Dominant lethal mutations in male mice fed γ-irradiated diet

Chauhan, P. S. ; Aravindakshan, M. ; Aiyar, A. S. ; Sundaram, K. (1975) Dominant lethal mutations in male mice fed γ-irradiated diet Food and Cosmetics Toxicology, 13 (4). pp. 433-436. ISSN 0015-6264

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Three groups of Swiss male mice were fed a stock ration or an unirradiated or irradiated (2·5 Mrad) test diet for 8 wk. After the feeding period, the males were mated with groups of untreated female mice for 4 consecutive weeks. The females were autopsied at mid-term pregnancy for evaluation of dominant lethal mutations. Numbers of dead implantations, including deciduomas and dead embryos, showed no significant differences among the different groups, thus producing no evidence of any induced post-implantation lethality in mice fed on irradiated diet. Similarly, there was no indication of pre-implantation lethality, since implantation rates remained comparable among different groups. Consumption of irradiated diet did not affect the fertility of mice. Total pre- and post-implantation loss, as indicated by the numbers of live implantations remained comparable among all the groups of mice.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:40750
Deposited On:25 May 2011 05:39
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