Table 6.
Estimation of regression equations of body weight on age in new synthetic Korean native commercial chickens.

Strain Equation1) Female Male
FHFY Reg.1 y=27.18x-80.78 (R2=0.9618) y=34.84x-160.04 (R2=0.9639)
Reg.2 y=0.075x2+20.88x-7.29 (R2=0.9661) y=0.151x2+22.12x-11.62(R2=0.9746)
FHHY Reg.1 y=27.58x-96.10 (R2=0.9585) y=34.75x-168.86 (R2=0.9459)
Reg.2 y=0.106x2+18.72x+7.33(R2=0.9667) y=0.167x2+20.75x-5.49(R2=0.9587)
HFFY Reg.1 y=27.26x-99.49 (R2=0.9652) y=34.39x-173.48 (R2=0.9452)
Reg.2 y=0.099x2+18.97x-2.80(R2=0.9726) y=0.178x2+19.42x+1.14(R2=0.9601)
HFHY Reg.1 y=26.32x-70.17 (R2=0.9596) y=34.33x-161.10 (R2=0.9460)
Reg.2 y=0.072x2+20.23x+0.87(R2=0.9639) y=0.161x2+20.78x-3.06(R2=0.9583)
Reg.1, linear regression equation; Reg.2, quadratic regression equation.