Home
Products
Information
Basics
Legal Basis (Europe)
MRLs
Detection Sensitivity
Test Performance
Company
Contact
Imprint
Distributors
Legal Basis (Europe)
The use of anti-infectives is
indispensable for the treatment of illness in animal farming. However,
it must be taken into account that animals treated in this way excrete
the anti-infectives administered in both altered and unaltered form
through their urine, faeces, and also in their milk. The treatment of
mastitis, in particular, requires that antibiotics and other anti-infectives
be administered directly into the udder; these are then discharged in
the milk. Contamination of milk is therefore unavoidable during
treatment of mastitis with anti-infectives, and also for a certain
period after conclusion of treatment. Statutory withdrawal times must
therefore be observed after the use of veterinary medicines before the
next milk delivery.
Within the European Union, uniform European maximums (MRL= Maximum
Residue Limit) for veterinary medicinal residues in foodstuffs of animal
origin, and thereby also in milk, were set down by law in EEC Regulation
No. 2377/90. According to EEC Regulation, in order to safeguard the
consumer from inhibitory substances or residual anti-infectives milk may
only be brought into circulation if the statutory maximum (MRL = Maximum
Residue Limit) in the milk be not exceeded.
A microbiological inhibitor test for the qualitative detection of
antibiotics and sulfonamides in both raw and heat-treated milk which is
required to contain the test bacterium Geobacillus stearothermophilus
var. calidolactis is described in the decision of the Commission
(91/180/EEC). The Brilliant Black Reduction Test is one such procedure.
In 1982 the BRT was recognized in Germany as an official inspection
method for the detection of inhibitors in tanker milk, and was accorded
a place in the official register of inspection procedures according to
§35 LMBG (today § 64 LFGB). Since then the method has been amended many
times, most recently in February 1996.