Ceca May Not Serve as an Adequate Predictive Sample for Salmonella enterica in Ground Turkey

Despite improvements in non-typhoidal Salmonella enterica prevalence in poultry under USDA-FSIS performance standards, human salmonellosis incidence has remained unchanged. Poultry, particularly ground turkey, has been linked to a significant portion of foodborne Salmonella outbreaks in the United States. Previous studies have identified ceca as a “gold standard” for Salmonella monitoring, but the predictive accuracy of this sample type in forecasting contamination in ground turkey remains unclear. The following two studies investigate the relationship between Salmonella prevalence in ceca and ground turkey by evaluating Salmonella test results between the two sample types. Results show differences in Salmonella detection and quantification, with higher contamination rates in ground turkey (28.0%) compared to ceca (2.9%). Additionally, the Salmonella serovars identified in ground turkey were more diverse than those found in ceca, and in some cases, ceca did not reflect the serovar composition of the final product. Statistical analysis further revealed that Salmonella prevalence in ceca was significantly lower than in ground turkey (p = 0.04). These findings suggest that ceca are not reliable predictors of Salmonella contamination in ground turkey, challenging their role in processing surveillance and highlighting the need for alternative sampling methods for effective risk assessment and control strategies in turkey processing.