“…This is probably due the medium composition. TES-TRIS contains less buffers and fructose than CWS and ACP-118 ® which are rich in membrane stabilizers (Tan et al, 2014) such as potassium, sodium, calcium, magnesium, glucose and sucrose (Hincha et al, 2006;Yan et al, 2014). Semen dilution results in a decreased concentration of natural antioxidants present in the seminal plasma which results in a redox system imbalance, stress, and subsequent impairment of sperm motility, viability and capacity for fertilization (Agarwal et al, 2006;De Lamirande and O'Flaherty, 2008).…”