picture (LeechiD0.jpg) by Möller, H. |
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| Main Ref: | 51 |
| Disease type: | Parasitic infestations (protozoa, worms, etc.) |
| Disease name: | Fish leech Infestation |
| Other names: | |
| Caus. agent: | Piscicola geometra |
| Group: |
| Part of body and/or behavior affected by disease: | ||
| Skins and/or fins | Belly | Swimming behavior |
| Gills | Anus | Other behavior |
| Eyes | Viscera Afflicted | Other symptoms |
| Fish affected: | Esocidae, Cyprinidae | |
| Symptoms: | Erratic, rubbing objects, leeches causing petechial haemorrhges, characteristic feature of parasite, length: 10 to 50 mm. | |
| Treatments: | Bath with 200 g Cao/100 l water for 5 to 10 sec. Treatments cited in Ref. 45600 are 0.5 ppm Dipterex (Dylox) or 0.25-0.8 ppm (Al) Masoten (Neguvon). Also analogous organophosphates like Malathion would also yield good result; note: Adjustment of a higher dose is recommended for high temperatures. Removal of leeches in the body of fish could be attained by flush treatment of 5 ppm of CuCl2; 0.5 ppm copper sulphate for 5-6 hours or 25 ppt NaCl for one hour. Ponds should also be treated with 2500-3000 kg per ha of unslaked lime before stocking (Ref. 45600). | |
| Prophylaxis: | Disinfection. | |
| Remarks: | This parasite was recorded to transmit SVC virus to Carp (Ref. 45600). | |
| Mortality and seasonality | ||
| Mortality: | ||
| Seasonality: | ||
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picture (LeechiD0.jpg) by Möller, H. |