Table 4. The efficacy of bait (0.005% fipronil) in reducing the flea index of Xenopsylla gerbili minax.
| Study Period: Study Days (Date Range) | Control | Treatment | |||||
|---|---|---|---|---|---|---|---|
| No. Gerbils Sampled | Infestation Rate (%) | Flea Index1 (+SD) | No. Gerbils Sampled | Infestation Rate (%) | Flea Index1 (+SD) | Efficacy (%) | |
| Pre-treatment (June 1-June 15) | 6 | 100 | 5.2 (+6.3) | 6 | 100 | 3.2 (+3.1) | - |
| Treatment: Day 0-Day 5 (June 16-June21) | 7 | 100 | 11 (+7.5) | 5 | 0 | 0 | 100* |
| Post-treatment 1: Day 6-Day 43 (June 22-July 29) | 14 | 100 | 16.9 (+10.8) | 10 | 0 | 0 | 100* |
| Post-treatment 2: Day 79-Day 80 (September 3-September 4) | 4 | 100 | 3.8 (+3.3) | 4 | 0 | 0 | 100* |
1Flea Index = mean number of Xenopsylla gerbili minax per captured gerbil.
*Exceeds recommended flea efficacy of >90% [73]