Mice: Fighting by Neonatally Androgenized Females

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Science  06 Sep 1968:
Vol. 161, Issue 3845, pp. 1027-1028
DOI: 10.1126/science.161.3845.1027


Administration of testosterone propionate to female mice on the day of birth resulted in increased fighting after administration of testosterone during adulthood. This fighting, comparable to fighting among normal male mice, suggests that early androgenic stimulation organizes neural structures mediating aggression in the mouse.

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