Biosecurity and health care on commercial pig farms - Jovan Bojkovski, Becskei Z, Branislav Kureljusic, Ivan Pavlovic, Nemanja Zdravkovic, Jasna Prodanov-Radulović, Teodora Vasiljevic, Branko Angjelovski, Jan Plut, Ivan Dobrosavljevic, Jelena Maletic, Susana Dedovic, Branislav Stankovic (My University, 2022)