Table 4. Results of the second order polynomial regression for specific growth rate (SGR), total feed intake (TFI) and feed conversion ratio (FCR).

Dependent variable	Quadratic component	p-value	Linear component	p-value	Constant	p-value	R-square
SGR	−0.044	<0.001	1.99	<0.001	−19.5	0.002	0.89
TFI	−1.111	0.006	50.0	0.007	−498	0.012	0.77
FCR	0.0828	0.003	−3.77	0.003	48.0	0.002	0.82