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Centrifugation Cushion Vs. Spermfilter™: Effects On % Recovery, Holly S. Hopkins
Centrifugation Cushion Vs. Spermfilter™: Effects On % Recovery, Holly S. Hopkins
MSU Graduate Theses
It has been demonstrated that removing seminal plasma and resuspension of the sperm pellet in various diluents will improve the post-storage motility of spermatozoa from some stallions. This typically involves centrifugation. However, a sperm filtering device marketed by Botupharma (Phoenix, AZ) allows seminal plasma removal without a centrifuge. This study compared spermatozoa recovery rates using this device vs. centrifugation with and without a cushion. Thirteen ejaculates were collected from three quarter horse stallions. Prior to treatment, aliquots were diluted with Dulbecco's modified PBS at a dilution rate of 1:1. For the two centrifugation treatments, 12 ml of the diluted semen …