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South Dakota Agricultural Experiment Station
Abstract
Steers were graced on a highly seleniferous range for two years, starting as yearlings. The steers allowed slightly less than normal range per animal made the poorest gain but there was no marked advantage in allowing excess range.
Steers fed 25 p.p.m. of arsenic in the salt made the best gains and sold at a slightly better price than the others. Furthermore, the incidence of symptoms of selenium poisoning was reduced by this treatment.
The selenium content of organs and tissues was determined on samples taken at the time of slaughter.
1 Approved for publication by the Director of the South Dakota Agricultural Experiment Station, Brookings S. D., as paper No, 185 of the Journal Series.
2 The authors wish to thank Prof. I. B. Johnson and Dr. L. E. Johnson of the Animal Husbandry Department for their helpful assistance in connection with this study.
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