Bull spermatozoa selected by thermotaxis exhibit high DNA integrity, specific head morphometry, and improve ICSI outcome.
Sara Ruiz-DíazRosane MazzarellaPaula Navarrete-LópezRaúl Fernández-GonzálezCelia de FrutosMaría MarotoClaudia CucalaPaula Beltrán-BreñaMarta LombóDimitrios RizosBenjamín PlanellsPublished in: Journal of animal science and biotechnology (2023)
Our results showed that bull sperm selection by thermotaxis has a much higher DNA integrity, small and elongated head size parameters, and different sperm subpopulation structure than the not-selected spermatozoa. Additionally, we evidenced that thermotactic spermatozoa improve ICSI success rates.