The purpose of this work was to construct the response surface model of growth, survival and inactivation for two food pathogens (Salmonella enteritidis and Listeria monocytogenes) in model meat products (met-ball) and comparison results of own microbiological evaluations with predicted values, obtained with Pathogen Modeling Program v. 5.1. Gauss-Newton method was used to construct the responce surface model of growth, survival and inactivation. It was concluded, that constructed models of growth, survival and inactivation of pathogen bacteria should be lead with model food product, not with syntethic liquid media. Suitable model products should be developed for each group of food commoditis.