. 2020 Oct 10;10(10):1844. doi: 10.3390/ani10101844

Table 3.

Effects of thyme essential oil on the productive performance of male rabbits.

Items	Treatments (T)					SEM ³	P value
Items	NC ¹	PC ²	60 mg	120 mg	180 mg	SEM ³	T ⁴	Lin ⁵	Quad ⁶
Body weight, g
70 d	1255	1259	1258	1249	1253	6	0.614	0.882	0.263
100 d	1700 ^d	1751 ^c	1807 ^b	1819 ^a	1835 ^a	14	<0.001	0.003	0.303
130 d	2288 ^d	2354 ^c	2428 ^b	2441 ^a	2469 ^a	21	<0.001	<0.001	0.053
Daily body weight gain, g
70–100 d	14.85 ^d	16.40 ^c	18.33 ^b	19.02 ^ab	19.41 ^a	0.22	<0.001	<0.001	< 0.001
100–130 d	19.59	20.10	20.67	20.71	21.14	0.38	0.076	0.006	0.640
70–130 d	17.22 ^b	18.25 ^b	19.50 ^a	19.87 ^a	20.28 ^a	0.25	<0.001	<0.001	0.033
Daily feed intake, g
70–100 d	54.46 ^c	55.43 ^c	57.64 ^b	58.61 ^ab	59.65 ^a	0.51	<0.001	<0.001	0.574
100–130 d	65.20	62.77	63.04	64.48	64.71	0.64	0.053	0.719	0.013
70–130 d	59.83 ^c	59.10 ^c	60.34 ^bc	61.54 ^ab	62.18 ^a	0.43	<0.001	<0.001	0.110
Feed conversion ratio
70–100 d	3.67 ^a	3.38 ^b	3.15 ^c	3.08 ^c	3.07 ^c	0.048	0.001	<0.001	<0.001
100–130 d	3.33 ^a	3.13 ^b	3.05 ^b	3.12 ^b	3.06 ^b	0.056	0.014	0.006	0.046
70–130 d	3.48 ^a	3.24 ^b	3.09 ^c	3.09 ^c	3.07 ^c	0.042	0.001	<0.001	0.002

^a–d Means within a row with different superscripts differ significantly at P < 0.05. ¹ NC: basal diet as a negative control. ² PC: a basal diet was supplemented with an antibiotic as a positive control. ³ SEM: standard error of means. ⁴ T: NC, PC, and thyme essential oil treatments. ^5,6 Lin and Quad: linear and quadratic responses, respectively, to thyme essential oil inclusion level considering NC (0 mg/kg thyme essential oil) as a control; PC was not included in this analysis.