Table 2.

Effects of green LED light during incubation and dietary macro and trace mineral sources during rearing on body weight, feed intake, FCR (corrected for mortality), and mortality at different ages of male broiler chickens.

Parameter	Incubation		Macro minerals		Trace minerals		SEM	P-values
	Darkness	Green	Inorganic	Organic	Inorganic	Organic		Incubation	Macro minerals	Trace minerals
Body weight day 0	42.7	42.6	42.6	42.6	42.6	42.6	0.11	0.43	0.98	0.97
Body weight day 10	305b	316a	307b	313a	312	309	2	<0.001	0.02	0.20
Body weight day 21	949	958	945	962	938b	969a	10	0.56	0.24	0.03
Body weight day 28	1,476	1,515	1,471b	1,520a	1,469b	1,523a	18	0.13	0.05	0.03
Body weight day 35	2,243	2,294	2,236b	2,302a	2,248	2,290	18	0.06	0.02	0.11
Body weight day 42	2,901b	2,994a	2,910b	2,984a	2,918	2,977	23	0.005	0.03	0.08
Feed intake day 0–10	280	278	281	278	281	277	3	0.48	0.33	0.29
Feed intake day 11–28	1,764a	1,738b	1,761	1,741	1,754	1,748	8	0.04	0.10	0.62
Feed intake day 29–42	2,504	2,523	2,525	2,502	2,544b	2,483a	26	0.24	0.18	<0.001
FCR day 0–10	1.07b	1.02a	1.06b	1.03a	1.05	1.05	0.02	0.004	0.03	0.88
FCR day 11–28	1.50	1.47	1.50	1.47	1.50	1.47	0.02	0.18	0.25	0.19
FCR day 29–42	1.72	1.67	1.71	1.68	1.73a	1.66b	0.03	0.09	0.33	0.02
FCR day 0–42	1.57a	1.51b	1.56a	1.51b	1.57a	1.51b	0.01	0.004	0.008	0.002
Corrected FCR day 0–421	1.60a	1.52b	1.60a	1.53b	1.60a	1.53b	0.02	0.004	0.02	0.006
Mortality	4.6	5.6	4.6	5.6	5.8	4.6	0.02	0.42	0.43	0.31

^a,b Values within a row and factor lacking a common superscript differ (P ≤ 0.05).

Abbreviations: BW, average body weight of all chickens per treatment; CFCR, corrected FCR; FCR, feed conversion ratio; LED, light emitting diode.

¹CFCR was calculated as: CFCR = FCR + (3,000 − BW)/3,333.