Table 3.
Mean arithmetic on animal tick counts 12 hours after infestation of dogs with Rhipicephalus sanguineus
| Day | Arithmetic mean tick counts 12 hours after infestationa | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Control | Advantix® | NexGard™ | Bravecto™ | ||||||||||
| M | M | F | df | P | M | F | df | P | M | F | df | P | |
| Day 30 | 35.3 | 3.5 | 14.56 | 3 | < 0.0001 | 24.0 | 14.56 | 3 | 0.0288 | 22.5 | 14.56 | 3 | 0.0143 |
| Day 35 | 31.8 | 0.9 | 15.15 | 3 | < 0.0001 | 25.6 | 15.15 | 3 | 0.2202 | 16.3 | 15.15 | 3 | 0.0036 |
| Day 42 | 35.5 | 2.3 | 16.27 | 3 | < 0.0001 | 30.1 | 16.27 | 3 | 0.3156 | 15.5 | 16.27 | 3 | 0.0007 |
| Day 49 | 34.5 | 1.5 | 22.62 | 3 | < 0.0001 | 33.1 | 22.62 | 3 | 0.7640 | 24.3 | 22.62 | 3 | 0.0318 |
| Day 56 | 33.6 | 1.9 | 16.01 | 3 | < 0.0001 | 34.9 | 16.01 | 3 | 0.8187 | 22.0 | 16.01 | 3 | 0.0402 |
| Day 63 | 28.5 | 5.8 | 5.77 | 3 | 0.0003 | 17.3 | 5.77 | 3 | 0.0507 | 19.5 | 5.77 | 3 | 0.1136 |
| Day 70 | 26.6 | 0.3 | 24.65 | 3 | < 0.0001 | 20.1 | 24.65 | 3 | 0.0714 | 25.1 | 24.65 | 3 | 0.6687 |
| Day 77 | 24.6 | 3.9 | 7.68 | 3 | 0.0002 | 24.0 | 7.68 | 3 | 0.9001 | 19.0 | 7.68 | 3 | 0.2639 |
| Day 84 | 31.8 | 0.3 | 55.67 | 3 | < 0.0001 | 36.0 | 55.67 | 3 | 0.1986 | 22.9 | 55.67 | 3 | 0.5283 |
Abbreviations: M, arithmetic mean, F, F-statistic, df, degrees of freedom, P, P-value (one-way ANOVA with a treatment effect in comparison with control group)
acounts based on ticks attached to the dogs, excluding ticks in the crates