Impacts of ultraviolet irradiation on the sperm motility and longevity of Acipenser baerii.

Chinese Journal of Applied Ecology ›› 2011, Vol. 22 ›› Issue (08): 2179-2183.

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Impacts of ultraviolet irradiation on the sperm motility and longevity of Acipenser baerii.

ZHANG Tao1, YAN Shi-wei1,2, ZHANG Long-zhen1, ZHUANG Ping1,2, TIAN Mei-ping3, YAN Wen-gang1, JIANG Qi4, YAO Zhi-feng3

1Ministry of Agriculture Key and Open Laboratory of Marine and Estuarine Fisheries Resources and Ecology, East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai 200090, China; 2College of Life Science and Technology, Dalian Fisheries University, Dalian 116023, Liaoning, China; 3College of Fisheries and Life Science, Shanghai Ocean University, Shanghai 201306, China; 4Hangzhou Qiandaohu Xunlong Technology Development Co. Ltd., Hangzhou 330127, China

Online:2011-08-18 Published:2011-08-18

Abstract

Abstract: This paper studied the impacts of different dose ultraviolet irradiation (254 nm, UVC) on the sperm motility and longevity of Acipenser baerii. Ultraviolet irradiation had significant impacts on the sperm motility, its fast motion
time, and longevity. With the increasing dose of ultraviolet irradiation, the s
perm motility decreased rapidly first, increased rapidly then, and decreased rapidly again. The sperm fast motion time had the similar variation trend as the spe
rm motility, but the sperm longevity kept decreasing with increasing dose of ult
raviolet irradiation. When the ultraviolet irradiation dose increased to 288 mJ·
cm-2, the sperm fast motion disappeared; when the ultraviolet irradiation
dose increased up to 324 mJ·cm-2, the sperm had no motility and died. According to the “Hertwig effect”, the optimum ultraviolet irradiation dose for inactivating A. baerii sperm was 216 mJ·cm-2.

Key words: Acipenser baerii, sperm, ultraviolet irradiation, motility, longevityser

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Impacts of ultraviolet irradiation on the sperm motility and longevity of Acipenser baerii.

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