A non-selective, triazole herbicide.


[affected.gif] Animals most affected
Cattle, (other animals).


[etiology.gif] Etiology
Extensively used herbicide, employed in weed control after harvesting and before replantmg, also used on non-cultivated areas. Generally applied in combination with other herbicides (e.g. 2,4-D, diuron, atrazine, etc.).
Due to its widespread use, it is often implicated in cases of animal poisoning. It should be noted, however, that the only incidents involving aminotriazole have occurred as a result of direct ingestion of the agrochemical product.
Ingestion of vegetation treated with this herbicide according to manufacturers' instructions, or of contaminated forage, has never, to the authors' knowledge, caused either toxicological problems or fatalities.


[toxic.gif] Toxicity
Compound of low toxicity, although ruminants demonstrate a particular sensitivity to the herbicide compared with other species of animals.
Oral doses in mg/kg or concentrations in mg/l:

LD50 rats 1100-2500
LD cattle >50 for 6 days
  sheep 4000
  sheep 25 for 9 days
TD cattle 25 for 3 days
  sheep 10 for 10 days
  poultry 250 for several days
LC50 (96 h) fish 400-1000




[clinical.gif] Clinical features
Non-specific:


[lesions.gif] Lesions
Hardly apparent:


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


[case.gif] Case summary
A 5-month-old puppy had discovered and then consumed a large quantity of a product containing aminotriazole. Thirty minutes later the dog had a dazed expression, vomited and had neurological signs (locomotor ataxia, excitation and muscular tremor). The veterinary surgeon kept the dog in for observation and, after symptomatic and supportive care, a significant improvement was noted.