Table 3.

Effect of dietary PQQ·Na₂ supplementation on growth performance in broiler chickens challenged with LPS.

Items	Dietary PQQ·Na2 levels, mg/kg1				SEM	P-values
	1		0
	Saline	LPS	Saline	LPS		LPS	PQQ·Na2	Interaction
Day 21
BW, g	549.5	538.6	531.4	520.6	28.85	0.805	0.631	0.788
ADG, g	24.40	24.20	24.00	23.70	1.62	0.934	0.462	0.653
ADFI, g	42.50	40.00	41.28	39.82	2.48	0.407	0.802	0.515
F/G, g/g	1.74	1.66	1.72	1.68	0.14	0.572	0.368	0.981
Day 42
BW, g	2,256	2,181	2,186	2,134	96.25	0.140	0.183	0.779
ADG, g	85.76	82.32	82.75	79.94	4.66	0.134	0.197	0.874
ADFI, g	131.7	131.8	133.6	127.0	7.56	0.332	0.591	0.317
F/G, g/g	1.54	1.61	1.61	1.59	0.10	0.610	0.523	0.294

P-values for main effect of LPS challenge, the main effect of dietary PQQ·Na₂, and the interaction between the dietary PQQ·Na₂ and LPS challenge.

Abbreviations: ADFI, average daily feed intake; ADG, average daily gain; F/G, ratio of feed to gain; LPS, lipopolysaccharide; SEM, pooled standard error of the mean.

¹PQQ•Na₂, dietary pyrroloquinoline quinone disodium supplementation; LPS, dietary treatment was injected LPS; saline, dietary treatment was injected saline.