This study evaluated the effect of different concentrations of Brazilian green propolis on the cryopreservation of epididymal sperm from domestic cats. Spermatozoa were collected from cauda epididymis by slicing technique in a TRIS extender, preheated to 37ºC. Then, the sperm were evaluated and divided randomly between the control group (without adding propolis in the extender) and the treatment groups (adding ...