الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
Green tea extract is plant–derived natural antioxidant. The purpose of this study was to investigate the effect of the supplementing semen extender (Tris-citric-soybean lecithin) with different levels of aqueous (AGTE) or methanolic (MGTE) green tea extract (0.5, 1.0 and 1.5%) on the motility, livability, normality, plasma membrane integrity, and kinetic parameters of ram spermatozoa in diluted, equilibrated, and thawed semen as well as sperm DNA damage and apoptosis, and lipid peroxidation in thawed semen. Semen was collected from 5 rams once a week for 7 weeks using an artificial vagina.