The impact of percutaneous epididymal sperm aspiration on sperm quality in mice
In laboratory mice, sperm quality is usually assessed in spermatozoa collected from the cauda epididymidis of freshly sacrificed males.Percutaneous epididymal sperm aspiration (PESA) is a non-terminal alternative that would allow repeated sperm collection for sperm quality assessment in living males.To test whether PESA is a suitable method to asse