Blue-green algal poisoning
The toxic blue-green algae, Microcystis cyanea and Anabaena circinalis are mainly a problem in late summer and autumn.
Diagnosis
Presence of algae as a green scum on the water. The clinical syndrome includes sudden death or jaundice and photosensitisation. Evidence of a hepatotoxin and gastrointestinal irritation.
Specimens required
- 500 ml of scum and water for examination for toxic algae.
- Serum from affected animals for serum chemistry/enzymology
- Sections of liver and kidney in buffered formalin.