No-scalpel vasectomy by electrocauterization in free range rhesus macaques (Macaca mulatta)

Journal Title: Open Veterinary Journal - Year 2012, Vol 2, Issue 2


The objective of the study was to standardize a new method of vasectomy in male rhesus macaques (Macaca mulatta). A total of 208 free range male rhesus macaques captured from different locations in Shivalik Hills in a population control programme of the rhesus macaques in India. General anaesthesia was achieved by using a combination of ketamine hydrochloride at 8 mg/kg body weight and xylazine hydrochloride at 2mg/kg body weight intramuscularly in squeeze cage. Surgical procedure of vasectomy was carried out by single-hole no-scalpel technique using a single pre-scrotal skin incision above the median raphae. Spermatic cord was grasped with ringed forceps and was pulled out through the single-hole incision. Vas deferens was separated from the artery-vein complexus and about 3-4 cm portion of vas deferens was resected. Cauterization of both ends of the vas deferens was achieved with electrocautery. The induction time for anaesthesia was 1.40±0.18 min while surgical time for vasectomy was found to be 5.09±0.22 min. Recovery from general anaesthesia was without side-effects after a mean duration of 36.07±1.22 min, whereas the duration of anaesthesia was observed to be 82.27±4.96 min. There were no major complications following the surgery and recovery of animals was smooth. Animals were kept in postoperative care for five days and released at the same capturing site.

Authors and Affiliations

V. Kumar| Veterinary Officer,Dhauladhar Nature Park- Gopalpur, Palampur,Distt - Kangra, Himachal Pradesh, India.176059, A. Raj| Veterinary Officer,Veterinary Hospital - Deol, Baijnath,Distt - Kangra, Himachal Pradesh, India 176125


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  • EP ID EP9253
  • DOI -
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How To Cite

V. Kumar, A. Raj (2012). No-scalpel vasectomy by electrocauterization in free range rhesus macaques (Macaca mulatta). Open Veterinary Journal, 2(2), 6-9.