Tannic acid prevents post-weaning diarrhea by improving intestinal barrier integrity and function in weaned piglets

Table 4 Effects of tannic acid (TA) on diarrhea rate, diarrhea index and diarrhea score in weaned piglets

Item	Added tannic acid, %			SEM	P-value
	0	0.2	1.0	SEM	ANOVA	Linear	Quadratic
0 to 14 d
Diarrhea rate, %	19.4^a	13.0^ab	8.7^b	2.46	0.035	0.013	0.413
Diarrhea index	0.5	0.3	0.2	0.07	0.076	0.034	0.335
Diarrhea score	14	11	8	0.42	0.061	0.024	0.409
15 to 28 d
Diarrhea rate, %	16.8^a	10.2^a	2.9^b	1.99	0.0004	0.0001	0.392
Diarrhea index	0.4^a	0.2^a	0.1^b	0.05	0.001	0.0003	0.516
Diarrhea score	11^a	9^a	3^b	0.28	0.001	0.0002	0.628
0 to 28 d
Diarrhea rate, %	18.1^a	11.6^a	5.8^b	2.05	0.004	0.001	0.353
Diarrhea index	0.4^a	0.3^ab	0.1^b	0.05	0.009	0.003	0.354
Diarrhea score	13^a	10^ab	5^b	0.31	0.008	0.003	0.452

CON, piglets receiving a basal diet; CON + 0.2% TA, piglets receiving a basal diet supplemented with 0.2% TA; CON + 1.0% TA, piglets receiving a basal diet supplemented with 1.0% TA
^a,bMean values with unlike superscript letters were significantly different (P < 0.05)

ISSN: 2049-1891