Brassica olearaceae (cole, chou moellier). A member of the plant family CRUCIFERAE.



[affected.gif] Animals most affected
Cattle, (sheep, goats).



[etiology.gif] Etiology
Ingestion as fodder, especially if consumed in large quantities and for prolonged periods of time.



[toxic.gif] Toxicity
Contains:



Toxicity is greatest in winter (i.e. when cabbages may be frozen) and in spring.



Large quantities need to be ingested for toxicity to become apparent.
Oral toxic doses not well established:
TD cattle 2-50 kg/day for 10-20 days

     


[clinical.gif] Clinical features
Acute poisoning (ingestion of the flowers)

Macrocytic haemolytic anaemia

Other effects
(Antithyroid):




[lesions.gif] Lesions
Non-specific.


When poisoning is due to consumption of flowers

If haemolytic anaemia becomes established




[treatm~1.gif] Treatment
No antidote. Prevent further ingestion of the brassica and treat animal symptomatically.


In cases of acute poisoning

In cases of anaemia


Recommendations