Table 9.

Hindgut disappearance of nutrients and energy in pigs fed high and low soybean meal diets after PRRSV infection

Parameter	HSBM−	HSBM+	LSBM−	LSBM+	SEM	P-value1
						PRRS	Diet	PRRS × Diet
Complete diet
5 to 8 dpi
DM, g/d	244	312	158	197	19.7	0.014	<0.001	0.462
N, g/d	3.93	4.94	1.22	1.28	0.83	0.293	<0.001	0.353
GE, Mcal/d	0.84	1.05	0.48	0.65	0.08	0.026	<0.001	0.771
16 to 19 dpi
DM, g/d	286	219	196	172	50.1	0.100	0.023	0.417
N, g/d	4.89	2.79	1.45	1.96	1.43	0.491	0.082	0.266
GE, Mcal/d	1.01	0.70	0.64	0.56	0.19	0.114	0.051	0.339
Nitrogen-free diet	Control	PRRS	SEM	P-value
5 to 8 dpi
DM, g/d	57	151	40.8	0.129
N, g/d	0.97	−0.66	1.17	0.345
GE, Mcal/d	0.18	0.23	0.13	0.787
16 to 19 dpi
DM, g/d	44	98	41.0	0.374
N, g/d	1.96	1.46	1.57	0.824
GE, Mcal/d	0.12	0.27	0.17	0.523

HSBM−, LSBM− = high soybean meal (HSBM), low soybean meal (LSBM) without PRRS; HSBM+, LSBM+ = high soybean meal (HSBM), low soybean meal (LSBM) with PRRS; dpi = days post inoculation; PRRSV = porcine reproductive and respiratory syndrome virus.

¹Main effect of diet, PRRS, and interaction of PRRS × diet.