# Vasectomy for Housing With Recipient of Embryo Transfer in the Common Marmoset ( Callithrix jacchus )

## TL;DR

This paper describes successful vasectomy procedures in marmosets and their use in embryo transfer studies.

## Contribution

The study demonstrates the feasibility of vasectomy followed by embryo transfer in marmosets.

## Key findings

- Vasectomy in two male marmosets resulted in azoospermia confirmed by CASA.
- Vasectomized males were successfully co-housed with embryo transfer recipient females.
- Post-vasectomy semen analysis ensures reliable sterilization for research and breeding.

## Abstract

Two male marmosets underwent vasectomy without complications. Azoospermia was confirmed by computer‐assisted semen analysis (CASA) 5 weeks later. Both were co‐housed with embryo transfer recipient females 6 weeks after surgery. Vasectomy may be accompanied by post‐vasectomy semen analysis such as CASA, to ensure safe and reliable sterilization for research and captive breeding management in marmosets.