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Table 5 Percentage of mortality for each of the four studies analysed and for the merged data

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] Merged data
Placebo animals (%) 14 a 9 15 a 6 11 a
Vaccinated animals (%) 10 b 7 5 b 5 7 b
  1. a,b Different letters in the same column indicate significant differences (p < 0.05). Merged data refers to the grouping of animals of all the farms studied