Table 3 Effect of supplementing AGP, feed enzymes (ENZ) or yeast extract (YE) without or with ENZ on growth performance of weaned piglets challenged with E. coli LPS

From: Short-term effect of supplemental yeast extract without or with feed enzymes on growth performance, immune status and gut structure of weaned pigs challenged with Escherichia coli lipopolysaccharide

		LPS treatments^c						Factorial^d			Contrast
Item^a	NCC^b	AGP	CC	YE	ENZ	YE + ENZ	SEM	Main effect YE	Main effect ENZ	YE × ENZ	NCC vs CC	AGP vs CC	AGP vs YE	AGP vs ENZ	AGP vs YE + ENZ
d 1 BW, kg	6.89	6.88	6.90	6.89	6.91	6.86	0.237	NS	NS	NS	NS	NS	NS	NS	NS
d 1 to 7
ADG, g/d	159	212	150	140	196	164	31.7	NS	NS	NS	NS	NS	NS	NS	NS
ADFI, g/d	191	225	168	160	214	172	24	NS	NS	NS	NS	NS	0.06	NS	NS
G:F, g/g	0.82	0.93	0.77	0.83	0.91	0.87	0.062	NS	NS	NS	NS	NS	NS	NS	NS
d 7 to 11
ADG, g/d	323	226	130	174	170	160	33.2	NS	NS	NS	0.001	0.07	NS	NS	NS
ADFI, g/d	366	288	214	229	264	249	29.8	NS	NS	NS	0.003	NS	NS	NS	NS
G:F, g/g	0.88	0.8	0.59	0.75	0.64	0.66	0.1	NS	NS	NS	0.07	NS	NS	NS	NS
d 1 to 11
BW, kg	9.3	9.27	8.07	8.39	8.9	8.78	0.319	NS	0.048	NS	0.02	0.02	0.04	NS	NS
ADG, g/d	241	239	112	162	192	190	27.3	NS	0.017	NS	0.004	0.004	0.03	NS	NS
ADFI, g/d	280	273	177	204	250	210	26.3	NS	NS	NS	0.02	0.03	0.06	NS	0.08
G:F, g/g	0.85	0.88	0.63	0.79	0.77	0.76	0.061	NS	NS	NS	0.02	0.01	NS	NS	NS

^a BW body weight, ADG average daily gain, ADFI average daily feed intake, G:F gain to feed ratio
^b NCC non-challenged control pigs that were fed the basal diet and injected with sterile saline on d 7
^cPigs fed the basal diet without any additive (CC challenged control) or with AGP, YE, ENZ or ENZ + YE and injected with E. coli LPS on d 7
^d P-value for LPS + ENZ × LPS + YE interaction (CC, YE, ENZ and ENZ + YE)

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