Will also pay millions in restitution for 2017 incident that killed five workers

Employees were injured in Sept. 10 explosion at plant in Decatur, Illinois, US

Included rescue tube and specialized training to Iowa fire department

Cedar Head LLC cited for nine serious safety violations

Four employees remain hospitalized following Sept. 10 explosion

Soybean, corn operations suspended in Decatur, Illinois, US

Cause of blast unknown at Decatur, Illinois, US, facility

US animal food business projected to generate sales of $267 billion

Discovered by employees conducting maintenance activities

Russia-Ukraine war, climate change having adverse impact on the industry