Comparative study between the excision-ligation and autoligation of vas deferens technique for teaser rams preparation

Abstract

Aim: The present study was designed to demonstrate the autoligation (AL) of vas deferens and the excision-ligation (EL) technique to generate vasectomized rams to reduce the complications, operative time, and price of the vasectomy techniques. Materials and Methods: A total of 12 healthy and mature Iraqi Awassi rams were used, which divided into two groups, six rams for each one. The former group was performed the EL technique while the latter group, the AL of vas deferens technique was used. Results: The results of the present study found that both techniques were same with the reproductive efficient examinations that mean the two techniques had same ability to close the male genital passage for teaser rams preparation. However, the methods were different with the histopathological changes, operation time, prices, and complications, which were minor in the AL of vas deferens compared with the EL technique. Conclusion: The AL technique of vas deferens to prepare teaser animal is recommended over the EL technique due to different aspects such as cost, fewer complications, and active teaser for a long period are the main aspects of AL technique.

Such a tease! Production and uses of teaser rams, bucks, boars and bulls

“…A recently developed alternative method is the autoligation of the vas deferens (Al Haideri and others 2019), where the vas is freed from the tunica as normal, and twisted around the needle holders several times; the section proximal to this is then grasped, cut and pulled through the ‘throws’ to form a knot. Both sections are then allowed to return to the spermatic cord.…”