[Functional activity of the testes of dogs exposed to chronic gamma irradiation over a 3-year course].
During three years 36 male dogs were exposed to chronic irradiation with a total dose of 21, 62 and 125 rad per year. tin addition to this irradiation at a dose rate of 62 rad per year, some dogs were also exposed to acute irradiations three times a year with a dose of 42, 8 and 8 rad and 42, 42 and 42 rad (at the combined irradiation the total doses were 120 and 190 rad per year). The study of the functional activity of testes gave the following results. The males that were chronically irradiated with a total dose of 125 rad per year showed hypospermia after 8-10 months of the experiment. The dogs that were exposed to combined irradiation displayed oligospermia after 5-7 months of the experiment which persisted throughout the period of 3 years. These effects depended on the dose rate, total dose and scheme of irradiation.
D000818:Animals; D003359:Cosmic Radiation / Q000009:adverse effects; D004285:Dogs; D004307:Dose-Response Relationship, Radiation; D005260:Female; D005720:Gamma Rays / Q000009:adverse effects; D008297:Male; D011247:Pregnancy; D012098:Reproduction / Q000528:radiation effects; D013091:Spermatogenesis / Q000528:radiation effects; D013094:Spermatozoa / Q000528:radiation effects; D013737:Testis / Q000528:radiation effects*; D013997:Time Factors
Funktsional'naia aktivnost' semennikov sobak pri khronicheskom gamma-obluchenii v techenie trekh let.