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Subtle Teratogenic Effects Of Locoweed In Rats, Benjamin K. Nelson
Subtle Teratogenic Effects Of Locoweed In Rats, Benjamin K. Nelson
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Locoweed, a well-known teratogenic plant affecting livestock, is prevalent in mountain regions of the Western United States. Two common species (Astragalus lentiginosus and A. wootoni), administered to pregnant rats, induced behavioral deviations in their offspring. Treated mothers consumed less feed and gained less wieght during gestation than controls when gavaged locoweed at the rate of 1 gram whole plant per day on days 7 through 17 of gestation. A. lentiginosus reduced pup weight at birth (13% less than controls) and this weight reduction (as much as 29% less than controls) continued at least four weeks. A. lentiginosus also …