The Visual Guide to
Ovine Reproduction
Male Reproductive System: Vasectomy
![Restraint for Vasectomy.](images/ov00397.jpg)
Restraint for Vasectomy.
The ram is restrained in a reclining cradle for a vasectomy.
Smith MC (2006)
![Double Ligation.](images/ov00394.jpg)
Double Ligation.
Midscrotal approach for vasectomy. The vas deferens is exteriorized and ligated twice and a piece will be removed. The tail of the epididymis was left intact.
Smith MC (2006)
![Distended Cauda Epididymidis.](images/ov00395.jpg)
Distended Cauda Epididymidis.
A previous vasectomy by ligation of the vas deferens above the testis has caused accumulation of semen or pus in the tail of the epididymis.
Smith MC (2006)
![Distended Cauda after Vasectomy.](images/ov00399.jpg)
Distended Cauda after Vasectomy.
Previous vasectomy above the testis has resulted in accumulation of sperm and possibly infection of the tail of the epididymis.
Smith MC (2006)
![Location of Incision.](images/ov00400.jpg)
Location of Incision.
A cranial midscrotal approach for vasectomy uses a single midline skin incision. The tunic on each side is then incised and a section of vas deferens grasped and exteriorized.
Smith MC (2006)
![Isolated Vas Deferens.](images/ov00396.jpg)
Isolated Vas Deferens.
Isolated vas deferens is ready for ligation and resection. Midscrotal approach.
Smith MC (2006)
![Ligating Close-up.](images/ov00315.jpg)
Ligating Close-up.
Grasping the ligated vas deferens in preparation for excising a segment.
Smith MC (2006)
![Vasectomy.](images/ov00434.jpg)
Vasectomy.
The cremaster muscle is on the left, the vas deferens is isolated with a pair of hemostats, and the pampiniform plexus is on the right, in this picture.
Pugh DG (2007)
![Vasectomy Smear.](images/ov00489.jpg)
Vasectomy Smear.
Smear of the ejaculate after vasectomy. Numerous spermatozoa were still present in the distal portions of the vasa deferentia.
Smith MC (2010)