Investigators say 23 cattle traced to mad-cow infected B.C. dairy cow (Canadian Press via Yahoo! News) VANCOUVER (CP) - Another 23 cattle may have been exposed to the same feed as a B.C. cow that tested positive for mad cow disease. [News Source]

15 herdmates in mad cow case exported to US (Reuters via Yahoo! News) The Canadian Food Inspection Agency said on Friday that 15 herdmates of Canada's latest mad cow case were exported to the United States. [News Source]

Investigators say 23 cattle traced to a B.C. dairy cow found with mad cow (Canadian Press via Yahoo! News) VANCOUVER (CP) - Another 23 cattle may have exposed to the same feed as a B.C. cow that tested positive for mad cow disease. [News Source]

Government: Only 4 to 7 Cows Have Mad Cow (AP via Yahoo! News) There are probably a few undetected cases of mad cow disease in the United States, but the total — estimated at four to seven — is "extraordinarily low," Agriculture Secretary Mike Johanns says. [News Source]

Official: Spread of Mad Cow in U.S. Is Low (ABC News) Official Says There May Be a Few Undetected Cases of Mad Cow in U.S., Otherwise Herd Is Healthy [News Source]

US says its mad cow rate less than one in 1 million (Reuters via Yahoo! News) Mad cow disease in the United States hits fewer than one in 1 million adult cattle, Agriculture Secretary Mike Johanns said on Friday, unveiling an analysis of the U.S. testing program aimed at reassuring trading partners. [News Source]

Official: Spread of Mad Cow in U.S. Is Low (AP via Yahoo! News) There are probably a few undetected cases of mad cow disease in the United States, but the total — estimated at four to seven — is "extraordinarily low," Agriculture Secretary Mike Johanns says. [News Source]

U.S. May Reduce Mad-Cow Testing After Few Cases Found (Update2) (Bloomberg.com) April 28 (Bloomberg) -- The U.S. may reduce the number of tests for mad-cow disease by almost 90 percent after data collected over two years showed the domestic herd is healthy, government officials said. [News Source]

Government: Only 4 To 7 Cows Have Mad Cow (CBS 2 New York) Only four to seven cows in America are likely to have mad cow disease, according to Agriculture Secretary Mike Johanns. CBS News: Mad Cow [News Source]

Government: Only 4 to 7 Cows Have Mad Cow (ABC News) Government Believes Only 4 to 7 Cows Infected With Mad Cow Disease [News Source]