1. Group on Control of Incentives in Agriculture, Organic Farming and Animal Husbandry, Ministry of Agriculture, Forestry and Water Management , Belgrade , Republic of Serbia
2. University of Novi Sad , Faculty of Agriculture, Department of Veterinary Medicine , Novi Sad , Republic of Serbia
3. Ss. Cyril and Methodius University , Faculty of Agricultural Sciences and Food , 16-ta Makedonska brigada 3, 1000 Skopje, Republic of North Macedonia
4. University of Belgrade , Faculty of Agriculture, Department of Animal Science , Zemun-Belgrade, Republic of Serbia
5. University of Belgrade , Faculty of Agriculture, Food Technology , Zemun-Belgrade, Republic of Serbia