Table 3.

Estimates of heritability (h²), fattening group effect ratio (b²), common litter effect (c²), and phenotypic variance (Vp) for the traits recorded (± standard error) for each line¹

Trait2	Pie				Pie NN
	h²	b²	c²	Vp	h²	b²	c²	Vp
R13	0.03 ± 0.01	0.02 ± 0.01	0.03 ± 0.01	0.054 ± 0.001	0.06 ± 0.03	0.04 ± 0.01	0.06 ± 0.02	0.045 ± 0.002
R23	0.09 ± 0.02	0.03 ± 0.01	0.03 ± 0.01	0.157 ± 0.004	0.08 ± 0.03	0.02 ± 0.01	0.06 ± 0.02	0.162 ± 0.005
R33	0.05 ± 0.02	0.07 ± 0.02	0.07 ± 0.01	0.590 ± 0.016	0.07 ± 0.03	0.03 ± 0.01	0.07 ± 0.02	0.648 ± 0.021
ABC3,4	0.09 ± 0.03	0.06 ± 0.02	0.16 ± 0.02	4.95 × 108 ± 1.59 × 107	0.06 ± 0.02	0.05 ± 0.02		6.20 × 108 ± 2.36 × 107
IBW3	0.34 ± 0.05	0.18 ± 0.04	0.13 ± 0.02	36.38 ± 1.88	0.33 ± 0.06	0.20 ± 0.04	0.16 ± 0.03	34.88 ± 2.17
ADG4	0.21 ± 0.04	0.13 ± 0.03	0.07 ± 0.02	10,694 ± 462	0.32 ± 0.06	0.11 ± 0.03	0.08 ± 0.03	12,274 ± 623
FCR4	0.23 ± 0.04	0.15 ± 0.03	0.04 ± 0.01	0.034 ± 0.002	0.15 ± 0.04	0.13 ± 0.03		0.037 ± 0.002
DFI3	0.29 ± 0.05	0.16 ± 0.04	0.08 ± 0.02	73,364 ± 3,661	0.31 ± 0.07	0.16 ± 0.04	0.08 ± 0.03	87,972 ± 5,299
RFI3	0.19 ± 0.04	0.16 ± 0.04	0.06 ± 0.02	23,575 ± 1,159	0.13 ± 0.04	0.12 ± 0.03		26,363 ± 1301
BF1004	0.31 ± 0.04	0.12 ± 0.03	0.05 ± 0.02	0.624 ± 0.027	0.29 ± 0.06	0.12 ± 0.03	0.07 ± 0.03	0.717 ± 0.037
LD1004	0.17 ± 0.03	0.43 ± 0.06	0.03 ± 0.01	31.47 ± 3.54	0.25 ± 0.05	0.38 ± 0.07	0.03 ± 0.02	28.45 ± 3.08

Pie, Piétrain Français; Pie NN, Piétrain NN Français free from halothane-sensitivity.

IBW, initial body weight; TBW, testing body weight; ADG, average daily gain; FCR, feed conversion ratio; DFI, average daily feed intake; RFI, residual feed intake; BF100, backfat thickness estimated at 100 kg live weight; LD100, longissimus dorsi thickness estimated at 100 kg live weight; ABC, resilience index.

Estimates from a five-trait multiple trait model (ADG, FCR, BF100, LD100, and the trait under consideration).

Estimates from a four-trait multiple trait model (ADG, FCR, BF100, and LD100).