Meat, poultry shares decline; Wisconsin declares state of emergency.

Wisconsin implements movement bans; a second farm affected in Ontario.

The USDA develops new announcement protocol in anticipation of more infections.

USDA says finding is a first in a US commercial chicken farm.

The poultry processor plans to invest $50 million on various projects.

Todd Beal joins the company from Hain Pure Protein.

Major poultry-producing county is affected, officials said.

Local city council approves tax abatements.

The company faces possible enforcement action.