The impact of vitamin E and/or selenium dietary supplementation on growth parameters and expression levels of the growth-related genes in broilers

Table 1 Effect of dietary vitamin E and/or selenium supplementation on the body weight (g) of broilers

Groups Items	Control	Vit. E	Se	Vit. E + Se
Initial weight (g)	47.47±0.48	47.60±1.29	47.33±0.87	48.13±1.50
1 week	140.53±1.63 ^c	152.00±1.15 ^b	150.00±2.31^b	160.00±2.89 ^a
2 weeks	334.27±1.33^d	384.00±2.00^b	352.00±1.15^c	420.67±2.91^a
3 weeks	679.07±1.75^d	737.33±0.88^b	724.33±2.33^c	747.1±1.76^a
4 weeks	1095.87±2.31^d	1196.67±2.40^b	1185.00±2.89 ^c	1276.67±3.33^a
5 weeks	1682.27±1.19^d	1850.00±2.89 ^b	1721.33±1.86 ^c	1890.00±2.89^a

Values are means ± standard error. Mean values with different letters at the same row significantly at (P≤0.05). Vit. E= group supplemented with vitamin E; Se= group supplemented with selenium; Vit. E + Se=group supplemented with vitamin E and selenium

ISSN: 1746-6148