1. Faculty of Bioengineering of Animal Resources, University of Life Sciences King Mihai I from Timisoara, 300645 Timisoara, Romania
2. Bacteriology Branch, Veterinary Sciences Division, Agri-Food and Biosciences Institute, Belfast BT4 3SD, UK
3. Department of Animal and Dairy Science, University of Georgia, Athens, GA 30602, USA
4. Faculty of Agriculture, University of Life Sciences King Mihai I from Timisoara, 300645 Timisoara, Romania
5. Faculty of Management and Rural Tourism, University of Life Sciences King Mihai I from Timisoara, 300645 Timisoara, Romania
6. Academy of Romanian Scientists, Ilfov Street, No. 3, 050044 Bucharest, Romania