1. Laboratory of Embryology, Faculty of Veterinary Medicine, University of Teramo, 64100 Teramo, Italy
2. Avantea srl., Laboratorio di Tecnologie della Riproduzione, Cremona, Italy
3. Research and Education Faculty, Multidisciplinary Science Cluster, Life and Environmental Medicine Science Unit, Kochi University, Kochi 783-8502, Japan
4. Institute of Animal Science, Prague, Czech Republic
5. Leibniz Institute for Zoo & Wildlife Research, Berlin, Germany