Effect of Dietary Supplementation of Organic Acids on Performance, Intestinal Histomorphology, and Serum Biochemistry of Broiler Chicken

Table 3

Effect of organic acid supplementation on histomorphology of small intestines of broiler chicken.

Parameter	Treatment Groups							Sig.
	T1	T2	T3	T4	T5	T6	T7
Duodenum ( $\mu$m)
Villus height	1166.8$8^{\text{a}}$ ± 56.32	1252.5$1^{\text{ac}}$ ± 29.83	1410.3$8^{\text{bc}}$ ± 46.41	1237.8$4^{\text{ac}}$ ± 24.85	1378.0$5^{\text{bc}}$ ± 20.55	1161.4$0^{\text{a}}$ ± 30.85	1321.6$1^{\text{c}}$ ± 38.53	*
Crypt depth	175.48 ± 29.95	178.20 ± 3.12	169.16 ± 11.11	165.71 ± 7.17	174.81 ± 22.45	180.76 ± 1.93	179.23 ± 25.61	NS
Muscularis thickness	186.21 ± 13.71	169.66 ± 9.49	158.65 ± 10.87	172.11 ± 9.21	153.14 ± 12.11	179.69 ± 8.88	181.71 ± 16.88	NS
Jejunum ( $\mu$m)
Villus height	984.0$5^{\text{a}}$ ± 25.77	1117.2$8^{\text{b}}$ ± 27.41	1124.7$2^{\text{c}}$ ± 28.40	1106.7$5^{\text{b}}$ ± 31.01	1256.9$4^{\text{c}}$ ± 48.08	1074.$2^{\text{b}}$ ± 13.03	1212.9$5^{\text{c}}$ ± 21.88	*
Crypt depth	157.83 ± 27.18	157.20 ± 24.03	163.04 ± 7.90	151.73 ± 23.25	150.31 ± 13.00	166.78 ± 15.16	144.05 ± 13.76	NS
Muscularis thickness	163.45 ± 19.65	153.81 ± 7.14	145.31 ± 7.31	151.52 ± 18.58	150.32 ± 9.35	146.27 ± 13.11	139.66 ± 12.90	NS
Ileum ( $\mu$m)
Villus height	676.13 ± 49.03	739.17 ± 46.15	876.32 ± 22.37	898.85 ± 103.8	841.0 ± 29.46	749.19 ± 46.68	863.71 ± 66.42	NS
Crypt depth	152.16 ± 17.96	159.84 ± 10.95	148.27 ± 4.50	147.19 ± 5.07	155.81 ± 13.04	152.87 ± 10.81	151.65 ± 6.41	NS
Muscularis thickness	156.40 ± 15.38	132.95 ± 22.10	122.79 ± 7.54	146.85 ± 16.19	130.95 ± 21.23	149.52 ± 22.44	140.90 ± 18.73	NS

*Means within the same row with different superscripts are significantly different ($P\mathrm{\hspace{0.17em}\hspace{0.17em}}\le .05$), NS: Non significant.