Source:
Wisconsin Ag ConnectionThe Food and Drug Administration will soon begin a milk sampling program aimed at approximately 900 dairies across the U.S. that have had a meat residue violation in the past three years.
The dairies will be randomly selected from a national pool of 1600-1800 dairies. The FDA is concerned that operations that have marketed an animal with a confirmed meat residue may be at higher risk of selling milk with violative residues, particularly with non beta-lactam drugs. Of particular interest are the anti-inflammatory drug flunixin meglumine and the sulfa family of drugs.
Since the announcement of FDA's intent, dairy organizations and co-ops have provided information to producers, and many veterinarians and dairy producers have been looking at their treatment protocols and withholding times more closely.
However, there are still some questions producers have about the process and the consequences of the testing program. And, probably more important is: What are the reasons for the residues seen and what should we look for to tighten up our drug use procedures?
Read more:
http://www.wisconsinagconnection.com/story-national.php?Id=403&yr=2011
Actually that's the whole article, so the "read more" bit is misleading.