Authors
Iwona Markowska-Daniel
Department of Swine Diseases, National Veterinary Research Institute, Pulawy, Poland
Krzysztof Kwit
Department of Swine Diseases, National Veterinary Research Institute, Pulawy, Poland
Kinga Urbaniak
Department of Swine Diseases, National Veterinary Research Institute, Pulawy, Poland
Andrzej Kowalczyk
Department of Swine Diseases, National Veterinary Research Institute, Pulawy, Poland