Principal species include:

Lathyrus cicera (chickpea);
L. sativus (cultivated pea, common vetch);
L. pratensis (yellow meadow vetchling);
L. sylvestris (narrow-leaved everlasting pea, wild pea);
L. latifolius (everlasting pea);
L. odoratus (ornamental sweet pea).

A member of the plant family PAPILIONACEAE. Herbaceous plant with soft green leaves ending in a simple tendril with stipules at the base and soft-petalled flowers. The fruit develop into long, flattened seed pods.


[affected.gif] Animals most affected
Cattle, horses, sheep, (pigs and dogs).


[etiology.gif] Etiology
Ingestion of feed containing vetch seeds, or contaminated fodder; direct ingestion of the pods and the seeds. Poisoning is very rare:


[toxic.gif] Toxicity
Contains amino acids which are neurotoxic. Toxic doses not well established: cattle and horses are the most sensitive species.


[clinical.gif]
Clinical features
Neurological

General

In horses

In cattle


[lesions.gif] Lesions


[treatm~1.gif] Treatment
No antidote. Symptomatic care only: