (g ton-1)	Apparent ileal digestibility
Drying T (°C)	Particle size¹	Enzyme² (g ton-1)	DM	CP	Starch
			-------(%)------
35			75.66	73.14	92.43
120			76.58	72.21	92.60
SEM			0.86	0.92	0.52
	Coarse		76.21	71.96	93.17
	Fine		76.04	73.39	91.86
	SEM		0.86	0.92	0.52
		0	74.59^b	69.57^b	91.57^b
		133	79.32^a	77.16^a	93.64^a
		266	74.46^b	71.29^b	92.34^a,b
		SEM	0.97	1.22	0.62
35	Coarse		75.36	73.18	92.79
120			77.06	70.73	93.55
35	Fine		75.97	73.09	92.06
120			76.11	73.69	91.66
SEM			1.07	1.46	0.71
	Coarse	0	74.74^b,c	68.11^c	92.81
		133	81.42^a	79.41^a	94.41
		266	72.46^c	68.36^c	92.29
	Fine	0	74.43^b,c	71.03^b,c	90.32
		133	77.22^a,b	74.92^a,b	92.87
		266	76.47^b,c	74.22^a,b	92.39
		SEM	1.24	1.84	0.86
35	Coarse	0	75.11	68.93	92.65
		133	81.60	80.50	94.33
		266	69.36	70.12	91.39
120		0	74.37	67.28	92.96
		133	81.24	78.32	94.50
		266	75.55	66.60	93.20
35	Fine	0	73.85	70.40	90.80
		133	78.11	75.14	93.46
		266	75.97	73.73	91.94
120		0	75.01	71.67	89.85
		133	76.34	74.69	92.28
		266	76.97	74.71	92.85
		SEM	1.66	2.67	1.20
Source of variation		--------P-values-------
Particle size			0.853	0.373	0.061
Drying T (°C)			0.307	0.566	0.795
Enzyme			<0.001	<0.001	0.049
Particle size × T (°C)			0.382	0.344	0.397
Particle size × Enzyme			0.002	0.029	0.319
T (°C) × Enzyme			0.104	0.946	0.469
Particle size × T (°C) × Enzyme			0.286	0.941	0.990

Means in a column not sharing a common superscript lowercase letter are significantly different (P < 0.05) by Student t or Tukey's test.

Values are means ± SEM of 8 pens per treatment combination with 3 male broiler chickens per pen.

Coarse corn (800–900 μm), and fine corn (400–500 μm).

Ronozyme HiStarch CT to supply 80 (133 g ton-1) and 160 (266 g ton-1) kilo-Novo alpha amylase units (KNU).