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Table 1 Mean of ADWG (kg/day) ± SEM for each of the four studies analysed

From: Effect of Porcine circovirus 2 (PCV-2) maternally derived antibodies on performance and PCV-2 viremia in vaccinated piglets under field conditions

Treatment

Southern Germany [1]

Northern Germany [28]

United Kingdom [29]

France [30]

Placebo animals (n = 2728)

0.61 ± 0.01 a (n = 654)

0.65 ± 0.01 a (n = 706)

0.56 ± 0.01 a (n = 657)

0.66 ± 0.01 a (n = 711)

Vaccinated animals (n = 2835)

0.64 ± 0.01 b (n = 677)

0.67 ± 0.01 b (n = 718)

0.61 ± 0.01 b (n = 718)

0.68 ± 0.01 b (n = 722)

ADWG difference between groups (g/day)

30

20

50

20

  1. n: number of animals. a,b Different letters in the same column indicate significant differences (p < 0.05). Only the surviving animals per treatment group were used