Dietary Macleaya cordata extract supplementation improves the growth performance and gut health of broiler chickens with necrotic enteritis

Table 3 Effects of dietary Macleaya cordata extract on growth performance of broiler chickens with necrotic enteritis

NE¹	MCE², mg/kg	BW, g			BWG, g		FI, g		FCR		d 13–30 mortality rate, %
NE¹	MCE², mg/kg	d 13	d 24	d 30	d 13–24	d 24–30	d 13–24	d 24–30	d 13–24	d 24–30	d 13–30 mortality rate, %
−	0	490	1161^a	1,565^b	670^a	405^b	1006^a	743^b	1.51^b	1.91^a	1.92^b
−	350	489	1178^a	1,644^a	688^a	467^b	978^ab	783^ab	1.42^b	1.70^ab	0.00^b
+	0	499	971^b	1,413^d	472^b	442^b	950^b	804^a	2.03^a	1.88^a	8.65^a
+	350	495	954^b	1,492^c	459^b	538^a	939^b	813^a	2.05^a	1.52^b	1.92^b
SEM³		3.84	7.26	13.7	7.13	13.5	8.38	9.15	0.0252	0.0633	0.608
Main-effect
NE	−	489	1,162	1,594	673	431	987	769	1.47	1.87	0.64
NE	+	488	937	1,449	449	508	959	799	2.16	1.62	5.13
MCE	0	495	1,066	1,489	571	423	978	774	1.77	1.89	5.29
MCE	350	492	1,066	1,568	574	503	958	798	1.74	1.61	0.96
P-value
NE		0.207	< 0.001	< 0.001	< 0.001	0.077	0.024	0.037	< 0.001	0.388	0.005
MCE		0.981	0.439	0.003	0.424	0.001	0.049	0.149	0.897	0.008	< 0.001
NE × MCE		0.845	0.237	0.820	0.193	0.386	0.724	0.328	0.174	0.424	0.048

^a-cDifferent letters in the shoulder markers in the table indicate significant differences between groups (P < 0.05)
Number of replicates for each indicator is 6
¹NE: Necrotic enteritis
²MCE: Macleaya cordata extract
³SEM: Standard error of mean

ISSN: 2049-1891