Table 5.

Jejunum morphology and the ratio of Ki-67 positive cells to total cells in the crypt of pigs fed diets with xylanase (Xyl) and protease (Pro) supplementation.

Item	Treatment				SEM	P-value
	Xyl−		Xyl+
	Pro−	Pro+	Pro−	Pro+		Xyl	Pro	Xyl + Pro
Villus height, μm	422.1	474.1	456.3	512.5	21.4	0.092	0.014	0.919
Villus width, μm	97.1	98.1	101.6	97.0	3.9	0.649	0.624	0.439
Crypt depth, μm	238	202	220	176	9	0.019	<0.001	0.695
VH:CD ratio1	1.77	2.38	2.12	2.94	0.12	<0.001	<0.001	0.346
Ki-67 positive, %2	23.3	18.3	19.7	15.5	1.4	0.011	<0.001	0.739

¹Villus height to crypt depth ratio.

²Ratio of Ki-67 positive cells to total cells in the crypt.