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

Table 4 The effects of dietary nucleotide supplementation on blood profiles 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
Lymphocyte, %	23.54	25.38	26.81	27.06	1.66	0.15	0.48	0.77
RBC, 10⁶/μL	6.66	6.68	6.55	6.82	0.24	0.94	0.68	0.50
WBC, 10³/μL	17.74	19.40	18.60	18.33	1.48	0.55	0.61	0.89
IgG, mg/dL	162.50	173.63	177.63	176.75	5.74	0.05	0.70	0.73
IgA, mg/dL	41.75	43.50	44.88	44.00	0.55	0.001	0.52	0.11
IgM, mg/dL	6.10	7.40	7.60	8.00	0.60	0.04	0.46	0.93
d 21
Lymphocyte, %	35.53	38.66	38.98	36.98	1.62	0.17	0.47	0.57
RBC, 10⁶/μL	5.82	6.53	5.96	6.26	0.11	0.003	0.10	0.01
WBC, 10³/μL	15.45	17.76	18.10	19.19	0.66	0.001	0.14	0.65
IgG, mg/dL	184.38	205.25	240.13	225.50	5.31	<0.0001	0.01	0.001
IgA, mg/dL	42.25	42.75	44.13	43.25	0.65	0.15	0.59	0.17
IgM, mg/dL	6.10	8.00	8.60	8.60	0.50	0.001	0.39	0.62
d 42
Lymphocyte, %	34.65	40.51	39.88	42.13	3.12	0.10	0.72	0.71
RBC, 10⁶/μL	6.91	6.48	6.53	6.50	0.21	0.11	0.97	0.88
WBC, 10³/μL	22.41	22.94	23.64	24.32	1.31	0.43	0.46	0.99
IgG, mg/dL	348.25	367.88	365.50	420.88	28.59	0.28	0.20	0.42
IgA, mg/dL	41.38	42.25	42.38	45.75	1.12	0.12	0.04	0.25
IgM, mg/dL	11.10	13.40	14.00	15.50	1.20	0.03	0.22	0.76

^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