Experiments to date show considerable promise for the feeding of small amounts of iodinated casein to nursing sows. Its use has boosted baby pig gains 27 percent in the first week. This article is a progress report on the results of the three separate experiments so far completed.
Johnson, Conwell W.; Speer, Vaughn C.; Homeyer, Paul G.; and Catron, Damon V.
"Iodinated Casein for Sows Boosts Early Baby Pig Gains,"
Iowa Farm Science: Vol. 11
, Article 3.
Available at: https://lib.dr.iastate.edu/farmscience/vol11/iss9/3