Lyudmila BASHLYKOVA, оksana RASKOSHA, Natalia STAROBOR

Induction of abnormal sperm heads in small mammals under chronic ionizing radiation

The results of this study show a mutagenic effect of low-dose ionizing radiation in male germ cells. The damage of male germ cells was assessed by the frequency of abnormal sperm heads in tundra voles (Microtus oeconomus Pall.), bank voles (Myodes glareolus Schreb.), and field mice (Apodemus agrarius Pall.) from the 30 km exclusion zone around the Chernobyl nuclear power station and for laboratory animals (mice and rats) under chronic γ-irradiation. The abnormal sperm head detection method used appeared to be sensitive to conditions of low-dose irradiation and can consequently be recommended as a bioindicator to monitor environmental radiation pollution.

Keywords:

Abnormal sperm heads long-term irradiation, low-dose rate, small mammals,

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