Table 3. Comparison of the effects of zinc oxide and zinc aspartic acid chelate on apparent total tract digestibility in weaning pigs

Items (%)	CON	TRT1	TRT2	SEM	p-value
Dry matter	80.13	80.82	81.40	0.58	0.710
Nitrogen	78.69	78.95	79.00	0.54	0.974
Energy	79.36	79.92	79.95	0.28	0.677

CON, basal diet; TRT1, basal diet + 3000 ppm ZnO; TRT2, basal diet + 750 ppm Zn-Asp.
Means in the equivalent row show the superscripts differ (p < 0.05).