| FARM NO. | N | NORMAL | INCIDENCE % | CARRIER | INCIDENCE % | POSITIVE | INCIDENCE % |
| 1 | 105 | 98 | 93.33 | 7 | 6.67 | 0 | 0 |
| 2 | 4 | 4 | 100.00 | 0 | 0.00 | 0 | 0 |
| 3 | 12 | 12 | 100.00 | 0 | 0.00 | 0 | 0 |
| 4 | 51 | 51 | 100.00 | 0 | 0.00 | 0 | 0 |
| 5 | 28 | 25 | 89.29 | 3 | 10.71 | 0 | 0 |
| 6 | 105 | 96 | 91.43 | 9 | 8.57 | 0 | 0 |
| 7 | 96 | 82 | 85.42 | 14 | 14.58 | 0 | 0 |
| 8 | 115 | 114 | 99.13 | 1 | 0.87 | 0 | 0 |
| 9 | 28 | 28 | 100.00 | 0 | 0.00 | 0 | 0 |
| 10 | 33 | 33 | 100.00 | 0 | 0.00 | 0 | 0 |
| TOTAL | 577 | 543 | 94.11 | 34 | 5.89 | 0 | 0 |