CHEMICALS SUMMARY PAGE

Organophosphates:

Summary Information
Classification Chemicals / Complex Chemical Agents / Type:

(This chemicals section is currently predominantly used in Wildpro to link different data types and demonstrate inter-relationships. It does not contain detailed information on the chemical itself.)

Alternative Names
  • Phosphates e.g. mevinphos
  • Phosphorothionates e.g. parathion, diazinon
  • Phosphorothiolates e.g. demeton, omethoate
  • Phosphorothionothiolates e.g. phorate, malathion
  • Phosphorodithiolates e.g. ethoprop
  • Phosphoramidates e.g. fenamiphos
  • Phosphoramidothionates e.g. isophenphos
  • Phosphoramidothiolates e.g. methamidophos
  • Coumaphos (trade name: Negasunt (Bayer))
  • Dichlorvos (trade name: Aquagard (Ciba))
  • Nuvan Top (Ciba)
  • Diazinon (trade name: Droplix (Virbac))
  • Fenthion (trade name: Tiguvon (Bayer))
  • Phosmet (trade name: Dermol Plus (Crown), Nupor (C-Vet VP), Porect (Pfizer), Poron 20 (Young's), Vet-Kem Sponge-on (Sanofi))

See also: Carbamates

Notes
  • Synthetic derivatives of phosphoric acid. Used as pesticides, primarily as agricultural insecticides.
  • Used extensively as topical ectoparasiticides and systemic anthelmintics.
  • Interfere with cholinergic nerve transmission. Inhibit the activity of cholinesterase enzymes responsible for hydrolysis of the neurotransmitter acetylcholine at nerve endings, by competing with acetylcholine for binding sites. Acetylcholine builds up in the synaptic cleft, resulting in continuous firing of the neuron. Rate of reaction with the enzyme days to months for organophoshates, compared with less than one second for acetylcholine.
  • Relatively short-lived in the environment, but organophosphates have a longer duration of action than carbamates (days to months, rather than hours to days) and can become irreversibly bound to cholinesterase receptors (process known as aging).

(B15, B20.5.w3, B36.39.w39)

Taxa Groups (hyperlinked if included as Wildpro Modules) containing host species which have been recorded as infected by this organism.
Associated Waterfowl Diseases Anticholinesterase Toxicity Waterfowl Disease Summary Nervous signs and death from respiratory arrest, due to overstimulation of the parasympathetic nervous system.
Waterfowl in which the associated disease has been recorded.
Associated Waterfowl Diseases Congenital Abnormalities (Congenital malformation) Waterfowl Disease Summary Abnormal development of downies during incubation - present at hatching.
Waterfowl in which the associated disease has been recorded.

Return to Top of Page