Table 1.

Phenotypic data for FL and LL chickens

	1 wk	3 wk	5 wk	7 wk	9 wk	11 wk
Body weight, g
FL	115 ± 4.0	544 ± 21	1,297 ± 37*	1,983 ± 36	2,693 ± 91	3,222 ± 154
LL	123 ± 3.0	551 ± 16	1,204 ± 21*	1,964 ± 40	2,787 ± 53	3,281 ± 302
Abdominal fat, g
FL	0.5 ± 0.1	13 ± 1.0*	38 ± 2.0*	88 ± 3.0*	124 ± 8.0*	150 ± 20*
LL	0.4 ± 0.1	5 ± 0.5*	15 ± 2.0*	31 ± 2.0*	54 ± 8.0*	59 ± 10*
Abdominal fat:body weight, %
FL	0.4 ± 0.1	2.3 ± 0.1*	2.9 ± 0.2*	4.4 ± 0.2*	4.6 ± 0.3*	4.6 ± 0.5*
LL	0.3 ± 0.1	1.0 ± 0.1*	1.2 ± 0.1*	1.6 ± 0.1*	1.9 ± 0.3*	1.8 ± 0.3*

Values are means ± SE for n = 8 chickens at ages of 1–11 wk.

^*P < 0.05 in a 1-way ANOVA comparing fat (FL) and lean (LL) lines of the same age.