Table 3.
Effects of antibiotic treatment on fecundity R. haemaphysaloides and density of Coxiella-LE and Rickettsia-LE in eggs
| Treatment | No. of Ticks | Time to oviposition (days) | Index of oviposition | Incubation period (days) | Hatching rate | Log-transformed relative density of Coxiella-LE | Log-transformed relative density of Rickettsia-LE |
|---|---|---|---|---|---|---|---|
| PBS | 6 | 5.8 ± 0.8 | 0.5 ± 0.06 | 42.2 ± 5.4 | 0.95 ± 0.03 | 3.0 ± 0.3 | 2.9 ± 0.3 |
| Ampicillin | 6 | 6.0 ± 0.9 | 0.5 ± 0.05 | 43.2 ± 4.7 | 0.97 ± 0.02 | 2.9 ± 0.3 | 2.8 ± 0.4 |
| Ciprofloxacin | 6 | 7.7 ± 0.8 | 0.4 ± 0.03 | 43.3 ± 2.4 | 0.95 ± 0.02 | 2.3 ± 0.3 | 1.8 ± 0.2a |
| Kanamycin | 6 | 7.5 ± 1.9 | 0.5 ± 0.06 | 40.3 ± 3.9 | 0.15 ± 0.04a | 1.7 ± 0.3a | 2.2 ± 0.2 |
| Tetracycline | 5 | 11.0 ± 1.6a | 0.4 ± 0.04 | 47.2 ± 3.9 | 0.06 ± 0.04a | 1.3 ± 0.2a | 1.0 ± 0.7a |
| F-value | – | 3.30 | – | 307.8 | 39.4 | 24.6 | |
| P-value | < 0.01b | 0.03 | 0.16c | < 0.01 | < 0.01 | < 0.01 |
aThe value is statistically different from that of PBS-treated group
bKruskal-Wallis H-test: χ2 = 16.459, df = 4
cKruskal-Wallis H-test: χ2 = 6.534, df = 4