Test group | Sex | Body weight (kg) | Amount fipronil/body weight (mg/kg) | Days post-FDF exposure | Fipronil (ppb) | Fipronil sulfone (ppb) | Number of female ticks alive at day 8 after tick introduction |
---|---|---|---|---|---|---|---|
T48 (48-h FDF exposure) | Female | 83.8 | 0.6 | 7 |  < LOQ | 16.8 | 1 |
Male | 86.4 | 0.58 | 7 | 0.7 | 32.2 | 0 | |
Female | 72.2 | 0.32 | 7 | 0.5 | 6.3 | 6 | |
Male | 93.9 | 0.27 | 7 | 0.2 | 25.0 | 0 | |
Male | 77.9 | 0.27 | 21 |  < LOQ | 2.5 | 8 | |
Female | 82.4 | 0.24 | 21 |  < LOQ | 2.4 | 8 | |
Male | 50.4 | 0.99 | 21 |  < LOQ | 12.2 | 6 | |
Female | 72.1 | 0.34 | 21 |  < LOQ | 13.2 | 2 | |
T120 (120-h FDF exposure) | Male | 104 | 1.2 | 7 | 2.5 | 74.3 | 0 |
Female | 81.8 | 1.24 | 7 | 0.9 | 89.7 | 0 | |
Female | 56.8 | 1.1 | 7 |  < LOQ | 37.7 | 0 | |
Female | 68.4 | 0.91 | 7 | 1.5 | 27.3 | 0 | |
Female | 66.3 | 0.93 | 21 |  < LOQ | 26.4 | 0 | |
Female | 62.7 | 0.94 | 21 |  < LOQ | 5.6 | 8 | |
Female | 50.9 | 1.47 | 21 |  < LOQ | 41.1 | 0 | |
Female | 84.1 | 0.44 | 21 |  < LOQ | 13.5 | 1 | |
Control | Male | 99.9 | NA | 7 | ND | ND | 32 |
Female | 78.8 | NA | 7 | ND | ND | 14 | |
Male | 74.2 | NA | 7 | ND | ND | 26 | |
Female | 52.8 | NA | 7 | ND | ND | 34 | |
Female | 69.3 | NA | 21 | ND | ND | 10 | |
Male | 83.5 | NA | 21 | ND | ND | 11 | |
Female | 91.3 | NA | 21 | ND | ND | 17 | |
Male | 79.2 | NA | 21 | ND | ND | 25 |