Evaluation of the qualitative and quantitative effectiveness of three media of centrifugation (Maxifreeze, Cushion Fluid Equine, and PureSperm 100) in preparation of fresh or frozen-thawed brown bear spermatozoa

1. Nicolas, M.
2. Alvarez, M.
3. Borragán, S.
4. Martinez-Pastor, F.
5. Chamorro, C.A.
6. Alvarez-Rodriguez, M.
7. de Paz, P.
8. Anel, L.