Authors
Monika Szymańska-Czerwińska
monika.szymanska@piwet.pulawy.pl
Department of Cattle and Sheep Diseases, National Veterinary Research Institute, Pulawy, Poland
Krzysztof Niemczuk
Department of Cattle and Sheep Diseases, National Veterinary Research Institute, Pulawy, Poland
Agata Mitura
Department of Cattle and Sheep Diseases, National Veterinary Research Institute, Pulawy, Poland