Table 1.
List of farms in which Trichinella spp. infected pigs were discovered between 2012 and 2020. The table includes information about geolocation, prevalence, number of rats collected on the farm, number of infected rats and species identification of larvae.
| No. | Year | Farm Location | Province | No of Pig in a Herd | No of Infected Pig | Prevalence | No of Collected Rats | No of Infected Rats | Access to Natural Environment | Species of Trichinella |
|---|---|---|---|---|---|---|---|---|---|---|
| 1. | 2012 | Oleszno | wielkopolska | 40 | 2 | 5 | None | None | Yes | T. spiralis |
| 2. | 2013 | Jeziora Wielkie | kujawsko- pomorskie |
36 | 18 | 50 | 56 | 17 | Yes | T. spiralis |
| 3. | 2013 | Sliwowo- Łopienite |
podlaskie | 83 | 24 | 28.9 | 14 | 1 | Yes | T. spiralis |
| 4. | 2013 | Elbląg | warmińsko- mazurskie |
Nd | 1 | Nd | Nd | Nd | Nd | T. britovi |
| 5. | 2013 | Gniezno | wielkopolska | Nd | 1 | Nd | Nd | Nd | Nd | T. britovi |
| 6. | 2013 | Damasławek | wielkopolska | Nd | 1 | Nd | Nd | Nd | Nd | T. spiralis |
| 7. | 2013 | Kościan | wielkopolska | Nd | 1 | Nd | Nd | Nd | Nd | T. spiralis |
| 8. | 2013 | Pyrzyce | zachodnio- pomorskie |
Nd | 1 | Nd | Nd | Nd | Nd | T. spiralis |
| 9. | 2014 | Rzadkwin | kujawsko- pomorskie |
Nd | 1 | Nd | Nd | Nd | Nd | T. spiralis |
| 10. | 2014 | Kwidzyń | pomorskie | Nd | 1 | Nd | Nd | Nd | Nd | T. spiralis |
| 11. | 2014 | Kalisz | wielkopolska | Nd | 1 | Nd | Nd | Nd | Nd | T. spiralis |
| 12. | 2014 | Rynowo | zachodnio- pomorskie |
20 | 11 | 55 | 21 | 3 | Yes | T. spiralis |
| 13. | 2015 | Tczew | pomorskie | Nd | 1 | Nd | Nd | Nd | Nd | T. spiralis |
| 14. | 2015 | Oborniki | wielkopolska | Nd | 1 | Nd | Nd | Nd | Nd | T. britovi |
| 15. | 2015 | Piotrkowice | wielkopolska | 32 | 2 | 6.25 | 10 | None | Yes | T. spiralis |
| 16. | 2015 | Szamotuły | wielkopolska | Nd | 1 | Nd | Nd | Nd | Nd | T. spiralis |
| 17. | 2016 | Namysłów | opolskie | Nd | 1 | Nd | Nd | Nd | Nd | T. spiralis |
| 18. | 2016 | Elbląg | warmińsko- mazurskie |
Nd | 1 | Nd | Nd | Nd | Nd | T. spiralis |
| 19. | 2016 | Choszczno | zachodnio- pomorskie |
Nd | 1 | Nd | Nd | Nd | Nd | T. spiralis |
| 20. | 2016 | Łobez | zachodnio- pomorskie |
Nd | 1 | Nd | Nd | Nd | Nd | T. spiralis |
| 21. | 2017 | Tczew | pomorskie | Nd | 1 | Nd | Nd | Nd | Nd | T. spiralis |
| 22. | 2017 | Pelplin | pomorskie | 366 | 11 | 3 | 50 | None | Yes | T. spiralis |
| 23. | 2017 | Bielsko-Biała | śląskie | Nd | 1 | Nd | Nd | Nd | Nd | T. britovi |
| 24. | 2017 | Sławno | zachodnio- pomorskie |
Nd | 1 | Nd | Nd | Nd | Nd | T. spiralis |
| 25. | 2018 | Małkowo | pomorskie | 101 | 47 | 46.5 | None | None | No | T. spiralis |
| 26. | 2018 | Dziećmiarki | wielkopolska | 800 | 3 | 0.38 | None | None | No | T. spiralis |
| 27. | 2019 | Nowy Tomyśl | wielkopolska | 2 | 2 | 100 | 3 | 3 | Yes | T. spiralis |
| 28. | 2019 | Chodzież | wielkopolska | 343 | 18 | 5.2 | 7 | None | Nd | T. spiralis |
| 29. | 2020 | Wschowa | lubuskie | 52 | 6 | 11.5 | Nd | Nd | Nd | T. spiralis |
| 30. | 2020 | Rosiny | zachodnio- pomorskie |
115 | 10 | 8.9 | Nd | Nd | No | T. spiralis |
Nd—No data.