PORCINE REPRODUCTIVE RESPIRATORY SINDROME (PRRS)

Respiratory disease in pigs are major cause of morbiditiy,mortality, and major cause of economc losses. As results of this situation, it is necessary to cary out timely diagnoses, adequate therapy and on farms established profilacitc mesures. Our intention was to show in this paper , production indicators, such as consequence presence of PRRS in pig farms industrial type. The biggest losses in pigs were the first three month of out break in the period from 3-12 month mortality gradually descreased. The costs of prevention and treatment of secundary infections during the 12 month after outbreak of the disease were on average about 40 % higher in the period before in relation on period before appear disease.