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Can Vet J. 2004 Jan;45(1):35-41.

A comparison of electroejaculation and epididymal sperm collection techniques in stallions.

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1
Clinical and Population Sciences, University of Minnesota, 1365 Gortner Avenue 225 VTH, Saint Paul, Minnesota 55108, USA.

Abstract

The purpose of this study was to evaluate 2 methods of semen collection that could be used as terminal procedures in stallions with irreparable conditions, such as fractures or colic. Electroejaculation was attempted under general anesthesia. Forty-eight hours later, the ponies were castrated and 2 different epididymal sperm collection techniques were attempted by using a flushing or floating method. Additionally, the effect of supplemental seminal plasma was evaluated. Experimentally, electroejaculation was found to be a safe but ineffective method of terminal semen collection. Viable sperm cells were successfully recovered with both types of epididymal collection. The flotation method was least cumbersome and showed a tendency to be superior to flushing in terms of sperm motility and percentage of cells passing through glass wool/sephadex filtration, although differences did not reach significance. The addition of seminal plasma to epididymal spermatozoa prior to cryopreservation was of no value. In conclusion, either method of epididymal sperm collection is an acceptable method of terminal semen collection.

PMID:
14992252
PMCID:
PMC539225
[Indexed for MEDLINE]
Free PMC Article

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