Table 2.

Observed mean reduction in bacteria in raw milk after IR treatment.

Trial	Mean (Log CFU/mL)	TVC	COLIFORMS	ENTEROBAC- TERIACEA	LAB
1	Raw milk	4.87	2.31	2.66	3.84
	IR 60	4.70	2.65	3.32	3.81
	Δ	−0.17	0.34	0.66	−0.03
	IR 70	4.75	1.36	3.39	3.77
	Δ	−0.12	−0.95	0.73	−0.07
	IR 80	3.76	1.57	1.93	3.16
	Δ	−1.11	−0.74	−0.73	−0.68
	IR 85	3.30	1.30	1.00	2.84
	Δ	−1.57	−1.01	−1.66	−1.00
2	Raw milk	5.20	3.99	4.09	4.54
	IR 60	5.37	3.80	4.28	4.95
	Δ	0.17	−0.19	0.19	0.41
	IR 70	4.85	3.58	4.11	4.21
	Δ	−0.35	−0.41	0.02	−0.33
	IR 80	3.24	1.45	1.65	2.77
	Δ	−1.96	−2.54	−2.44	−1.77
	IR 85	3.06	<1.00	1.00	2.19
	Δ	−2.14	>−2.99	−3.09	−2.35
3	Raw milk	4.98	3.45	3.95	4.30
	IR 60	4.58	3.38	3.58	4.23
	Δ	−0.30	−0.07	−0.37	−0.07
	IR 70	4.92	3.00	3.58	4.30
	Δ	−0.06	−0.45	−0.37	0.00
	IR 80	4.14	2.98	3.08	3.94
	Δ	−0.84	−0.47	−0.87	−0.36
	IR 85	3.52	<1.00	1.30	3.45
	Δ	−1.46	>−2.45	−2.65	−0.85
4	Raw milk	5.00	4.54	3.40	4.57
	IR 80	4.30	1.48	1.50	4.21
	Δ	−0.70	−3.06	−1.90	−0.36
5	Raw milk	5.42	3.39	3.45	5.27
	IR 80	4.37	<1.00	<1.00	3.05
	Δ	−1.05	>−2.39	>−2.45	−2.22