Table 1.
In vitro cumulative mortality of Dactylogyrus sp. exposed to DMSO solution.
| Concentration | Cumulative Mortality (%) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 min | 2 min | 3 min | 4 min | 5 min | 6 min | 7 min | 8 min | 9 min | 10 min | 15 min | 20 min | |
| 1/10 | 60 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| 1/20 | 0 | 70 | 90 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| 1/30 | 0 | 0 | 50 | 70 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| 1/40 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 30 | 50 |
| 1/50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Fig. 1.
In vitro cumulative mortality of Dactylogyrus sp. exposed to peppermint essential oil. Control: 1:50 DMSO.
Fig. 2.
In vitro cumulative mortality of Dactylogyrus sp. exposed to lemon essential oil. Control: 1:50 DMSO
Fig. 3.
In vitro cumulative mortality of Dactylogyrus sp. exposed to tea tree essential oil. Control: 1:50 DMSO
Fig. 4.
Parasite behavior; (a) Dactylogyrus sp. before exposure (alive); (b) Contraction of Dactylogyrus sp. after exposure (c) Death of Dactylogyrus sp. after exposure.
Fig. 5.
Dactylogyrus sp. mean intensity in carp gills before and after in vivo application of peppermint, lemon, and tea tree essential oils.