4/24/2012 1:20 PM

On April 24, the USDA announced the nation's fourth case of bovine spongiform encephalopathy (BSE), sometimes called mad cow disease, in a dairy cow from central California. Dr. John Clifford, USDA's chief veterinary officer, answers a series of questions about this BSE case.

Should the government step in to help protect farmers' precision ag data?

  • Yes
  • No
  • Unsure

User Submitted Photos

View photos      Submit your photos

8/20/2014 | Last Updated: 4:15 AM