sentences:  Toxic effects of sterigmatocystin-fed laboratory animals have included kidney and liver damage and diarrhoea.Skin and hepatic tumours are induced in rats by dermal application.Cattle exhibiting bloody diarrhoea, loss of milk production and in some cases death were found to have ingested feed containing Aspergillus versicolor and high levels of sterigmatocystin of about 8 mg/kg.