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 |