Abstract

Two hundred and forty samples of milk products were examined for ß-Lactam antibiotics residues by using a quantitive technique (Sandwich-ELISA). Basically, the study comprised three different dairy farm animals (buffalo, cow, and sheep), the samples were collected from Mosul city farms, and compared to imported dairy products from exotic sources. Apparent ß-Lactam residues were found most of the milk products, considerably local and imported products. In terms of local milk products were 50% of cow, 60% of sheep, and 20% of buffalo mostly free from antibiotic residue. In contrast, imported milk products were 90% of cow, 70% of Sheep, and 10% of buffalo, also free from antibiotic residue and suitable for human consumption. However, there were many samples of milk products contaminated with ß-Lactam residue, in particular, buffalo products were high concentrations of ß-Lactam compounds, regardless of whether local and imported products. With respect to cow products, 50 % of local samples compared to 10 % of imported samples were contaminated with ß-Lactam residues. Whereas in sheep products, 40% of local products compared to 30% of imported products were high concentration of antibiotic residues. Surprisingly, for all samples of this study, it has been noticed within the same product, the concentration of ß-Lactam was high level in cheese and cream compared to milk raw, however, in yogurt were decreased sharply 45% compared to cream, cheese, and milk respectively.

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