Animal Science Complex 114
Animal Science-Box 2170
University Station
Brookings, SD 57007
Bob Thaler supports the citizens of South Dakota as a Farm Credit Services of America Endowed Chair in Swine Production, Distinguished Professor and SDSU Extension Swine Specialist at the South Dakota State University campus in Brookings.
This fact sheet explains what heavy metals are, how they enter swine manure, how they behave in soil, and what practical steps producers can take to reduce long-term risks.
This fact sheet explains how feeding strategies, especially the use of low-phytate corn and related diet adjustments, can reduce phosphorus excretion in swine manure.
This fact sheet explains how nitrate leaching occurs, why swine manure increases risk under certain conditions, and what producers can do to keep nitrogen where crops can use it.
