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

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

Item Added tannic acid, % SEM P-value
  0 0.2 1.0 ANOVA Linear Quadratic
0 to 14 d
 Diarrhea rate, % 19.4a 13.0ab 8.7b 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, % 16.8a 10.2a 2.9b 1.99 0.0004 0.0001 0.392
 Diarrhea index 0.4a 0.2a 0.1b 0.05 0.001 0.0003 0.516
 Diarrhea score 11a 9a 3b 0.28 0.001 0.0002 0.628
0 to 28 d
 Diarrhea rate, % 18.1a 11.6a 5.8b 2.05 0.004 0.001 0.353
 Diarrhea index 0.4a 0.3ab 0.1b 0.05 0.009 0.003 0.354
 Diarrhea score 13a 10ab 5b 0.31 0.008 0.003 0.452
  1. 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
  2. a,bMean values with unlike superscript letters were significantly different (P < 0.05)