Assessment of Stilbene Residues in Calves through Analytical Control in Korça Region in Albania

Ali Lilo, Kapllan Sulaj


The hormonal substances are used for different proposes in animal treatment. Sometimes these substances are used for animal feeding or are used as growth promoters in cattle. Application of stilbenes as growth promoters in calves is done in illegal way. Residues of these substances in calve s‟ meat are exposing consumers with high level of concentration causing toxic syndromes associated with carcinogenesis in human. Control of stilbene residues in calves especially
in in Albania is important because the calves' meat is delicious food. This study evaluated situation of stilbene residues (diethylstilbestrol, hexerol) in 112 urine samples collected from calves in region of Korca. The analytical check is carried out in 2014 by using ELISA test as qualitative screening method for detection of stilbenes in urine samples. Diethylstilbestrol and hexerol residues are detected in 6, 2% (7/112) of urine samples collected from farms and slaughterhouses. The incidence of diethylstilbestrol residues in urine samples collected from farms was 4% (3/75) and 5.4% (2/37) in urine samples came from slaughterhouses. The incidence of hexerol in urine samples collected from different farms was 2.7% or 2 out 75. No positive cases of hexerol residues are confirmed in urine samples taken from slaughterhouses.

Keywords: stilbens, residues, calves, Korça, Albania.

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