Table 2 Data per week with or without additives, with or without reducing antibiotics; Live weight, 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

6.2

6.1

6.0

0.37

0.893

0.266

0.809

6.5

6.5

6.7

0.08

0.074

<0.001

0.294

8.0^a

8.1^ab

8.3^b

0.12

0.026

<0.001

0.086

9.8^a

10.0^a

10.3^b

0.22

0.043

<0.001

0.188

12.5^a

12.8^a

13.5^b

0.24

<0.001

<0.001

0.008

0.052

0.056

0.076

0.012

0.081

0.073

0.310

0.16

0.16

0.17

0.014

0.458

0.200

0.747

3.51^a

3.04^ab

2.48^b

0.398

0.043

0.073

0.032

0.218

0.220

0.232

0.010

0.182

0.003

0.108

0.33

0.33

0.32

0.020

0.941

0.180

0.513

1.53

1.49

1.40

0.079

0.151

<0.001

0.296

0.266

0.282

0.298

0.018

0.145

<0.001

0.399

0.48

0.48

0.45

0.032

0.467

0.780

0.144

1.84

1.73

1.54

0.115

0.059

<0.001

0.508

0.403^a

0.419^a

0.478^b

0.018

<0.001

0.003

0.015

0.64

0.67

0.63

0.041

0.475

0.256

0.145

1.62^a

1.62^a

1.31^b

0.081

0.001

0.022

0.099