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The epidemiology of the PRRS is much more complicated in comparison to other viral diseases, relating to its spread and persistence of the virus, which is a marked characteristic. For this reason the immunological status was evaluated in different groups of animals. Herds were located in different regions of Poland, with large, medium and small populations of pigs. The evaluation of the titres of...
The aim of this study was to determine of seroprevalence of bluetongue (BT) virus specific antibodies in susceptible animals imported into Poland after 15 June 2006 from Germany, the Netherlands, France and Belgium. From 1 September to 31 December 2006, 5757 samples of sera supplied from 16 voivodeships were tested by c-ELISA, and positive results were confirmed using agar gel immunodiffusion (AGID)...
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