Table 5.

Estimates of genetic correlations (r²a ± standard error) between robustness traits (R1, R2, and R3), area between curves, and production traits for Piétrain NN line (Pie NN)

Trait1	R1	R2	R3	ABC
R1		0.41 ± 0.302	0.25 ± 0.322	−0.21 ± 0.382
R2	0.41 ± 0.302		0.95 ± 0.042	−0.03 ± 0.332
ABC	−0.21 ± 0.382	−0.03 ± 0.332	−0.10 ± 0.312
IBW	−0.02 ± 0.232	0.89 ± 0.142	0.78 ± 0.152	−0.23 ± 0.192
ADG	0.31 ± 0.253	0.86 ± 0.113	0.76 ± 0.143	0.01 ± 0.263
FCR	0.21 ± 0.313	0.51 ± 0.253	0.42 ± 0.263	0.08 ± 0.313
DFI	0.32 ± 0.252	0.91 ± 0.072	0.81 ± 0.152	−0.02 ± 0.162
RFI	0.15 ± 0.352	0.09 ± 0.252	−0.05 ± 0.312	0.19 ± 0.332
BF100	0.35 ± 0.203	0.44 ± 0.253	0.23 ± 0.213	−0.05 ± 0.253
LD100	0.14 ± 0.243	0.11 ± 0.213	0.42 ± 0.263	0.08 ± 0.313

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 six-trait multiple trait model (ADG, FCR, BF100, LD100, and the two traits under consideration).

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