Table 2. Growth performance of exposed low ambient temperature as affected by different AME concentration in diets

Items	Dietary ME concentrations (kcal/kg)					SEM1)	p-value
	2,950	3,000	3,050	3,100	3,150		Linear	Quadratic
Initial BW (g/bird)	1,089.0	1,089.5	1,089.3	1,089.0	1,089.9
Final BW (g/bird)	3,271.2c	3,384.2c	3,451.2b	3,483.4ab	3,523.4a	68.57	0.008	0.492
BW gain (g/bird)	2,182.2c	2,294.7c	2,361.9b	2,394.6ab	2,433.5a	68.85	0.009	0.491
Feed intake (g/bird)	5,890.3a	5,781.7ab	5,623.1bc	5,609.0bc	5,585.6c	62.16	<0.001	0.202
Feed conversion ratio	2.71a	2.53ab	2.39bc	2.35bc	2.30c	0.080	<0.001	0.268

Data are least squares means of 4 observations per treatment.
Pooled error of mean.
Means with the different superscripts differ significantly (p < 0.05).
AME, apparent metabolizable energy.