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UNL Models For Microbial Safety

Meat Industry

This website is designed for:
Evaluation of microbiological food safety of meat, poultry and egg products

Underlying models used in the evaluations are based on research conducted on the Departments of Food Science and Technology, Biological Systems Engineering, Engineering Mechanics and Animal Science at University of Nebraska-Lincoln.

Appropriate use of information generated by these predictive models is responsibility of the user.
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Microbial Growth Models

Microbial Growth Prediction

http://foodsafety.unl.edu
/microbial

Use predictive microbiology models to estimate potential growth of foodborne pathogens such as Salmonella spp., Listeria monocytogenes, E. coli, Clostridium perfringens and other bacteria.

Cooling Simulation

Cooling Simulation

http://foodsafety.unl.edu
/cooling

Estimate temperature profiles (temperature vs time) of meat and poultry products during industrial air cooling. Cooling profiles can posteriorly be used to estimate potential growth of foodborne pathogens. You can also compare your simulations with the USDA-FSIS compliance guidelines for cooling of ready-to-eat meat and poultry products.

Process Lethality

Process Lethality Determination

http://foodsafety.unl.edu
/lethality

Calculate estimates of lethality curves (F-values vs time) and total log reductions achieved with your thermal process. If used properly, these estimates can help you determine if your process meets regulaty requirements.