Infected animals should be killed and burned, the area disinfected, and animals should not be raised within 30 kilometers (19 miles) for one year.
Earnings, adjusted for non-recurring costs, were 47 cents per share, beating Wall Street expectations.
After taking a major stake, Bill Ackman has in the past shaken up the leadership of ailing companies.
Farming associations have been blockading highways with tractors for more than two weeks to protest a planned overhaul of the country’s troubled pension system.
The food industry argues that GMOs, or genetically modified organisms, are safe and a patchwork of state laws isn’t practical. Labeling advocates have been fighting state-by-state to enact the labeling, with the eventual goal of a national...