Table 3.

Genetic parameters for feed efficiency traits, including only genetic, only microbiota, or both effects, with the 95% highest posterior density (in brackets) using microbiota at 180 d of age

	Model G		Model M		Model GM
Trait	${\mathrm{h}}^2$	DIC	${\mathrm{m}}^2$	DIC	${\mathrm{h}}^2$	${\mathrm{m}}^2$	DIC
ADG	0.40 [0.18, 0.62]	−395	0.23 [0.08, 0.41]	−354	0.31 [0.05, 0.40]	0.16 [0.05, 0.30]	−401
ADFI	0.29 [0.09, 0.53]	65	0.19 [0.06, 0.34]	85	0.21 [0.04, 0.43]	0.15 [0.04, 0.28]	63
FCR	0.21 [0.06, 0.39]	232	0.17 [0.06, 0.32]	235	0.17 [0.04, 0.34]	0.15 [0.05, 0.28]	223
BW180	0.36 [0.16, 0.57]	1,096	0.29 [0.12, 0.48]	1,122	0.26 [0.08, 0.45]	0.22 [0.08, 0.38]	1,085
RFI	0.21 [0.06, 0.40]	1.27	0.18 [0.06, 0.33]	3.75	0.16 [0.04, 0.32]	0.15 [0.05, 0.29]	−6.20
FPV	0.43 [0.23, 0.63]	1,576	0.23 [0.07, 0.40]	1,633	0.36 [0.15, 0.57]	0.14 [0.04, 0.26]	1,571
FR	0.23 [0.08, 0.39]	992	0.17 [0.05, 0.32]	1,016	0.19 [0.05, 0.34]	0.13 [0.04, 0.25]	994
NVD	0.33 [0.13, 0.54]	783	0.22 [0.08, 0.38]	806	0.26 [0.08, 0.46]	0.15 [0.05, 0.28]	772
TPV	0.42 [0.22, 0.62]	1,822	0.16 [0.06, 0.29]	1,883	0.37 [0.16, 0.58]	0.11 [0.04, 0.20]	1,821

${\mathrm{h}}^2$ , heritability;${\mathrm{m}}^2$, microbiability;${\mathrm{h}}_{\mathrm{d}}^2$, direct heritability; ADG, average daily gain; ADFI, daily feed intake; FCR, feed conversion ratio; BW180, body weight at 180 d; RFI, residual feed intake; FPV, feed intake per visit; FR, feeding rate; NVD, number of visits per day; TPV, time spent in feeding per visit; DIC, deviance information criterion.