Use of commercial extenders and alternatives to prevent sperm agglutination for cryopreservation of brown bear semen

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