An organophosphorous insecticide, available commercially in the form of liquids for spraying, also used therapeutically as a systemic insecticide (for subcutaneous larvae).
For etiology, clinical features, lesions, treatment and investigations, see Organophosphorous compounds

[toxic.gif] Toxicity
Oral doses in mg/I:
LD50 rats 147-316
  chickens 707
  ducks 1830
MTD cattle 25
  calves 25
  sheep 50
Toxic to fish