Table 4.

Effects of organic acids and phytase supplementation on histomorphology of jejunum of broilers at 42^nd day

Treatments		Villus height (µm)	Villus width ( µm)	Crypt depth (µm)	Epithelium thickness (µm)	Number of Goblet cells	Villus height / Crypt depth ratio
Vinegar (%)	0.00	1196	150	160	217	1038	7.47
	2.00	1147	149	157	214	1059	7.30
Citric acid (%)	0.00	1170	146	161	218	1057	7.26
	2.00	1173	152	156	213	1040	7.52
Phytase (FTU)	0.00	1155	147	159	212	1021b	7.26
	500	1188	150	157	218	1076a	7.57
Standard Error		23.00	2.00	2.00	2.00	11.00	0.16
p-value
Vinegar		0.16	0.77	0.34	0.45	0.32	0.47
Citric acid		0.94	0.12	0.12	0.19	0.44	0.32
Phytase		0.35	0.35	0.42	0.07	0.01	0.18
Vinegar × Citric		0.28	0.39	0.46	0.03	0.48	0.54
Vinegar × Phytase		0.14	0.45	0.19	0.20	0.04	0.05
Citric × Phytase		0.36	0.70	0.79	0.17	0.22	0.32
Vinegar × Citric × Phytase		0.31	0.45	0.23	0.92	0.66	0.12

^ab Different superscript letters within a column indicate significant differences at p ˂ 0 .05.