Assessment of antibiotic residues in commercial and farm milk collected in the region of Guelma (Algeria)

Table 5 Comparison of the results for different milk types obtained by Delvotest and LC-MS/MS

	Delvotest negative	Delvotest positive	%Delvotest positive	LC-MS/MS conform	LC-MS/MS non-conform	% LC-MS/MS positive
Bulk tank milk	26	3	10.3^a	16	19	54^a
Individual untreated cow’s milk	57	15	20.8^a	41	58	59^a
Individual treated cow’s milk	10	16	61.5^b	7	15	68^a
Market raw cow’s milk	10	2	16.7^ab	0	18	100^a
Market fermented cow’s milk	12	3	20^ab	3	17	85^a

Groups with the same letter behind the percentage of % Delvotest positive are not significantly different from each other at level of 0.05
Groups with the same letter behind the percentage of % LC-MS/MS positive are not significantly different from each other at level of 0.05

ISSN: 2196-2804