Ag Waste's venture uses sound waves to reduce the smell of hog manure. IOWA - Ames company that is developing a system that uses sound waves to reduce the stink of hog manure has received equity financing from three Des Moines companies. 29 July 2003 2 minute read Our Partners Lallemand Lanxess Hamlet Protein More News View all AHDB says latest forecasts show global pork production to shift whilst volumes hold steady Markets Imports and Exports Trade 12 May 2025 1 minute read World Pork Expo 2025 registration is open World Pork Expo 12 May 2025 2 minute read Register today to attend the premier US pork industry event held in Des Moines, Iowa on June 4-5. June lean hog futures rise 0.40 cent - CME Market Trends Markets and economics 12 May 2025 2 minute read Cattle notch record highs on strong demand Our Partners Lallemand Lanxess Hamlet Protein