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  • Title: [Organochlorine pesticides in cows'milk supplemented with cotton waste in San Pedro, Colombia].
    Author: Hernández M, Vidal JV, Marrugo JL.
    Journal: Rev Salud Publica (Bogota); 2010 Dec; 12(6):982-9. PubMed ID: 22030685.
    Abstract:
    OBJECTIVE: Ascertaining the presence of organochlorine pesticides (OCPs) in raw milk from cows grazing on traditional cotton farms in San Pedro, Sucre, Colombia. MATERIALS AND METHODS: 48 samples were taken from three cattle farms; two of them used cotton seed and soca dietary supplement.OCP concentration was determined by gas chromatography (GC) using an electron capturedetector (µ-ECD). RESULTS: 100 % of the samples had some type of OCPs and Endrin, DDT and Aldrin pesticides hadthe highest concentrations (0.62, 0.59 and 0.52 µg/mL, respectively). Farms supplementing feed with soca cotton had the greatest OCP presence and concentration in milk samples compared to samples from farms which did not engage in this practice. CONCLUSION: Although most OCPs have been banned in Colombia since 1986, residues are still being presented in raw milk samples tested from cottongrowing farms, thereby creating a public health risk for consumers.
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