A.S. Series 70-6
Selenium is a mineral element which is found as a natural substance in soil, plants and animals. Although it occurs in relatively small quantities it has frequently been found in toxic amounts in some parts of South Dakota. Recent studies have shown it to be essential and it is being regarded in animal nutrition as a valuable trace element. Other trace elements such as copper and iodine have been shown to be beneficial in animal diets and are routinely added to feeds. In order to study what effects added selenium would have in chicken diets we conducted the following experiment.
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Department of Animal Science, Agricultural Experiment Station, South Dakota State University
Arnold, R. L. and Carlson, C. W., "Can Selenium Increase Egg Production?" (1970). South Dakota Poultry Field Day Proceedings and Research Reports, 1970. 7.