. 2020 Mar 19;10(3):513. doi: 10.3390/ani10030513

Table 2.

Performance mean (±SEM) of Ross 308 broilers at finisher period (29–42 days) of age fed diets containing 0, 1, 2, and 3% thyme (T3) and sumac in the diet powders from days 29–42.

	Feed Intake (g/d)	Weight Gain (g/d)	Feed Conversion Ratio (g/g) ^†	Energy Intake (kcal/d)	Energy Efficiency (kcal/g) ^‡	Protein Intake (g/d)	Protein Efficiency (g/g) ^‡
Treatment	Feed Intake (g/d)	Weight Gain (g/d)	Feed Conversion Ratio (g/g) ^†	Energy Intake (kcal/d)	Energy Efficiency (kcal/g) ^‡	Protein Intake (g/d)	Protein Efficiency (g/g) ^‡
Control	187.6^a*	86.5	2.17	591^a	6.85	39.4^a	0.46
1% Thyme (T1)	189.0^a	88.6	2.14	595^a	6.73	39.7^a	0.45
2% Thyme (T2)	176.8^c	85.6	2.07	557^c	6.51	37.1^c	0.43
3% Thyme (T3)	184.1^ab	88.0	2.09	580^ab	6.59	38.7^bc	0.44
1% Sumac (S1)	176.8^c	85.2	2.08	557^c	6.54	37.1^c	0.43
2% Sumac (S2)	179.1^bc	84.6	2.12	564^bc	6.67	37.6^bc	0.44
3% Sumac (S3)	175.4^c	86.4	2.04	553^c	6.42	36.8^c	0.43
Standard Error of Mean	5.96	0.37	0.92	5.96	0.92	5.96	0.922
p-Value	0.001	0.89	0.50	0.001	0.50	0.001	0.50

^* In columns with superscripts, means without a common superscript differ significantly at p < 0.05; ^† feed intake/weight gain; ^‡ energy or protein intake/weight gain.