| Group | Compound | Day 0 | Day 28 | Difference of weight (kg) |
| Average weight/group | Average weight/group | |||
| 1 | KiroGard | 73.5 (12.2) | 76 (12.6) | 2.5 |
| 2 | Kirogard-M | 63.5 (10.5) | 69 (11.5) | 5.5 |
| 3 | Frontline | 38 (6.3) | 39 (6.5) | 1 |
| 4 | Frontline Plus | 106 (17.6) | 106.5 (17.7) | 7.5 |
| 5 | Untreated control | 40.5 (6.7) | 36 (6.0) | 4.5 |