Table 3.

The jejunal and ileal morphology in the suckling and weaned piglets

Items	Day age				Day post-weaning				SEM	P-value
Items	1	7	14	21	1	3	5	7	SEM	P-value
Jejunum
Villus height, μm	397.50	386.75	282.93	295.70	305.55	263.13	261.60	320.63	15.04	0.143
Crypt depth, μm	171.13	220.35	248.63	195.93	151.78	202.33	166.20	194.55	17.31	0.924
Villus height : Crypt depth	2.32^a	1.76^ab	1.14^b	1.51^b	2.01^a	1.30^b	1.57^b	1.65^b	0.06	0.042
Goblet cell number	8.50^c	11.50^b	13.00^b	20.75^a	16.75^ab	8.75^c	16.75^ab	14.50^b	1.10	0.045
Lymphocyte number	99.25^b	144.25^ab	146.50^ab	152.00^ab	159.50^ab	167.25^ab	192.50^a	151.25^ab	1.76	0.037
Ileum
Villus height, μm	428.58^a	269.13^b	273.53^b	272.10^b	260.80^b	208.70^c	243.50^bc	267.05^b	4.32	0.017
Crypt depth, μm	179.15	129.18	138.03	144.43	134.60	168.23	161.75	137.33	7.39	0.665
Villus height : Crypt depth	2.39^a	2.08^ab	1.98^b	1.88^b	1.94^b	1.24^c	1.51^c	1.94^b	0.04	0.041
Goblet cell number	27.25	29.00	22.25	33.00	19.50	24.75	23.50	33.00	1.41	0.129
Lymphocyte number	192.25	282.50	195.00	147.75	187.25	203.25	200.75	177.25	12.39	0.307

¹The jejunum and ileum tissues were obtained from 1, 7, 14, 21-d-old suckling piglets and piglets on d 1, 3, 5, 7 post-weaning at 14 d of age

² n = 8. ^a-cValues with different letters within the same row are different (P < 0.05)