ACTUAL INFECTIOUS DISEASES IN BULGARIAN PIG INDUSTRY

At the mo ment the most im por tant dis eases for Bul gar ian pig in dus try are clas si cal swine fe ver and Aujeszky’s dis ease in re spect of which we are obliged to meet the re quire ments of the Eu ro pean Un ion (EU) as well as Por cine re pro duc tive and re spi ra tory syn drome and Por cine circovirus type 2, which cause big losses on pig farms. Ac cord ing to the ex perts on pig dis eases we are now in the era of multifactorial dis eases. The emer gence of por cine re pro duc tive and re spi ra tory syn drome (PRRS) and por cine cyrcovirus type 2 (PCV2) in the last 15 years also lead to al ter ation of the pig pa thol ogy and in creased the im por tance of multifactor dis eases. Also, the dis eases im por tant for pig pro duc tion in Bul garia are the dis eases: por cine par vovi rus (PPV), swine influenca vi rus (SIV), Mycoplasma hyopneumonia (M hyo) and Actino bacillus pleuropneumoniae (APP), the in fec tions that of ten joined with above men tioned caus ative agents.