The MBS microbial rapid detection system for rapid detection of major pathogenic bacteria in feed: comparison with plate counting method

Table 7 Comparison of the results of detecting pathogenic bacteria in feed mixtures

Feed mixture	Strains^a*	Method	Positive rate (%)	Mean value (μg/kg)	Median value (μg/kg)	Maximum value (μg/kg)
Laying hen complete feed	COLI	PCM	100	2.54 ± 0.74^a	2.33	4.12
	COLI	MBS	100	3.06 ± 0.82^b	3.01	4.49
	TVC	PCM	100	3.09 ± 0.92^a	3.09	4.86
	TVC	MBS	100	3.08 ± 0.82^a	3.35	4.36
broilers complete feed	COLI	PCM	100	2.43 ± 0.77^a	2.49	3.72
	COLI	MBS	100	2.64 ± 0.78^a	2.73	3.89
	TVC	PCM	100	3.19 ± 0.59^a	2.90	3.99
	TVC	MBS	100	3.27 ± 0.60^a	3.60	3.94
Pig complete feed	COLI	PCM	100	2.99 ± 0.70^a	2.89	3.91
	COLI	MBS	100	2.98 ± 0.67^a	2.93	3.86
	TVC	PCM	100	3.54 ± 0.79^a	3.69	4.88
	TVC	MBS	100	3.65 ± 0.87^a	3.73	4.87
Meat duck complete feed	COLI	PCM	100	2.25 ± 0.44^a	2.19	3.34
	COLI	MBS	100	2.63 ± 0.54^b	2.57	3.68
	TVC	PCM	100	3.47 ± 0.78^a	3.30	4.85
	TVC	MBS	100	3.57 ± 0.66^a	3.35	4.76

^a/bMeans with different superscripts are significantly different within a column (P < 0.05). Data are expressed as the mean ± SD (n = 5)
^a*E. coli Escherichia coli, Sal, Salmonella, S. aureus Staphylococcus aureus, Listeria Listeria monocytogenes, COLI Coliforms, TVC Total viable count

ISSN: 1471-2180