Table 4.

Effects of green LED light during incubation and dietary macro and trace mineral sources during rearing on gait score at day 27, 34, and 39 of age in male broiler chickens (n = 2 chickens per pen; 9 pens per treatment; LSMeans).

Parameter	Incubation		Macro minerals		Trace minerals		SEM	P-values
	Darkness	Green	Inorganic	Organic	Inorganic	Organic		Incubation	Macro minerals	Trace minerals
Gait score day 271	2.27	2.27	2.28	2.28	2.25	2.27	0.05	0.85	0.92	0.81
Gait score day 341	2.26b	2.45a	2.35	2.38	2.33	2.44	0.06	0.02	0.71	0.15
Gait score day 391	2.70b	3.01a	2.90	2.81	2.85	2.82	0.07	0.001	0.36	0.88

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

Abbreviation: LED, light emitting diode.

¹Method of Kestin et al. (1992), scored within a range of 0 (normal locomotion) to 5 (unable to stand).