Table 2.
Equations of growth curve function for Korean native commercial chickens

Function	Equation1)
Gompertz	y t = A ⋅ e − b ⋅ e − k ⋅ t
Von Bertalanffy	yt=A(1-b•e−k•t)3
Logistic	yt=A(1-b•e−k•t)−1

y_t is the corresponding weight at time t; A, asymptotic live body weight; b, the log-function for the proportion of the asymptotic mature weight to be gain after birth; k, a constant scale that is proportional to the overall growth rate.