The review article present the clinical picture and pathological findings o
f the probably most frequent toxicoses - robinia, potato, sorghum, datura,
annual mercury, birthwort, walnut, hemlock, senecio, ground-ivy, colchicum,
eagle-fern, horsetails, yew tree and photosensibilisating plants - of hors
es, indicating the mechanism of effect of plant poisons. Beside the present
ation of mycotoxicoses caused by aflatoxin, T-2 toxin, zearalenon, deoxiniv
alenol, fumonisine, stachibotriotoxin, acremonium toxins, ergot and slaphra
min the article outlines the other consequences of microbiological deterior
ation of feedstuffs.