Table 6

Attributes*	Delay in post hatch feed placement					SEM	P-value
Attributes*	0 hrs (Control)	6 hrs	12 hrs	24 hrs	36 hrs	SEM	P-value
At 36 hrs post hatch
Duodenum
Villi Height (VH)	688.68^c	669.96^c	647.03^c	566.48^b	363.31^a	27.2	0.001
Villi Width (VW)	78.45^a	90.30^a	94.13^a	117.82^b	123.65^b	3.56	0.001
Ratio VH:VW	9.36d	7.11^c	6.52^c	4.90^b	2.95^a	0.49	0.001
Jejunum
Villi Height (VH)	528.85^b	446.60^a	360.39^a	375.93^a	395.94^a	15.52	0.001
Villi Width (VW)	71.74^a	72.70^a	80.28^ab	97.28^b	81.09^ab	2.61	0.006
Ratio VH:VW	7.28^b	5.82^ab	4.56^a	4.24^a	4.70^a	0.30	0.001
Ileum
Villi Height (VH)	427.38^b	429.40^b	260.04^a	277.59^a	286.82^a	15.79	0.001
Villi Width (VW)	91.82^b	85.62^b	68.59^a	65.79^a	72.07^a	2.23	0.001
Ratio VH:VW	4.64	5.22	3.39	4.51	4.01	0.23	0.109
At 7 d post hatch
Duodenum
Villi Height (VH)	1034.53^b	1022.50^b	950.93^ab	820.33^a	810.70^a	30.52	0.018
Villi Width (VW)	126.76	128.24	115.03	107.25	100.98	4.08	0.136
Ratio VH:VW	8.4	8.49	8.26	9.5	8.04	0.41	0.871
Jejunum
Villi Height (VH)	799.08^b	777.73^b	779.18^b	741.10^ab	701.58^a	10.55	0.008
Villi Width (VW)	120.63^b	119.74^b	130.98^b	65.48^a	76.46^a	4.64	0.001
Ratio VH:VW	6.71^a	6.46^a	5.99^a	11.36^c	9.13^b	0.47	0.001
Ileum
Villi Height (VH)	699.68^c	657.79^c	622.34^bc	541.68^ab	468.58^a	19.87	0.001
Villi Width (VW)	131.66^c	104.45^ab	115.13^bc	87.70^a	85.38^a	3.51	0.001
Ratio VH:VW	5.5	6.35	5.58	6.04	5.49	0.22	0.660

*Values are the mean of four observations and have been analyzed by one-way ANOVA.^a,b,c Means bearing different superscripts in a row differ significantly (P<0.05).

Table 6: Intestinal villi morphology (in micro meter) of chicks subjected to 0, 6, 12, 24 and 36 hrs delay in post hatch feed placement.