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Luna Azul

Print version ISSN 1909-2474

Abstract

ACOSTA AGUDELO, Sandra Milena; ROMERO PENUELA, Marlyn  and  TABORDA OCAMPO, Gonzalo. DETERMINATION OF OXYTETRACYCLINE RESIDUES IN SAMPLES OF BOVINE MEAT. Luna Azul [online]. 2014, n.39, pp.143-152. ISSN 1909-2474.

The aim of this study was to determine the presence of oxytetracycline (OTC) residues in 149 samples of diaphragm muscle of beef cattle, in a commercial slaughterhouse in Antioquia (Colombia). The samples were processed and purified through solid phase extraction. OTC detection was performed using high performance liquid chromatography (HPLC), the Maximum Residue Limits (MRL) of the European Union was used as reference (MRL > 100 ppb). Forty-nine percent of the samples (n = 73) presented OTC residues, 8% (n = 12) of samples contained amounts of OTC beyond the MRL. Age, breed and origin were not associated with the presence of oxytetracycline residues (p > 0.05). Prevalence of residues is higher among female than male (p = 0.06). It is concluded that although the prevalence of OTC residues in bovine meat evaluated was low, it is clear that the implementation of good farming practices, a system of epidemiological surveillance and training programs for professionals, livestock producers, and staff responsible for the animals should be strengthened, in order to guarantee safe food to consumers.

Keywords : HPLC; tetracyclines; food safety; cattle; muscle.

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