Effects of garlic and lemon essential oils on performance, digestibility, plasma metabolite, and intestinal health in broilers under environmental heat stress

Table 1 Effect of dietary supplementation of essential oils on the performance of broilers at 35 days of age

	CON	GEO	LEO	GLO	SEM	P- value
Growth performance
0–14 day
ABW (g)	351	348	357	353	1.094	0.306
AFI (g)	386	379	385	384	0.988	0.197
FCR	1.10	1.09	1.08	1.09	0.027	0.240
15–28 day
ABW (g)	832^b	853^ab	869^ab	891^a	3.421	0.011
AFI (g)	1376^b	1401^ab	1429^a	1452^a	8.133	0.026
FCR	1.654^b	1.641^b	1.642^b	1.628^a	0.080	0.040
29–35 day
ABW (g)	559^c	608^b	635^a	632^a	5.217	0.018
AFI (g)	1412	1405	1423	1391	13.08	0.165
FCR	2.526^a	2.311^b	2.233^b	2.201^c	1.006	0.001
0–35 day
ABW (g)	1740^c	1811^b	1862^a	1875^a	15.16	< 0.001
AFI (g)	3171^b	3184^b	3233^a	3224^a	29.07	0.038
FCR	1.821^a	1.760^b	1.737^bc	1.718^c	0.921	< 0.001
Mortality (%)	7.50	5.83	5.00	5.00	-	-
EPEF	252	277	290	296	-	-
Carcass characteristics
Dressing	74.15^c	75.36^b	75.54^b	77.80^a	2.611	0.017
Liver	3.04	2.97	3.11	3.07	0.305	0.708
Abd. fat	2.57^a	2.39^a	2.45^a	2.03^b	1.244	0.022

Different superscript letters in the same row indicate significant differences (p < .05)
CON Control group, GEO Garlic essential oil group, LEO Lemon essential oil group, GLO Garlic with lemon essential oil group, ABW Average body weight, AFI Average feed intake, FCR Feed conversion ratio, EPEF European Production Efficiency Factor, Abd. Fat; Abdominal fat

ISSN: 1746-6148