Poisonous plants of Brazil

Poisonous plants are a serious problem for cattle breeding in Latin America. Owing to the extensive pastural agriculture it is not possible to exterminate such plants. Apart from the considerable financial loss to individual farmers and the national economy owing to dead animals, there is the important question of how far the meat and milk of chronically poisoned animals are a health risk for humans. The toxins of the most important toxic plants from Brazil are described.