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 Hog market slides as pork prices, cash trade weaken - CME Market Trends Markets and economics 1 July 2025 2 minute read EU, Ukraine strike new farm trade deal Markets Imports and Exports Trade 1 July 2025 2 minute read Revised pact limits key imports, expands quotas on others Hilton Foods to invest $192 million in Ontario facility Processing Company News 30 June 2025 1 minute read New plant to create 150 jobs in Ontario’s food processing sector Our Partners Lallemand Lanxess Hamlet Protein