Optimization of conditions for long-term prefreezing storage of brown bear sperm before cryopreservation

1. López-Urueña, E.
2. Alvarez, M.
3. Gomes-Alves, S.
4. Anel-López, L.
5. Martínez-Rodríguez, C.
6. Manrique, P.
7. Borragan, S.
8. Anel, L.
9. de Paz, P.