WASHINGTON — Government officials were trying today to trace a cow shipped to the United States from the same Canadian herd as an animal infected with mad cow disease, yet officials said it was ...

WASHINGTON - Government officials were trying Friday to trace a cow shipped to the United States from the same Canadian herd as an animal infected with mad cow disease, but officials said it was ...

WASHINGTON — Scrambling to trace the history of a bovine afflicted with “mad cow” disease, Canadian authorities quarantined two additional farms Wednesday where the animal had spent time and tried to ...

A federal appeals court ruled Thursday that Canadian cattle can again be imported to the United States, dismissing a lower court decision that resuming the imports could spread mad cow disease. The ...

TORONTO — The announcement by Canadian authorities of another case of mad cow disease could strengthen the case of a group of U.S. cattlemen who want a ban against cross-border cattle trading to ...