| Local government area | Sun drying | Oven drying | Drying over fire | Salt solution | Refrigeration |
| Aguata | 44.05 | 43.45 | 0 | 0 | 12.5 |
| Awka-North | 74.53 | 3.64 | 3.64 | 3.64 | 14.55 |
| Anambra East | 76.67 | 3.33 | 0 | 0 | 20 |
| Dunukofia | 76.74 | 0 | 0 | 0 | 23.26 |
| Idemili South | 78.79 | 0 | 0 | 0 | 21.21 |
| Idemili North | 90 | 0 | 0 | 0 | 10 |
| Njikoka | 79.59 | 0 | 0 | 0 | 20.41 |
| Nnewi South | 89.19 | 0 | 0 | 0 | 10.81 |
| Nnewi North | 76.32 | 5.26 | 0 | 0 | 18.42 |
| Ogbaru | 77.78 | 0 | 0 | 0 | 22.22 |
| Onitsha South | 90.91 | 0 | 0 | 0 | 9.09 |