Effect of single-layer centrifugation or washing on frozen-thawed donkey semen quality: Do they have the same effect regardless of the quality of the sample?

1. Ortiz, I.
2. Dorado, J.
3. Morrell, J.M.
4. Crespo, F.
5. Gosálvez, J.
6. Gálvez, M.J.
7. Acha, D.
8. Hidalgo, M.