Effect of High Dietary Tryptophan on Intestinal Morphology and Tight Junction Protein of Weaned Pig

Table 6

Plasma DAO and diamine oxidase levels.

Item	Dietary Trp supplementation
	ZTS	LTS	HTS	SEM	P value
DAO				1.81	0.006
D-lactate				0.09	0.003

Values with different letters within the same row are different (P < 0.05).
ZTS: zero Trp supplementation; LTS: low Trp supplementation; HTS: high Trp supplementation.