Journal
EFSA JOURNAL
Volume 19, Issue 10, Pages -Publisher
WILEY
DOI: 10.2903/j.efsa.2021.6856
Keywords
lincomycin; antimicrobial resistance; sub-inhibitory concentration; Feed Antimicrobial Resistance Selection Concentration (FARSC); growth promotion; yield increase; food-producing animals
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EFSA collaborated with EMA to assess the specific concentrations of lincomycin in non-target feed for their effect on resistance and growth promotion. However, due to data gaps, the assessment could not be concluded. Further studies are recommended to fill the data gaps.
The specific concentrations of lincomycin in non-target feed for food-producing animals, below which there would not be an effect on the emergence of, and/or selection for, resistance in bacteria relevant for human and animal health, as well as the specific antimicrobial concentrations in feed which have an effect in terms of growth promotion/increased yield were assessed by EFSA in collaboration with EMA. Details of the methodology used for this assessment, associated data gaps and uncertainties, are presented in a separate document. To address antimicrobial resistance, the Feed Antimicrobial Resistance Selection Concentration (FARSC) model developed specifically for the assessment was applied. However, due to the lack of data on the parameters required to calculate the FARSC, it was not possible to conclude the assessment until further experimental data become available. To address growth promotion, data from scientific publications obtained from an extensive literature review were used. Levels of lincomycin in feed that showed to have an effect on growth promotion/increased yield were reported. It was recommended to carry out studies to generate the data that are required to fill the gaps which prevented the calculation of the FARSC for lincomycin. (C) 2021 European Food Safety Authority. EFSA Journal published by John Wiley and Sons Ltd on behalf of European Food Safety Authority.
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