1. 1 Department of Reproduction and Obstetrics, Faculty of Veterinary Medicine, University of Thessaly, Terma Trikalon Please ask the editor of the journal.
2. 2 NAGREF, Veterinary Research Institute Please ask the editor of the journal.
3. 3 NAGREF, Veterinary Research Institute Please ask the editor of the journal.
4. 4 NAGREF, Veterinary Research Institute Please ask the editor of the journal.
5. 5 Department of Reproduction and Obstetrics, Faculty of Veterinary Medicine, University of Thessaly, Terma Trikalon Please ask the editor of the journal.