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Effects of orvus ES paste on canine spermatozoal longevity after freezing and thawing
1Department of Reproduction, Nippon Veterinary and Animal Science University, Musashino-shi, Tokyo, Japan.
The Journal of Veterinary Medical Science
|June 14, 2000
Abstract:
Because of weak resistance of canine sperm to freezing, an applicable method of preparing canine frozen semen has not yet been established. We added various concentrations of Orvus ES Paste (OEP) to egg yolk Tris-fructose citrate, and investigated its effectiveness on survival of spermatozoa. Addition of 0.5-1.0% OEP to the extender for freezing canine semen was effective in prolonging post-thaw survival of spermatozoa.