PREVALENCE OF CYSTICERCUS-BOVIS S INERMIS MEASLES WITH PARTICULAR REFERENCE TO HISTOPATHOLOGICAL CHANGES IN MEAT

The analysis was made of the results of the examination for Cysticercu s bovis s. inermis in the meat of the cattle slaughtered in the slaugh terhouse ''Pomurka'' in Murska Sobota in the Republic of Slovenia in t he 1965-1991 period. The average number of infected cattle varied from 0.000-0.78 % and the total number amounted to 0.26 % a year (n = 440 944). Of importance is the trend of the increased infected cattle, the number of infected cattle in 1991 being almost four times higher than that in 1965. The cysticercosis observed was for the most part mild, because the number of the findings of extensive cysticercosis amounted to 1.5 % in relation to the total number of infected head of cattle. Regarding the predilection sites, the prevalence of C. bovis in beef w as recorded in the following order: 1. the heart = 62.62 %, 2. chewing muscles = 27.14 %, and 3. other muscles and organs = 10.38 %. The age of the process in beef was assessed according to the measles dimensio ns and characteristic pathohistological changes (connective-tissue inf iltration, fibroblasts, fibrocytes, interstitial myositis, eosinophili c granulocytes, and the like) within 30-200 or more days.