- Bedrníček J., Ph.D.: Gyeongsang National University, College of Agriculture and Life Sciences, Department of Agricultural Plant Science; Jižní Korea, 2020;
- doc. Smetana P., Ph.D.: Mongolian University of Life Sciences, Department of Livestock production and monitoring and inspection, School of Animal Science and Biotechnology, Mongolsko 2018;
- Ing. Jirotková D., Ph.D.: University of Buenos Aires, School of Agriculture, Argentina 2018;
- doc. Vácha F.,CS.c.: University of Agriculture and Forestry, Hue University, Faculty of Animal Science and Veterinary Medicine, Vietnam 2018;
- doc. Vácha F.,CS.c.: Süleyman Demirel University, Fisheries Faculty, Isparta, Turecko 2017;
- Ing. Jirotková D., Ph.D.: University of Agriculture and Forestry, Hue University, Faculty of Animal Science and Veterinary Medicine, Vietnam 2015;
- Ing. Jirotková D., Ph.D.: University of Agricultural Sciences and Veterinary Medicine, Timisoara, Rumunsko 2014;
- doc. Vácha F.,CS.c.: The Hebrew University of Jerusalem, Faculty of Agriculture, Food and Environment, Rehovot, Izrael 2012;
