TABLE 1.

Effects of fecal microbiota transplantation in sows and/or dietary supplementation of inulin in offspring for 42 days postweaning on pig growth performance and carcass traits^a

Parameterb	Sow effectc				Offspring effectd
	Mean value for group		SEM	P value	Mean value for group		SEM	P value
	Control	FMTp			Control	Inulin
Wt (kg)
Birth	1.50	1.30	0.893	0.85	1.39	1.41	0.898	0.99
Weaning	9.1	7.5	0.89	0.18	8.3	8.3	0.90	0.97
Day 100	90.5	82.7	0.89	<0.001	86.3	87.0	0.90	0.41
Day 140	104.4	95.5	0.89	<0.001	99.6	100.3	0.90	0.59
ADFI (g/day)	1,999	1,930	29.8	0.13	1,963	1,965	27.4	0.96
ADG (g/day)	819	814	11.1	0.63	816	817	10.2	0.93
FCE (g/g)	2.38	2.34	0.055	0.63	2.35	2.37	0.051	0.77
RFI (g/day), days 35–140	19.5	−17.4	10.96	0.05	−0.07	2.19	11.25	0.88
Carcass traits
Wt (kg)	80.5	73.5	1.15	0.01	76.6	77.5	1.15	0.54
Kill-out yield (%)	76.6	77.3	0.45	0.25	76.9	77.0	0.44	0.83
Fat depth (mm)	13.6	13.8	0.29	0.36	13.9	13.5	0.28	0.41
Muscle depth (mm)	52.8	53.2	0.51	0.05	53.0	53.0	0.49	0.92
Lean meat yield (%)	56.6	56.5	0.25	0.93	56.4	56.7	0.25	0.47

^aADFI, average daily feed intake (between weaning and day ∼140 of age); ADG, average daily gain (between weaning and day ∼140 of age); FCE, feed conversion efficiency (between weaning and day ∼140 of age); RFI, residual feed intake.

^bLeast-square means and pooled standard errors of the means are presented. Parameters in boldface type depict a significant sow-offspring interaction (details are given in Table S1 in the supplemental material). Days correspond to days of age.

^cn = 11 for the control group, and n = 11 for the FMT procedure (FMTp) group.

^dn = 62 for the control group, and n = 59 for the group that received inulin for the first 6 weeks postweaning.