FIELD: agriculture, veterinary medicine, veterinary pathological anatomy. SUBSTANCE: the method deals with a careful postmortem examination of the first animal and poultry cadavers to reveal focal dystonia of blood vessels' walls (in sections of 0.5-1.5 cm length) in mammalian and poultry serosas and mucosas. Besides, in mammalians it is necessary to consider the following: paretic splenic state at a distinct picture of trabecular structure and poor abrasion from the incision surface; a marked crupous pneumonia at pulmonary marbelization in adult species and predominance of catarrhal-crupous inflammation in youngsters, the presence of intestinal and nervous (meningeal) kinds of diseases; a character of intrauterine infection transfer. EFFECT: increased accuracy of pathological anatomical forecast of pasteurellosis both in antibiotics-free and antibiotics-treated animals and poultry at the early stages of clinicomorphological manifestation of a disease. 1 cl, 9 dwg, 1 ex
