4.4 Article

A novel, patented method for semen collection in dromedary camel (Camelus dromedarius)

Journal

REPRODUCTION IN DOMESTIC ANIMALS
Volume 58, Issue 2, Pages 238-245

Publisher

WILEY
DOI: 10.1111/rda.14280

Keywords

artificial vagina; camel; electroejaculation; semen collection; sperm motility; sperm viability

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In this paper, a method called the 'Camel Semen Collection Kit-CSCK' is proposed to solve the problem of semen collection in dromedary camels. The CSCK method showed a high success rate and good quality in semen collection. It is a practical and feasible method that can be widely applied in untrained camels.
In the current article, a developed, patented method denoted the 'Camel Semen Collection Kit-CSCK', was designed to solve the problem of semen collection in dromedary camels. CSCK is composed of three main parts: (1) Semen collection sac: made from supersensitive flexible low-density polyethylene- (LDPE); (2) Metal stainless steel applicator: designed to introduce the collection sac intravaginally and fixate it to the vaginal wall of a female camel through air insufflation; (3) Fixation sticker: a cushion sheet sticker is used to secure the outer portion of the collection sac to the female's perineal area. Semen was collected twice a week from eight dromedary bulls by using electroejaculation (EJ), artificial vagina (AV) and CSCK. Successful semen collections were 81.3%, 84.4% and 43.8% using EJ, CSCK and AV techniques respectively. Semen obtained by EJ technique showed lower semen volume, gross activity, sperm concentration, total sperm motility and percentage of live sperm cells compared to the other two techniques. Semen collected by CSCK showed a longer collection period and higher volume, gross activity, sperm motility and percentage of live spermatozoa and a lower rate of visible contamination compared to AV technique. The advantages and disadvantages of the three techniques were compared and discussed. In conclusion, CSCK represents a practical and easy method to reliably collect high-quality semen from any untrained male dromedary camel and may facilitate the widespread application of assisted reproductive technologies (ARTs) on a large scale in this species.

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