Table 4
Least square means and standard errors for carcass characteristics of the MSU Duroc × Pietrain F₂ resource population separated by IGFBP2 genotypes

Traits	Number	Genotypes
		AA	AB	BB
Off-farm body weight, kg	408	114.16 ± 2.31	112.78 ± 1.06	113.09 ± 1.06
Hot carcass weight, kg	408	82.56 ± 1.78	82.25 ± 0.79	82.58 ± 0.78
Dressing percent	408	72.30 ± 0.49	72.94 ± 0.22	72.96 ± 0.22
Carcass length, cm	408	78.32 ± 0.58	78.54 ± 0.22	78.62 ± 0.22
First-rib backfat, mm	372	40.35 ± 1.84	41.50 ± 0.99	41.03 ± 0.97
10th-rib backfat, mm	433	24.08 ± 1.53	24.33 ± 0.65	23.94 ± 0.63
Last-rib backfat, mm	408	28.93 ± 1.58	28.75 ± 0.88	28.76 ± 0.87
Last-lumbar vertebra backfat, mm	408	22.30 ± 1.58	22.52 ± 0.71	22.53 ± 0.71
LMA at 10th rib, cm2	404	39.33 ± 1.06	40.37 ± 0.34	40.73 ± 0.32
Number of ribs in carcass	298	15.08 ± 0.17	14.84 ± 0.06	14.87 ± 0.05
Ham weight, kg	408	9.93 ± 0.13	9.75 ± 0.06	9.81 ± 0.06
Loin weight, kg	408	8.27 ± 0.17	8.24 ± 0.09	8.31 ± 0.09
Boston shoulder weight, kg	408	3.78 ± 0.12	3.80 ± 0.09	3.81 ± 0.09
Picnic shoulder weight, kg	408	3.81 ± 0.12	3.87 ± 0.10	3.89 ± 0.10
Belly weight, kg	408	5.09 ± 0.10	5.05 ± 0.05	5.04 ± 0.05
Spareribs weight, kg	408	1.49 ± 0.04	1.50 ± 0.02	1.50 ± 0.02