Table 1.

Growth curve models adopted in the study and related parameters.

Model	Equation	Parameters	Wi	Day at Inflection	Maximum Daily Gain
Logistic	${\mathrm{W}}_{\mathrm{t}}=\frac{\mathrm{A}}{1+\mathrm{B}exp\left(-\mathrm{Kt}\right)}$	A, B, K	A/2	(lnB)/K	$\frac{\mathrm{KWi}}{2}$
Gompertz	${\mathrm{W}}_{\mathrm{t}}=\mathrm{Aexp}\left(-\mathrm{B}exp\left(-\mathrm{Kt}\right)\right)$	A, B, K	A/e	(lnB)/K	KWi
Von Bertalanffy	${\mathrm{W}}_{\mathrm{t}}=\mathrm{A}{\left(1-\mathrm{B}exp\left(-\mathrm{Kt}\right)\right)}^3$	A, B, K	8A/27	(ln3B)/K	$\frac{3\mathrm{KWi}}{2}$
Richards	${\mathrm{W}}_{\mathrm{t}}=\frac{\mathrm{A}}{{\left(1+\mathrm{B}exp\left(-\mathrm{Kt}\right)\right)}^{\frac{1}{\mathrm{m}}}}$	A, B, K, m	$\frac{\mathrm{A}}{{\left(\mathrm{m}+1\right)}^{\frac{1}{\mathrm{m}}}}$	$\frac{-\ln (\mathrm{m}/\mathrm{B})}{\mathrm{K}}$	$\frac{\mathrm{AK}}{2\left(\mathrm{m}+2\right)}$

Note: W_t—body weight in kg at the time t; t—age in days; A, B, K and m—specific parameters in the function; Wi—Weight of inflection; e—Euler number.