Response to an Escherichia coli K88 oral challenge and productivity of weanling pigs receiving a dietary nucleotides supplement

Table 3 Effect of dietary nucleotide supplementation on nutrient digestibility of weaned pigs (Exp. 1)^a

Item, %	CON	R150	R220	R275	SEM^b	Contrast^c
Item, %	CON	R150	R220	R275	SEM^b	1	2	3
d 7
Dry matter	82.48	84.07	84.37	86.24	0.79	0.02	0.07	0.43
Nitrogen	81.53	82.35	82.46	82.40	2.68	0.78	0.99	0.98
Energy	83.05	85.55	85.86	86.32	0.83	0.01	0.52	0.94
d 21
Dry matter	82.60	83.83	85.02	85.05	1.49	0.26	0.57	0.75
Nitrogen	81.56	83.01	82.77	82.82	1.03	0.29	0.90	0.91
Energy	80.91	82.72	84.43	84.43	0.87	0.01	0.18	0.44
d 42
Dry matter	80.71	83.91	85.60	83.70	0.97	0.01	0.88	0.15
Nitrogen	81.69	84.89	84.85	84.21	1.02	0.02	0.64	0.82
Energy	82.89	834.16	83.76	83.07	0.84	0.44	0.37	0.88

^aAbbreviation: CON basal diet, R150 basal diet + nucleotides 150 mg/kg, R220 basal diet + nucleotides 220 mg/kg, R275 basal diet + nucleotides 275 mg/kg
^bStandard error mean
^cContrast: 1) CON vs. mean of nucleotide groups; 2) R150 vs. R275; 3) R220 vs. mean of R150 and R275

ISSN: 2049-1891