The effect of white tea (Camellia sinensis) supplementation in sperm extender on Ongole Bull crossbreed sperm quality under cold preservation

This study aims to understand how the antioxidant in White tea extract can support sperm live in sperm extender in 12 h at 5˚C sperm storage. Sperm from productive three Ongole Bull Crossbreeds are collected in the morning twice a week. The examination of fresh semen includes concentration, motility, abnormality, and viability. Sperm extender use skim milk and egg yolk as a based extender, and they are divided into three groups, P0 (control), P1 (supplemented with White tea extract 10%), and P2 (supplemented with White tea extract 20%). The dilution sperm dose equals to 200.106/mL. The examination of diluted sperm includes motility, pH, viability, and abnormality. The result describes that supplementation of White tea extract gave good sperm motility and viability compared with control (P