An official journal of the Society for Biology of Reproduction and the Institute of Animal Reproduction and Food Research of Polish Academy of Sciences in Olsztyn
Elsevier

September 2013 (No. 3)

Effects of green tea polyphenol on the quality of canine semen after long-term storage at 5°C

Manita Wittayarat, Aya Ito, Taichi Kimura, Zhao Namula, Vien Viet Luu, Lanh Thi Kim Do, Yoko Sato, Masayasu Taniguchi*

Department of Animal Reproduction, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan

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Abstract
The aim of the present study was to determine the effects of green tea polyphenol on the quality of canine semen after long-term storage at 5 °C. The supplementation of a Tris-egg yolk extender with polyphenol (0.5, 0.75, or 1 mg/mL) increased the motility and viability of sperm preserved for four weeks at 5 °C.

Reproductive Biology 2013 13 3: 251–254.

* Corresponding author: Department of Animal Reproduction, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi 753-8515, Japan; E-mail address: masa0810@yamaguchi-u.ac.jp (M. Taniguchi).