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The models are based on extensive experimental data of microbial behavior in liquid microbiological media and food.

There can be no guarantee that predicted values will match those that would occur in any specific food system. Before the models could be used in such a manner, the user would have to validate the models for each specific food of interest.

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Growth of Salmonella Typhimurium in Ground Chicken with Competitive Microflora

Input Conditions*

Range: 10 to 40 °C

*Initial Salmonella Density is set at 0.6 log CFU/g

Line chart of data points for modeled growth. Also available in a table format below the chart.
Modeled Growth Parameters
  • Max Population Density: 3.70 (log cfu/g)
  • Generation Time: 6.36 (hours)
  • Growth Rate: 0.0473 (log cfu/h)
  • 95% Prediction Interval: 2.10
  • Max Sampling Time: 154.25 (hours)
Modeled Growth
Hours log(CFU/g)
Max Mean Min
0.00 1.65 0.60 0.00
1.00 1.67 0.62 0.00
2.00 1.70 0.65 0.00
3.00 1.73 0.67 0.00
4.00 1.75 0.70 0.00
5.00 1.78 0.73 0.00
6.00 1.81 0.76 0.00
7.00 1.84 0.79 0.00
8.00 1.87 0.82 0.00
9.00 1.90 0.85 0.00
10.00 1.93 0.88 0.00
11.00 1.96 0.91 0.00
12.00 1.99 0.94 0.00
13.00 2.03 0.98 0.00
14.00 2.06 1.01 0.00
15.00 2.10 1.05 0.00
16.00 2.13 1.08 0.03
17.00 2.17 1.12 0.07
18.00 2.21 1.15 0.10
19.00 2.24 1.19 0.14
20.00 2.28 1.23 0.18
21.00 2.32 1.27 0.22
22.00 2.36 1.31 0.26
23.00 2.40 1.35 0.30
24.00 2.44 1.39 0.34
25.00 2.48 1.43 0.38
26.00 2.52 1.47 0.42
27.00 2.57 1.52 0.47
28.00 2.61 1.56 0.51
29.00 2.65 1.60 0.55
30.00 2.70 1.65 0.59
31.00 2.74 1.69 0.64
32.00 2.78 1.73 0.68
33.00 2.83 1.78 0.73
34.00 2.87 1.82 0.77
35.00 2.91 1.86 0.81
36.00 2.96 1.91 0.86
37.00 3.00 1.95 0.90
38.00 3.04 1.99 0.94
39.00 3.09 2.04 0.99
40.00 3.13 2.08 1.03
41.00 3.17 2.12 1.07
42.00 3.22 2.17 1.12
43.00 3.26 2.21 1.16
44.00 3.30 2.25 1.20
45.00 3.34 2.29 1.24
46.00 3.38 2.33 1.28
47.00 3.42 2.37 1.32
48.00 3.46 2.41 1.36
49.00 3.50 2.45 1.40
50.00 3.54 2.49 1.44
51.00 3.58 2.53 1.48
52.00 3.62 2.57 1.52
53.00 3.66 2.60 1.55
54.00 3.69 2.64 1.59
55.00 3.73 2.68 1.63
56.00 3.76 2.71 1.66
57.00 3.80 2.74 1.69
58.00 3.83 2.78 1.73
59.00 3.86 2.81 1.76
60.00 3.89 2.84 1.79
61.00 3.92 2.87 1.82
62.00 3.95 2.90 1.85
63.00 3.98 2.93 1.88
64.00 4.01 2.96 1.91
65.00 4.04 2.99 1.94
66.00 4.07 3.01 1.96
67.00 4.09 3.04 1.99
68.00 4.12 3.07 2.02
69.00 4.14 3.09 2.04
70.00 4.16 3.11 2.06
71.00 4.19 3.14 2.09
72.00 4.21 3.16 2.11
73.00 4.23 3.18 2.13
74.00 4.25 3.20 2.15
75.00 4.27 3.22 2.17
76.00 4.29 3.24 2.19
77.00 4.31 3.26 2.21
78.00 4.33 3.28 2.23
79.00 4.35 3.30 2.24
80.00 4.36 3.31 2.26
81.00 4.38 3.33 2.28
82.00 4.39 3.34 2.29
83.00 4.41 3.36 2.31
84.00 4.42 3.37 2.32
85.00 4.44 3.39 2.34
86.00 4.45 3.40 2.35
87.00 4.46 3.41 2.36
88.00 4.48 3.43 2.37
89.00 4.49 3.44 2.39
90.00 4.50 3.45 2.40
91.00 4.51 3.46 2.41
92.00 4.52 3.47 2.42
93.00 4.53 3.48 2.43
94.00 4.54 3.49 2.44
95.00 4.55 3.50 2.45
96.00 4.56 3.51 2.46
97.00 4.57 3.52 2.47
98.00 4.57 3.52 2.47
99.00 4.58 3.53 2.48
100.00 4.59 3.54 2.49
101.00 4.60 3.55 2.50
102.00 4.60 3.55 2.50
103.00 4.61 3.56 2.51
104.00 4.62 3.57 2.52
105.00 4.62 3.57 2.52
106.00 4.63 3.58 2.53
107.00 4.63 3.58 2.53
108.00 4.64 3.59 2.54
109.00 4.64 3.59 2.54
110.00 4.65 3.60 2.55
111.00 4.65 3.60 2.55
112.00 4.66 3.61 2.56
113.00 4.66 3.61 2.56
114.00 4.67 3.62 2.57
115.00 4.67 3.62 2.57
116.00 4.67 3.62 2.57
117.00 4.68 3.63 2.58
118.00 4.68 3.63 2.58
119.00 4.68 3.63 2.58
120.00 4.69 3.64 2.59
121.00 4.69 3.64 2.59
122.00 4.69 3.64 2.59
123.00 4.69 3.64 2.59
124.00 4.70 3.65 2.60
125.00 4.70 3.65 2.60
126.00 4.70 3.65 2.60
127.00 4.70 3.65 2.60
128.00 4.71 3.66 2.61
129.00 4.71 3.66 2.61
130.00 4.71 3.66 2.61
131.00 4.71 3.66 2.61
132.00 4.71 3.66 2.61
133.00 4.72 3.67 2.61
134.00 4.72 3.67 2.62
135.00 4.72 3.67 2.62
136.00 4.72 3.67 2.62
137.00 4.72 3.67 2.62
138.00 4.72 3.67 2.62
139.00 4.72 3.67 2.62
140.00 4.73 3.68 2.62
141.00 4.73 3.68 2.63
142.00 4.73 3.68 2.63
143.00 4.73 3.68 2.63
144.00 4.73 3.68 2.63
145.00 4.73 3.68 2.63
146.00 4.73 3.68 2.63
147.00 4.73 3.68 2.63
148.00 4.73 3.68 2.63
149.00 4.73 3.68 2.63
150.00 4.73 3.68 2.63
151.00 4.74 3.69 2.63
152.00 4.74 3.69 2.64
153.00 4.74 3.69 2.64
154.00 4.74 3.69 2.64
Source:

Oscar T.P. (2006) Validation of a Tertiary Model for Predicting Variation of Salmonella Typhimurium DT104 (ATCC 700408) Growth from a Low Initial Density on Ground Chicken Breast Meat with a Competitive Microflora. Journal of Food Protection 69(9):2048-2057