Table 2.

Effect of lighting time on the behavior of Yellow-footed chickens

	LD	LL	P-value	T-value	df
Open field test
First step time, s	60.11 ± 12.71	198.80 ± 12.72	0.00	−5.80	65.18
Grid number, n	31.37 ± 3.30	4.88 ± 1.51	0.00	7.30	51.96
Defacation, n	69.05 ± 7.25	13.70 ± 3.83	0.00	6.75	56.35
Steps, n	1.87 ± 0.82	0.83 ± 0.14	0.00	4.52	71.10
Escape, n	2.68 ± 0.49	0.28 ± 0.16	0.00	4.67	44.82
Tweet, n	247.26 ± 21.07	54.40 ± 13.41	0.00	7.72	63.22
Balance test
Time_stayed, s	96.32 ± 5.35	117.70 ± 1.66	0.00	−3.81	44.08
Distance _moved, cm	9.95 ± 1.87	0.83 ± 0.37	0.00	4.77	39.94
Tonic immobility test
Immobility time, s	113.08 ± 15.88	222.32 ± 17.62	0.00	−4.61	75.54

Data are presented as means ± SEM; LD, n = 39; LL, n = 40

Raw data of behavioral test were showed in Additional file 1