ElectroejaculationElectroejaculation is a procedure used to obtain semen samples from sexually mature male mammals. The procedure is applied for breeding programs and research purposes in variousspecies, as well as in the treatment of an e jaculatory dysfunction in human males. Electroejaculation is usually carried out under a general anesthetic.
An electric probe is inserted into the rectum adjacent to the prostate. The probe delivers an AC voltage, usually 12-24 volts
sine wave at a frequency of 60 Hz, with a current limited to usually 500 mA, although some devices can generate currents of up to 1 A.
The probe is activated for 1-2 seconds, referred to as a stimulus cycle. Ejaculation usually occurs after 2-3 stimulus cycles.
Care must be taken when using currents greater than 500 mA, as tissue burns may result due to heating of the probe.
The stimulus voltage stimulates nearby nerves, resulting in contraction of the pelvic muscles and ejaculation.
This procedure is used frequently with large mammals, particularly bulls and some domestic animals, as well
as humans who have certain types of paralysis or erectile dysfunction.
In the practice of veterinary medicine and animal science, it is common to collect semen from domestic ruminants using electro-ejaculation without sedation or anesthesia. Only in goats, is mild sedation sometimes used. Because of the significant skeletal muscle contractions experienced by animals during electroejaculation, it is never used in stallions except in rare cases, under general anesthesia.