Table 1 Cumulative average daily gain (ADG), average daily feed intake (ADFI), feed conversion ratio (FCR) per week of 140 weaned piglets (21 days) supplied with or without an organic acid (OA) blend in the drinking water and with full or reduced medication program in the feed

Live weight

12.5^a

12.8^a

13.5^b

0.24

<0.001

<0.001

0.008

ADG

0.228^a

0.238^a

0.265^b

0.009

<0.001

0.008

0.008

ADFI

0.40

0.40

0.39

0.024

0.738

0.497

0.229

FCR

1.76^a

1.70^a

1.46^b

0.073

0.001

0.520

0.113

Mortality

0

3

3

Morbidity

3

4

9

Total Mortality + Morbidity

3^a

7^ab

12^b