This value is lower than the results of C. perfringens found by other researchers. On the analyzed turkey meats in this study, existence of 340 Aydın Vural et al.: A Study about Microbiological Quality and Species Identification of Frozen Turkey Meat Yersinia enterocolitica was found at a level of 61.81% (average 3.3x104 cfu/g). Nortje et al.[10] reported the average number of Y. enterocolitica as 2.5x102 cfu/g and the rate of contamination as 15.7% on broilers. Researchers found Y. enterocolitica on 10 of 21 turkey meat samples and 40 of 89 chicken meat samples. These results are lower than those obtained in our study.