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Table 1 Descriptive statistics of phenotypic data

From: Genome-wide association study reveals novel loci associated with body size and carcass yields in Pekin ducks

Trait type Trait Mean ± S.D. Max Min
Body size Neck length (NL, cm) 20.3 ± 1.2 23.5 17.5
Fossil bone length (FBL, cm) 14.1 ± 0.7 16 12
Breast width (BrW, cm) 10.7 ± 0.5 12.6 9.3
Carcass yield Dressed weight (DW, kg) 2.7 ± 0 .2 3.4 2.1
Dressed percentage (DP, %) 87.1 ± 1.8 92.6 83.2
Eviscerated weight (EW, kg) 2.3 ± 0.2 2.8 1.7
Eviscerated weight percentage (EWP, %) 73.4 ± 1.9 90.5 63.1
Half-eviscerated weight (HEW, kg) 2.4 ± 0.2 3.0 1.8
Percentage of half-eviscerated yield (HEWP, %) 77.9 ± 1.9 96.0 66.7
42-day body weight (BW42, kg) 3.1 ± 0.3 3.9 2.4
Internal organs Heart weight (HW, g) 17 ± 2.8 28 9.5
Liver weight (LW, g) 69.5 ± 9.7 120.6 42.6
Cut Foot weight (FW, g) 66 ± 7.3 91.6 45.5
Wing weight (WW, g) 111.7 ± 9.7 141.8 81
Breast muscle weight (BMW, g) 238.2 ± 36.8 399 134
Breast muscle weight percentage (BMWP, %) 10.5 ± 1.2 16.4 7.1
Leg muscle weight (LMW, kg) 234 ± 86.9 456 123
Leg muscle weight percentage (LMWP, %) 10.4 ± 3.8 37.3 11.7