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Table 2 Mortality rate and parenteral administration of antibiotics for pigs provided with in-feed antibiotics (ABI) and for pigs without in-feed antibiotics (NOI)

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

 

Weaner stage

 

Finisher stage

 

Variables

NOI

ABI

P-value

NOI

ABI

P-value

Mortality rate%a

2.14

1.9

0.806

3.13

1.33

0.099

Injections tot %b

25

13.8

<  0.001

34.1

31.2

0.406

Injections lame%1

1.4

1.4

0.999

18.7

13.1

0.036

Injections sick%2

23.6

12.4

< 0.001

15.3

18.1

0.314

  1. a Percentage of pigs that died during weaner and finisher stages
  2. b Percentage of the animals treated based on the total number of parenteral administrations (in doses) recorded when pigs were considered systemically ill and lame, lame only1 and systemically ill only2 during weaner and finisher stages