Publication Type: | Journal Article |
Year of Publication: | 1970 |
Authors: | G. Gwynn, W, Kurtz, SM |
Journal: | The Journal of Wildlife Management |
Volume: | 34 |
Date Published: | 1970 |
ISBN Number: | 0022541X |
Keywords: | Rattus norvegicus |
Abstract: | Wild Norway rats (Rattus norvegicus) did not discriminate against diets containing the estrogen antagonist, 1-[2-[p-[α-(p-methoxyphenyl)-β-nitrostyryl]phenoxy]ethyl]pyrrol idine monocitrate, at concentrations of 1.2 μg/g and 3.0 μg/g of food when offered a free choice between treated and untreated rations. These drug concentrations resulted in average dose levels of 15 and 35 μg/rat/day. These levels were sufficient to prevent pregnancy in both groups of 7 rats each, compared with a pregnancy rate of 5 out of 7 in the untreated rats. |
URL: | http://www.jstor.org/stable/3798855 |
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