Iodine is now generally believed to be absolutely essential for the proper growth and development of the mammalian organism, and its use in animal feeding is becoming more and more general, particularly in goitrous regions.
Proceedings of the Iowa Academy of Science
©1924 Iowa Academy of Science, Inc.
Evvard, John M. and Culbertson, C. C.
"Iodine, a Factor in Feeding Young Growing Swine,"
Proceedings of the Iowa Academy of Science, 31(1), 309-317.
Available at: https://scholarworks.uni.edu/pias/vol31/iss1/89