Effect of small peptide chelated iron on growth performance, immunity and intestinal health in weaned pigs

Table 5 Effect of SPCI on digestive enzyme activities in the intestinal mucosa (U/mgprot)¹

ITEM						SEM	P-value
ITEM	T1	T2	T3	T4	T5	SEM	ANOVA	Linear	quadratic
Duodenum
Lactase	2.53^c	2.56^c	7.18^a	4.72^b	3.84^bc	0.36	< 0.01	0.06	0.14
Sucrase	10.38^b	12.32^ab	13.11^ab	16.02^a	6.14^c	0.86	< 0.01	0.10	< 0.01
Maltase	12.57^b	15.14^b	19.95^a	16.41^ab	14.14^b	0.69	< 0.01	0.18	0.18
Jejunum
Lactase	40.41^b	32.92^bc	63.10^a	30.67^bc	22.50^c	3.22	< 0.01	0.23	0.34
Sucrase	6.01^b	5.50^b	15.83^a	14.45^a	5.90^b	1.17	< 0.01	0.29	0.45
Maltase	36.63^ab	30.40^ab	49.91^a	32.77^b	23.50^b	2.68	0.02	0.39	0.70
Ileum
Lactase	1.13^ab	1.69^a	1.62^a	0.77^b	1.12^ab	0.11	0.02	0.80	0.77
Sucrase	24.77	19.88	31.52	22.40	18.59	2.00	0.32	0.61	0.61
Maltase	23.96^c	65.76^a	62.05^a	41.48^b	28.14^bc	3.75	< 0.01	0.61	< 0.01

¹Mean and total SEM are list in Separate columns (n = 6)
²T1, control (basal diet); T2, the basal diet containing 50 mg/kg SPCI ; T3, the basal diet containing 75 mg/kg SPCI ; T4, the basal diet containing 100 mg/kg SPCI; T5, the basal diet containing 125 mg/kg SPCI.
^a-c Means in the same row with no common superscripts differ significantly (P < 0.05)

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