Authors
Katarzyna Dudek
katarzyna.dudek@piwet.pulawy.pl
Department of Cattle and Sheep Diseases, National Veterinary Research Institute, Pulawy, Poland
Dariusz Bednarek
Department of Cattle and Sheep Diseases, National Veterinary Research Institute, Pulawy, Poland
Roger D. Ayling
Mycoplasma Group, Animal Health and Veterinary Laboratories Agency (Weybridge)
Ewelina Szacawa
Department of Cattle and Sheep Diseases, National Veterinary Research Institute, Pulawy, Poland