Time (h) relative to pasteurization Standard Plate Count (cfu/ml) Incubation Temperature (°C) -1§ 56,342,000 Farm NR 0£ 8489 Farm 37 1 2370 Indoor¥ 37 2 17,747 Indoor 37 3 17,140 Indoor 36 4 186,800 Indoor 36 5 1,054,900† Indoor 36 6 1,739,333 Indoor 36 7 6,498,309‡ Indoor 37 8 43,400,600≠ Indoor 37 10 113,377,000 Indoor 38 12 141,300,000¶ Indoor 38 24 200,005,443,333± Indoor 37 1 10,543 Outdoor 27 2 11,701 Outdoor 29 3 34,200 Outdoor 31 4 12,712 Outdoor 34 5 20,667 Outdoor 32 6 104,733 Outdoor 30 7 114,467 Outdoor 30 8 658,509 Outdoor 31 10 760,733 Outdoor 30 12 727,267 Outdoor 28 24 66,075,516,061€ Outdoor 23 § -1 indicates immediately pre-pasteurization; raw milk on the farm £0 indicates immediately post-pasteurization NR=Not recorded ¥ Indoor incubation was at 37°C during Summer † Median=2500 cfu/ml ‡ Median=220,000 cfu/ml ≠ Median=2,200,000 cfu/ml ¶ Median=3,400,000 cfu/ml ± Median =14,500,000 cfu/ml € Median =44,000,000 cfu/ml

Table 6: Standard plate counts for bacteria in pasteurized milk samples over time post-pasteurization by incubation method and hourly temperature for Summer season. Each value is the mean for 3 samples, one from each study farm.