Aethusa cynapium (false parsley, fool's parsley, dog's parsley). Related
Chaerophyllum temulentum (rough chervil). A member of the plant family UMBELLIFERAE,
Very common herbaceous plant with hollow, ridged stems and pale green, feathery leaves,
redolent of parsley. White flowers in umbels, no involucres, developing into oval
Animals most affected
Cattle, (sheep, horses, goats).
Ingestion of the fresh plant, or of contaminated fresh fodder. Due to its offensive
odour, poisoning rarely occurs in animals.
Contains small amounts of coniine and cyanapine. Although all parts of the plant
are toxic, the toxicity is relatively low. Toxic doses are not well established.
Oral dose in kg fresh plant material before a toxic effect is elicited:
salivation, indigestion, diarrhoea;
occasionally neurological effects, including ataxia, mydriasis, paraesthesia,
posterior paralysis, hyperpnoea and tachycardia.
In general, animals recover in several hours.
Non-specific, often not observed: enteritis.
No antidote, Symptomatic care only:
adsorbents (activated vegetable charcoal), Epsom salts;
cardiorespiratory stimulants if indicated.