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Table 1 Production data. Average daily gain (ADG), average daily feed intake (ADFI), feed conversion ratio (FCR) and body weight (BW) for pigs provided with in-feed antibiotics (ABI) and for pigs with no in-feed antibiotics (NOI)

From: Removing prophylactic antibiotics from pig feed: how does it affect their performance and health?

 

First weaner stagea

 

Second weaner stagea

 

Finisher stage

 

Variables

NOI

ABI

P-value

NOI

ABI

P-value

NOI

ABI

P-value

ADG g

402.2 ± 18.20

435.6 ± 13.03

0.018

711.0 ± 32.31

743.7 ± 42.58

0.774

865.4 ± 29.29

882.2 ± 29.29

0.893

ADFI g

584.6 ± 39.88

646.5 ± 28.83

0.048

1380.9 ± 29.29

1440.2 ± 60.09

0.589

1811.1 ± 31.09

1818.8 ± 36.92

0.984

FCR

1.48 ± 0.034

1.52 ± 0.032

0.483

1.95 ± 0.054

1.95 ± 0.045

0.944

2.10 ± 0.040

2.07 ± 0.038

0.853

BW Kg

21.9 ± 0.85

23.0 ± 0.70

0.032

41.4 ± 1.36

43.3 ± 1.40

0.218

99.4 ± 1.55

101.4 ± 1.91

0.483

  1. Data are presented as means ± SEM (standard error of the mean)
  2. a First and second weaner stages data has already been published in Diana et al. (2017) [11]