The Associated Press

SPRINGFIELD, Ohio - A dairy linked to a salmonella outbreak that infected 50 people will no longer sell or use raw unpasteurized milk, ending a 45-year tradition.

The company traced the outbreak back to one batch of unpasteurized milk on Nov. 29.

"I just don't want to risk that happening again. We need to ensure the safety of our guests," Dan Young, chief executive officer of Young's Jersey Dairy, said Friday.

The dairy, which operates a restaurant near Yellow Springs, Ohio, was the focus of an investigation by the state departments of health and agriculture after customers at the dairy last month became sick.

Young's had been selling unpasteurized milk and using it in milk shakes. Pasteurization kills contaminants such as salmonella, which causes symptoms such as vomiting, diarrhea, nausea and abdominal pain.

Sixteen confirmed with the bacteria were Young's employees.