Effectiveness of the sanitation regimes used by dairy actors to control microbial contamination of plastic jerry cans’ surfaces

Table 2 Comparison of mean reduction in microbial load between the aluminium milk handling cans (Control) and plastic milk handling jerry cans

Type of the equipment	N	Type of microorganism (mean log₁₀ cfu/cm²)	Initial microbial load	Final microbial load	Change in microbial load	% Microbial load reduction
Aluminium	12	TVC	5.86 ± 0.92	0.82 ± 0.34	5.06 ± 0.88	86.3
	12	TCC	4.53 ± 1.17	0.70 ± 0.25	3.83 ± 1.02	84.5
	12	LAB	3.77 ± 0.74	0.13 ± 0.08	3.60 ± 0.77	95.5
Plastic	48	TVC	5.99 ± 1.03	3.84 ± 0.92	2.50 ± 0.66	35.9
	48	TCC	5.07 ± 0.91	3.64 ± 0.80	1.43 ± 0.68	28.2
	48	LAB	4.81 ± 0.81	2.75 ± 1.07	2.03 ± 0.87	42.2

Key: TVC total viable count, TCC total coliform count and LAB lactic acid bacteria

ISSN: 2731-9245