The effect of dietary tryptophan levels on oxidative stress of liver induced by diquat in weaned piglets

Table 2 Effects of dietary tryptophan levels and diquat injection on the growth performance of the weaned piglets

Item	- diquat			+ diquat			SEM	P
	Trp 0.18%	Trp 0.30%	Trp 0.45%	Trp 0.18%	Trp 0.30%	Trp 0.45%		Trp	diquat	Trp × diquat
1-7 d (n = 12)
ADG, g	227	287	278				28	0.09
ADFI, g	378	400	409				21	0.08
Feed efficiency, g feed/g gain	1.74^a	1.43^b	1.48^b				0.12	< 0.05
8-14 d (n = 6)
ADG, g	288^ab	346^a	336^a	141^c	224^abc	170^bc	42	0.27	< 0.05	0.88
ADFI, g	460^ab	518^a	512^a	317^c	427^abc	368^bc	43	0.17	< 0.05	0.79
Feed efficiency, g feed/g gain	1.72^b	1.58^b	1.58^b	2.50^a	2.04^ab	2.22^ab	0.21	0.35	< 0.05	0.76

+diquat, intraperitoneal injection diquat; − diquat, intraperitoneal injection of sterile 0.9% NaCl solution; Trp 0.18%, dietary tryptophan level 0.18%; Trp 0.30%, dietary tryptophan level 0.30%; Trp 0.45%, dietary tryptophan level 0.45%; ADG, average daily weight gain; ADFI, average daily feed intake.
^{a, b, c}Mean values with unlike superscript letters were significantly different (P < 0.05).
(Mean values with their pooled standard errors).

ISSN: 2049-1891