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𝘐𝘧 𝘵𝘩𝘦 𝘴𝘵𝘶𝘥𝘺 𝘪𝘴 𝘤𝘰𝘯𝘵𝘳𝘰𝘭𝘭𝘦𝘥 𝘱𝘳𝘰𝘱𝘦𝘳𝘭𝘺, 𝘯𝘦𝘨𝘢𝘵𝘪𝘷𝘦 𝘥𝘢𝘵𝘢 𝘪𝘴 𝘫𝘶𝘴𝘵 𝘢𝘴 𝘪𝘮𝘱𝘰𝘳𝘵𝘢𝘯𝘵 𝘢𝘴 𝘱𝘰𝘴𝘪𝘵𝘪𝘷𝘦 𝘳𝘦𝘴𝘱𝘰𝘯𝘴𝘦𝘴. 𝘚𝘰𝘮𝘦𝘵𝘪𝘮𝘦𝘴 𝘵𝘩𝘢𝘵'𝘴 𝘢 𝘭𝘪𝘵𝘵𝘭𝘦 𝘤𝘩𝘢𝘭𝘭𝘦𝘯𝘨𝘪𝘯𝘨 𝘧𝘰𝘳 𝘨𝘳𝘢𝘥𝘶𝘢𝘵𝘦 𝘴𝘵𝘶𝘥𝘦𝘯𝘵𝘴 𝘵𝘰 𝘶𝘯𝘥𝘦𝘳𝘴𝘵𝘢𝘯𝘥 𝘵𝘩𝘢𝘵 𝘯𝘰 𝘥𝘪𝘧𝘧𝘦𝘳𝘦𝘯𝘤𝘦 𝘤𝘢𝘯 𝘣𝘦 𝘪𝘯𝘴𝘪𝘨𝘩𝘵𝘧𝘶𝘭..." - 𝗗𝗿. 𝗟𝗲𝗲 𝗝𝗼𝗵𝗻𝘀𝘁𝗼𝗻

𝗪𝗵𝗮𝘁 𝘆𝗼𝘂 𝘄𝗶𝗹𝗹 𝗹𝗲𝗮𝗿𝗻:

1. Definition of water quality;
2. Iron levels;
3. Influence in pig performance;
4. Thoughts on meta-analysis and no-response studies;
5. Improving piglet survival through zinc for gestating sows.

𝗠𝗲𝗲𝘁 𝘁𝗵𝗲 𝗴𝘂𝗲𝘀𝘁: Dr. Johnston has been a faculty member in the Department of Animal Science at the University of Minnesota since 1988 and has reached the rank of Professor. His primary research interests are nutrition and management of the sow, feed ingredient evaluation, renewable energy use in pork production, and management of systems for pork production. As a part of this work, Lee has published over 116 scientific papers, 177 scientific abstracts, and four book chapters. Lee was named the Distinguished Alumnus by the Penn State Department of Dairy and Animal Science in 2014, and that same year was named a "Master of the Pork Industry" by National Hog Farmer magazine. He also serves as Director of Operations at his research center and oversees programs in Dairy Production, Renewable Energy, Horticulture, and Agronomy.