Cryopreservation of semen without using egg yolk

Panayiota Siskos ’23 Cryopreservation of semen conserves genetic information and allows fertilization via artificial insemination. Egg yolk is an ingredient of bull semen extender, which buffers sperm from temperature and environmental stressors. However, egg yolk composition is very variable between different producers. Cholesterol is a molecule that strengthens membrane structures. Increasing cholesterol content in sperm plasma membrane increases cryotolerance, allowing sperm to survive freezing temperatures. … Continue reading Cryopreservation of semen without using egg yolk

Cryopreservation of semen without using egg yolk

Panayiota Siskos ’23 Cryopreservation of semen conserves genetic information and allows offspring to inherit the traits of genetically superior organisms via artificial insemination. Egg yolk is an ingredient of bull semen extender, a liquid diluent that acts as a buffer that protects sperm from changes in temperature and environmental conditions. However,  egg yolk is an ingredient that is hard to standardize due to variations between … Continue reading Cryopreservation of semen without using egg yolk