TOWN OF VIENNA, Wis. -

An employee at Henry Seed Farms was injured Thursday afternoon when he fell through a vent door of a grain dryer, officials said.

Just after 1 p.m., Dane County sheriff’s deputies responded to 7790 Patton Road in the town of Vienna for reports of an incident, according to a release.

Chongyia Xiong, 54, of Madison, was knocked unconscious when he fell into the grain dryer, deputies said.

He was transported to UW Hospital with serious, but non-life-threatening injuries.

The Occupational Safety and Health Administration is investigating the incident.