Table 4.

Relative organ weight of weaned piglets

Items	Ctrl	Mel	P-value
LDM weight, g/kg	7.92 ± 0.61	10.67 ± 0.35	0.018
Eye muscle area of LDM, cm2	16.62 ± 0.63	18.00 ± 0.25	0.001
Liver weight, g/kg	25.89 ± 1.44	21.88 ± 0.71	0.037
Kidney weight, g/kg	4.82 ± 0.33	4.86 ± 0.27	0.921
Spleen weight, g/kg	2.27 ± 0.20	2.09 ± 0.24	0.584

Ctrl, control; Mel, melatonin; BW, body weight; LDM, longissimus dorsi muscle.