Table 7.
Flea counts 1 h after treatment and weekly infestations (days −2, 2, 7, 14, 21 and 28) with adult Ctenocephalides felis on dogs untreated (C) or treated with a topical (DPP) or an oral (S) ectoparasiticide on day 0
| C1 | DPP1 | S1 | ||||
|---|---|---|---|---|---|---|
| Days | AM | GM | AM | GM | AM | GM |
| 0 | 72.5 | 71.8 | 61.4 | 59.3 | 64.1 | 62.8 |
| 2 | 95.3 | 95.0 | 26.1 | 17.7a | 51.5 | 49.5a, b |
| 7 | 88.4 | 87.1 | 9.0 | 5.5a | 44.5 | 41.0a, b |
| 14 | 87.8 | 87.0 | 4.5 | 2.4a | 44.8 | 42.4a, b |
| 21 | 81.8 | 81.5 | 7.9 | 2.7a | 72.0 | 70.9b |
| 28 | 79.8 | 79.4 | 14.1 | 11.4a | 70.1 | 69.0b |
C control untreated; DPP dinotefuran, pyriproxyfen, permethrin; S spinosad; AM arithmetic mean; GM geometric mean
aTreated groups (DPP or S) differed from control group (C) (p < 0.05) within each time-point
bTreated groups differed from each other (p < 0.05) within each time-point