Iraqi Journal of Veterinary Sciences

Abstract

The aim of this study is to evaluate using chemical method by oral imipramine and intravenous injection of xylazine for semen collection from donkeys in a field condition. Five mature male donkeys were used in this study weighting 120-150 Kg, aged 2-4 years, kept in the animal house of the Veterinary Collage, University of Mosul. Semen collections were performed by administration of a combination of imipramine hydrochloride 3 mg/kg. BW orally then 2 hours later, intravenous xylazine hydrochloride was injection as 1.1 mg/kg BW then semen was collected in ballistic tube. A total of 29 ejaculates from 30 trials were collected successful with a successful rate up to 96.6%. Semen characteristics of these donkeys were volume 60.1±2.9 ml, individual motility 53.5±2.0%, sperm concentration 60.2±1.7×106/ml sperm abnormalities 9.5±3.3%, live sperm 57.2±4.5% and PH 7.3±1.8. It could be concluded that, chemical method could be used successfully for semen collection from donkeys.