vials containing 2, 5 and 25 grams of tetracycline powder

Milk Residues and Tetracycline Use

By Peggy Coffeen on

The threat of tetracycline residues ending up in the bulk tank is one for dairy producers to take seriously. While the legal limit for the drug in milk is 300 ppb in the U.S. and 100 ppb in Canada, there are processors running tests that can detect as little as 10 to 30 ppb – and by some of their standards, that could mean rejecting a load of milk.