Authors
Monika Szymańska-Czerwińska
monika.szymanska@piwet.pulawy.pl
Department of Cattle and Sheep Diseases, Puławy, Poland
Laboratory of Serological Diagnosis, Puławy, Poland
Agnieszka Jodełko
Department of Cattle and Sheep Diseases, Puławy, Poland
Zbigniew Osiński
Department of Hygiene of Feeding Stuffs, National Veterinary Research Institute, Puławy, Poland
Krzysztof Niemczuk
Department of Cattle and Sheep Diseases, Puławy, Poland
Laboratory of Serological Diagnosis, Puławy, Poland