ABSTRACT: A survey carried out in the dairy region of Pernambuco was conducted to determine most important poisonous plants for ruminants region. total 95 farmers from 19 municipalities were interviewed and grazing areas inspected. According survey, Manihot esculenta, Palicourea aeneofusca, Brachiaria decumbens, Indigofera suffruticosa, Ricinus communis Cestrum axillare. Less reported classes i...