Effect of DDT on Testes and Secondary Sex Characters of White Leghorn Cockerels

Abstract
Chicks given daily subcut. injns. of DDT (M.P. 109[degree] C) starting 8 days post-hatch showed marked inhibition of testes and secondary sex characters when examined 60 to 89 days later. There was also a slight decrease in the red blood cell count, but no difference in Hb levels or body wt. between exptl. and control animals. The structural similarity between DDT and certain synthetic estrogens is pointed out.
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