Multi-Residue Screen (Option 1)

Method Used

LC-MS/MS
LOD (limit of detection)

Meets or exceeds EU legislative requirements
Accreditation

ISO 17025
Standard Turnaround Time

10 working days

As well as accredited analyses for a range of matrices from food producing animals. Fera also provide bespoke method development solutions and un-accredited analyses for other analyte/matrix combinations. Processed meat and samples high in fat may present an analytical challenge and require additional method development prior to analysis and as such cannot always be analysed using accredited methodology. Please get in touch using the contact details on this page to confirm testing requirements and accreditation status if unsure.

Fera’s ISO 17025 accreditation status can be found at https://www.ukas.com/download-schedule/1642/Testing/.

Antimicrobial substances are commonly used by producers to support animal welfare. Their ability to control and prevent disease, as well as increasing weight gain, has led to widespread use within the agricultural industry.

The monitoring of residues of authorised veterinary medicines is important to ensure that residues that exceed established legal limits do not enter the food chain. Maximum Residue Limits (MRLs) have been defined for antimicrobial substances in Commission Regulation (EU) 37/2010 and subsequent amendments.

Testing is carried out using liquid chromatography–tandem mass spectrometry (LC–MS/MS), and has been validated in accordance with the principles set out in Commission Decision 2002/657/EC, for the majority of analyte / matrix combinations.

Veterinary Medicines Included

Veterinary Medicine Group	Veterinary Medicine
b-lactams	Amoxicillin, Ampicillin, Cloxacillin, Dicloxacillin, Nafcillin, Oxacillin, Penicillin G, Penicillin V
Cephalosporins [milk]	Cefalexin, Cefalonium, Cefapirin, Cefazolin, Cefoperazone, Cefquinome, Ceftiofur Desacetylcephapirin
Macrolides	3-0-Acetyltylosin, Erythromycin, Gamithromycin, Josamycin, Lincomycin, Pirlimycin, Spiramycin, Tildipirosin, Tilmicosin, Tulathromycin, Tylosin, Tylvalosin, Virginiamycin
Other	Dapsone, Rifampicin, Valnemulin
Quinolones	Ciprofloxacin, Danofloxacin, Difloxacin, Enrofloxacin, Flumequine, Marbofloxacin, Nalidixic acid, Norfloxacin, Oxolinic acid, Sarafloxacin
Sulfonamides (Sulphonamides)	Sulfachloropyridazine, Sulfadiazine, Sulfadimethoxine, Sulfadoxine, Sulfaguanidine, Sulfamerazine, Sulfamethazine, Sulfamethizole, Sulfamethoxazole, Sulfamethoxypyridazine, Sulfamonomethoxine, Sulfamoxole, Sulfanilamide, Sulfapyridine, Sulfaquinoxaline, Sulfathiazole, Sulfisoxazole, Trimethoprim
Tetracyclines	Chlortetracycline, 4-Epichlortetracycline, Doxycycline, Oxytetracycline, 4-Epioxytetracycline, Tetracycline, 4-Epitetracycline

Full List of Veterinary Medicine Analytes List

For the full list of veterinary medicines we can test for please follow the link below:

Full Veterinary Medicine Analyte List

The use of LC-MS/MS for screening has advantages over the traditional tests based on microbial growth inhibition. The identity of any substance present can be unequivocally confirmed, along with an estimation of the concentration present. There is therefore no requirement for repeat analyses due to false positives which are prevalent in microbial growth inhibition tests.

Confirmatory Analysis

Confirmatory analysis, where required, will be at the same value as the analysis performed. Fera will contact you beforehand to establish if the additional analysis is required. The delivery time for confirmatory results will be 10 working days from your instruction to proceed.

Please contact us to discuss volume discounts.

Detail	Specification
Standard Turnaround Time	10 working days
Method Used	LC-MS/MS
LOD (limit of detection)	Meets or exceeds EU legislative requirements
Accreditation	ISO 17025

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Veterinary Medicines Multi-Residue Screen (Option 2)

Within this multi-residue screen, Option 2, Fera food safety experts highlight the presence of over 70 veterinary medicines within one single screen. These analytes fall into the following main classes : Anthelmitics, Coccidiostats, and Sedatives.

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Veterinary Medicines Multi-Residue Screen (Option 1)

Method Used

LC-MS/MS

LOD (limit of detection)

Meets or exceeds EU legislative requirements

Accreditation

ISO 17025

Standard Turnaround Time

10 working days