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. 2022 May 31;9(6):263. doi: 10.3390/vetsci9060263

Table 4.

Genetic correlations (standard error) in the KKU1 (above diagonal) and KKU2 (below diagonal) chickens.

Traits BW0 BW2 BW4 BW6 BrC6 ADG0–2 ADG0–4 ADG0–6
BW0 - 0.39 (0.05) 0.29 (0.05) 0.25 (0.03) 0.32 (0.04) 0.25 (0.02) 0.24 (0.02) 0.28 (0.03)
BW2 0.34 (0.04) - 0.93 (0.01) 0.89 (0.00) 0.81 (0.04) 0.79 (0.00) 0.69 (0.03) 0.67 (0.03)
BW4 0.25 (0.04) 0.88 (0.01) - 0.95 (0.00) 0.96 (0.01) 0.90 (0.02) 0.94 (0.01) 0.92 (0.08)
BW6 0.22 (0.04) 0.85 (0.02) 0.95 (0.01) - 0.95 (0.02) 0.91 (0.01) 0.94 (0.02) 0.97 (0.09)
BrC6 0.23 (0.00) 0.78 (0.06) 0.80 (0.06) 0.92 (0.03) - 0.82 (0.02) 0.90 (0.00) 0.96 (0.01)
ADG0–2 0.25 (0.01) 0.72 (0.01) 0.88 (0.05) 0.85 (0.05) 0.76 (0.02) - 0.80 (0.01) 0.89 (0.01)
ADG0–4 0.24 (0.01) 0.69 (0.05) 0.95 (0.01) 0.91 (0.04) 0.83 (0.02) 0.71 (0.02) - 0.93 (0.02)
ADG0–6 0.21 (0.01) 0.64 (0.05) 0.92 (0.05) 0.95 (0.01) 0.97 (0.01) 0.76 (0.02) 0.87 (0.01) -

BW0 = birth weight (g); BW2, BW4, and BW6 = body weight at 2, 4, and 6 weeks of age (g), respectively; BrC6 = breast circumference at 6 weeks of age (cm); ADG0–2, ADG0–4, and ADG0–6 = average daily gain at 0–2, 0–4, and 0–6 weeks of age, respectively; KKU1 = crossbred chicken between commercial broiler and Thai indigenous synthetic chickens (Kaimook e-san1); KKU2 = crossbred chicken between Kaimook e-san2 and Kaimook e-san1 (both of which are Thai indigenous synthetic chickens).