Treatment | Southern Germany [1] | Northern Germany [28] | United Kingdom [29] | France [30] |
---|---|---|---|---|
Placebo animals (n = 2728) | 2.80 ± 0.03 (n = 654) | 2.87 ± 0.03 (n = 706) | 2.42 ± 0.02 (n = 657) | 2.56 ± 0.02 (n = 711) |
Vaccinated animals (n = 2835) | 2.83 ± 0.03 (n = 677) | 2.86 ± 0.03 (n = 718) | 2.39 ± 0.02 (n = 718) | 2.60 ± 0.02 (n = 722) |