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Updated: Oct 12, 2025

Sperm Collection of Differential Quality Using Density Gradient Centrifugation
Published on: November 29, 2018
An Update on Semen Physiology, Technologies, and Selection Techniques for the Advancement of In Vitro Equine Embryo
Morgan F Orsolini1, Stuart A Meyers2, Pouya Dini1
1Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, CA 95616, USA.
Abstract:
As the use of assisted reproductive technologies (ART) and in vitro embryo production (IVP) expand in the equine industry, it has become necessary to further our understanding of semen physiology as it applies to overall fertility. This segment of our two-section review will focus on normal sperm parameters, beginning with development and extending through the basic morphology of mature spermatozoa, as well as common issues with male factor infertility in IVP. Ultimately, the relevance of sperm parameters to overall male factor fertility in equine IVP will be assessed.

