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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 Model: Aeromonas hydrophila (Broth Culture, Anaerobic)

Input Conditions

Range: 5.0 to 30.0 °C
Range: 5.3 to 7.3
Range: 0.5 to 3.5 (% [g/dL])
Range: 0 to 150 ppm
Range: 3.0 to 5.9 log(CFU/ml)
Line chart of data points for modeled growth. Also available in a table format below.
Modeled Growth Parameters
  • Lag Phase Duration: 5.82 (hours)
  • Generation Time: 0.35 (hours)
  • Growth Rate: 0.865 (log(cfu/ml)/h)
  • Max Population Density: 10.19 (log(cfu/ml))
Modeled Growth
Hours log(CFU/ml)
Lag No Lag
0.00 3.00 3.47
0.20 3.00 3.56
0.40 3.00 3.66
0.60 3.00 3.77
0.80 3.00 3.89
1.00 3.00 4.01
1.20 3.00 4.15
1.40 3.00 4.29
1.60 3.00 4.44
1.80 3.00 4.59
2.00 3.00 4.75
2.20 3.00 4.91
2.40 3.00 5.08
2.60 3.00 5.25
2.80 3.00 5.42
3.00 3.01 5.60
3.20 3.01 5.77
3.40 3.02 5.94
3.60 3.03 6.11
3.80 3.04 6.28
4.00 3.05 6.45
4.20 3.07 6.61
4.40 3.10 6.77
4.60 3.13 6.93
4.80 3.16 7.09
5.00 3.21 7.23
5.20 3.26 7.38
5.40 3.32 7.52
5.60 3.39 7.65
5.80 3.47 7.78
6.00 3.56 7.91
6.20 3.65 8.03
6.40 3.76 8.14
6.60 3.88 8.25
6.80 4.00 8.36
7.00 4.14 8.46
7.20 4.28 8.56
7.40 4.42 8.65
7.60 4.58 8.73
7.80 4.74 8.82
8.00 4.90 8.90
8.20 5.07 8.97
8.40 5.24 9.04
8.60 5.41 9.11
8.80 5.58 9.17
9.00 5.75 9.23
9.20 5.93 9.29
9.40 6.10 9.34
9.60 6.27 9.39
9.80 6.44 9.44
10.00 6.60 9.49
10.20 6.76 9.53
10.40 6.92 9.57
10.60 7.07 9.61
10.80 7.22 9.64
11.00 7.37 9.67
11.20 7.51 9.71
11.40 7.64 9.74
11.60 7.77 9.76
11.80 7.90 9.79
12.00 8.02 9.81
12.20 8.13 9.84
12.40 8.24 9.86
12.60 8.35 9.88
12.80 8.45 9.90
13.00 8.55 9.92
13.20 8.64 9.93
13.40 8.73 9.95
13.60 8.81 9.97
13.80 8.89 9.98
14.00 8.96 9.99
14.20 9.04 10.00
14.40 9.10 10.02
14.60 9.17 10.03
14.80 9.23 10.04
15.00 9.28 10.05
15.20 9.34 10.06
15.40 9.39 10.06
15.60 9.44 10.07
15.80 9.48 10.08
16.00 9.52 10.09
16.20 9.56 10.09
16.40 9.60 10.10
16.60 9.64 10.10
16.80 9.67 10.11
17.00 9.70 10.12
17.20 9.73 10.12
17.40 9.76 10.12
17.60 9.79 10.13
17.80 9.81 10.13
18.00 9.84 10.14
18.20 9.86 10.14
18.40 9.88 10.14
18.60 9.90 10.15
18.80 9.92 10.15
19.00 9.93 10.15
19.20 9.95 10.15
19.40 9.96 10.16
19.60 9.98 10.16
19.80 9.99 10.16
20.00 10.00 10.16
20.20 10.02 10.16
20.40 10.03 10.17
20.60 10.04 10.17
20.80 10.05 10.17
21.00 10.06 10.17
21.20 10.06 10.17
21.40 10.07 10.17
21.60 10.08 10.17
21.80 10.09 10.17
22.00 10.09 10.18
Source:

S.A. Palumbo, A.C. Williams, R.L. Buchanan and J.G. Phillips, Model for the Anaerobic Growth of Aeromonas hydrophila K144, J. Food Protection (1992) 55:260-265 - http://wyndmoor.errc.ars.usda.gov/pubs/viewpub.aspx?iden=5717

S.A. Palumbo, A.C. Williams, R.L. Buchanan, J.E. Call and J.G. Phillips, Expanded Model for the Aerobic Growth of Aeromonas hydrophila:  Journal of Food Safety (1996) 16:1-13 - http://wyndmoor.errc.ars.usda.gov/pubs/viewpub.aspx?iden=6295

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