Table 1.
The number of registered pigs by age group and farms in the electronic treatment journal per year (2018–2021). The numbers of farms using antimicrobials are given in brackets.
| Age Group | 2018 | 2019 | 2020 | 2021 |
|---|---|---|---|---|
| Suckling piglets (n) | 1’317’592 | 1’584’680 | 1’912’505 | 2’327’035 |
| Weaners (n) | 1’132’360 | 1’361’430 | 1’639’831 | 1’996’143 |
| Fattening pigs (n) | 858’294 | 1’095’041 | 1’606’793 | 2’032’961 |
| Lactating sows (n) | 14’762 | 17’869 | 22’900 | 28’259 |
| Gestating sows (n) | 38’437 | 46’060 | 58’984 | 71’638 |
| Farms (n) | 1213 (1160) | 1526 (1480) | 2339 (2225) | 3539 (3288) |