Fig. 1From: Assessment of antibiotic residues in commercial and farm milk collected in the region of Guelma (Algeria)Estimation of the antibiotic concentration in samples stored at two temperatures (4° and 21 °C) and during two periods (2 and 7 days). *The results present the estimated concentration of antibiotics measured in samples stored at 4 °C (a) and at 21 °C (b). The results are average of three measurementsBack to article page