He identified himself as a meat processor during the 1988 federal election.
The national association of meat processors felt under attack.
And meat processors have expanded their marketing efforts to accommodate busy families in which both parents work.
On the other hand, any company that sold such testing equipment to a meat processor could be breaking the law, he said.
Many meat processors now remove these marks as they discourage customers.
The meat processor was sold, as were the Mexican restaurants and the art collection.
Tyson Foods, the world's biggest meat processor, fell 7.7 percent, to $12.90 a share.
But all the smoke-blowing around meat processors is obscuring the real problem.
The machinery, which costs $50,000 to $150,000, is used by about 75 percent of the nation's largest meat processors.
The meat processors have lobbied hard to get rid of the salmonella testing.