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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