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Beta-lactam Antibiotic Test Sensitivity

*The tolerance is 100 ppb for the marker residue and 50 ppb for the ceftiofur parent compound.

The NaturalCheck test can detect the ceftiofur parent compound to a level of 80 ppb.

Note that U.S. tolerance and safe levels are based upon FDA memo located at: http://vm.cfsan.fda.gov/~ear/mi-05-5.html