Illegal Use of Clenbuterol in Cattle Production in México

Benjamin Valladares-Carranza, Rómulo Bañuelos-Valenzuela, Silvia D. Peña-Betancourt, Valente Velázquez-Ordoñez, Yadira Velázquez-Armenta, Alejandro Nava-Ocampo

Centro de Investigación y Estudios Avanzados en Salud Animal, Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de México, Unidad Académica de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Zacatecas, Zacatecas, México.
Laboratorio de Toxicología, Departamento de Producción Agrícola y Animal, Universidad Autónoma Metropolitana, México, D.F., México.
Pharma Reasons, Toronto, ON, Canada.
Unidad Académica de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Zacatecas, Zacatecas, México.

DOI: 10.4236/health.2014.68087                

Abstract

Slaughtered cattle (n = 582) from México State were bled for a serological screening of clenbuterol residues, using a commercial enzyme-linked immunosorbent assay (ELISA). Clenbuterol residues were found in a total of 153/582 (26.2%) sera analysed. These results reinforced the assumption of the illegal use of clenbuterol in cattle production in México; therefore, routine screening examinations in slaughtered cattle were strongly advised considering the toxic potential for humans.

Keywords

Clenbuterol; ELISA; Cattle; México

Conflicts of Interest

The authors declare no conflicts of interest.

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