. 2019 Jul 17;12(7):1052–1059. doi: 10.14202/vetworld.2019.1052-1059

Table 3.

Terminal marketing body weight and carcass quality characteristics (Mean±SE) in broilers exposed to lighting regimens using different lighting colors and durations.

Light color	Photo-period L: Dhour	LBW/g	CW/g	Organs/CW ratio

				Liver %	Spleen %	Heart %	Bursa %
Red		1300^c±12.5	1007^c±11.6	1.90^a±0.04	0.05^c±0.00	0.34^c±0.01	0.12^a±0.00
Blue		2028^a±10.9	1749^a±9.1	1.98^a±0.04	0.09^a±0.00	0.47^a±0.02	0.06^b±0.00
White		1703^b±12.7	1418^b±10.3	1.68^b±0.04	0.08^b±0.01	0.40^b±0.02	0.05^b±0.00
p-value		0.002	0.000	0.000	0.000	0.000	0.096

Light’s color X lighting program

Red
	C-23:1	1382^a±17.3	1086^a±11.4	2.0^a±0.07	0.06^a±0.00	0.39^a±0.01	0.13^a±0.01
	C-18:6	1348^b±5.3	1059^a±7.2	1.7^c±0.06	0.05^b±0.00	0.31^b±0.01	0.12^b±0.01
	I-16:8	1171^c±7.7	876^b±4.9	1.9^b±0.08	0.05^b±0.00	0.30^b±0.02	0.11^c±0.01
Blue
	C-23:1	2150^a±9.7	1896^a±10.2	2.2^a±0.05	0.11^a±0.01	0.57^a±0.02	0.07^a±0.00
	C-18:6	1990^b±5.3	1712^b±6.2	2.0^b±0.05	0.09^b±0.01	0.47^b±0.03	0.06^a±0.01
	I-16:8	1944^c±3.8	1638^c±4.1	1.6^c±0.05	0.08^c±0.01	0.37^c±0.03	0.05^a±0.01
White
	C-23:1	1847^a±10.9	1568^a±9.8	1.8^a±0.06	0.08^a±0.01	0.45^a±0.03	0.06^a±0.01
	C-18:6	1657^b±5.1	1376^b±4.9	1.7^b±0.07	0.07^b±0.01	0.39^b±0.03	0.05^a±0.01
	I-16:8	1606^c±3.6	1310^b±3.2	1.5^c±0.07	0.08^a±0.01	0.35^c±0.04	0.04^a±0.01
p-value		0.000	0.000	0.002	0.068	0.005	0.006

Means carrying different superscripts in the same column are significantly different at p≤0.05 or highly significantly different at p<0.01. Means carrying the same superscripts in the same column are non-significantly different at p<0.05. L=Light hours, D=Dark hours, C=Continuous, I=Intermittent, LBW=Live body weight, CW=Carcass weight, SE=Standard error