Import notifications (2012 – 2020) - Chemical causes
| Causes | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | Total |
|---|---|---|---|---|---|---|---|---|---|---|
| Enrofloxacine | 36 | 18 | 5 | 15 | 13 | 11 | 7 | 8 | 8 | 121 |
| Furazolidone | 10 | 7 | 16 | 13 | 9 | 12 | 6 | 5 | 5 | 83 |
| Ethoxyquin | 39 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 55 |
| Chloramphenicol | 14 | 5 | 4 | 8 | 5 | 2 | 1 | 1 | 0 | 40 |
| Prometryn | 13 | 5 | 7 | 5 | 1 | 0 | 0 | 2 | 3 | 36 |
| Sulfur dioxide | 0 | 0 | 1 | 2 | 1 | 1 | 7 | 4 | 5 | 21 |
| Sodium sulfite | 6 | 1 | 3 | 7 | 0 | 0 | 0 | 0 | 0 | 17 |
| Tetracycline | 2 | 1 | 10 | 0 | 0 | 3 | 0 | 1 | 0 | 17 |
| Polysorbate | 4 | 3 | 2 | 3 | 0 | 1 | 0 | 0 | 2 | 15 |
| Cyclamic acid | 2 | 6 | 0 | 1 | 0 | 0 | 1 | 0 | 3 | 13 |
| Sulfadiazine | 0 | 0 | 0 | 1 | 6 | 3 | 1 | 0 | 0 | 11 |
| Carbon monoxide | 0 | 0 | 1 | 1 | 3 | 1 | 0 | 0 | 1 | 7 |
| NO2 | 1 | 1 | 3 | 1 | 0 | 0 | 1 | 0 | 0 | 7 |
| Sulphametoxazole | 3 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 6 |
| Trifluralin | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 |
| Benzalkonium chloride | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
| Additives | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 4 |
| Dieldrin | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
| Difenoconazole | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
| Leucomalachite green | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 4 |
| Benzoic acid | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 4 |
| Sodium benzoate | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 3 |
| Sorbic acid | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 |
| Boric acid | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Fenitrothion | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 |
| Irradiation | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 |
| Orange II | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2 |
| Acetic acid | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Aflatoxin | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Chlorpyriphos | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Endosulfan | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Methanol | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Methylene blue | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 |
| Ofloxacine | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Pendimethalin | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 |
| Potassium sorbic acid | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Rhodamine | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Sodium nitrite | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| TBHQ | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Total | 140 | 78 | 68 | 59 | 42 | 36 | 24 | 27 | 32 | 506 |
Source: MHLW