Table 1.
Mean arithmetic on animal tick counts three hours after infestation of dogs with Rhipicephalus sanguineus
| Day | Arithmetic mean tick counts 3 hours after infestationa | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Control | Advantix® | NexGard™ | Bravecto™ | ||||||||||
| M | M | F | df | P | M | F | df | P | M | F | df | P | |
| Day 30 | 49.4 | 15.6 | 86.69 | 3 | < 0.0001 | 49.5 | 86.69 | 3 | 0.9615 | 49.4 | 86.69 | 3 | 1.0000 |
| Day 35 | 47.0 | 14.4 | 76.37 | 3 | < 0.0001 | 48.0 | 76.37 | 3 | 0.7100 | 46.8 | 76.37 | 3 | 0.9258 |
| Day 42 | 48.1 | 10.8 | 184.50 | 3 | < 0.0001 | 48.3 | 184.50 | 3 | 0.9499 | 49.5 | 184.50 | 3 | 0.4916 |
| Day 49 | 47.4 | 12.0 | 184.57 | 3 | < 0.0001 | 46.8 | 184.57 | 3 | 0.7412 | 49.6 | 184.57 | 3 | 0.2399 |
| Day 56 | 47.6 | 16.9 | 207.73 | 3 | < 0.0001 | 48.5 | 207.73 | 3 | 0.5693 | 47.4 | 207.73 | 3 | 0.8705 |
| Day 63 | 44.4 | 18.5 | 33.43 | 3 | < 0.0001 | 46.4 | 33.43 | 3 | 0.5648 | 48.4 | 33.43 | 3 | 0.2537 |
| Day 70 | 46.4 | 11.3 | 80.02 | 3 | < 0.0001 | 46.5 | 80.02 | 3 | 0.9652 | 48.5 | 80.02 | 3 | 0.4606 |
| Day 77 | 46.4 | 13.6 | 39.97 | 3 | < 0.0001 | 42.8 | 39.97 | 3 | 0.3063 | 44.6 | 39.97 | 3 | 0.6188 |
| Day 84 | 48.6 | 12.0 | 311.86 | 3 | < 0.0001 | 48.6 | 311.86 | 3 | 1.0000 | 48.3 | 311.86 | 3 | 0.7994 |
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