Abstract
Objective: determine the presence of zoonotic pathogens in chicken meat sold in retail centers in five cities of the Mexican Republic.
 Design/methodology/approach: 153 samples of raw chicken meat were analyzed. All samples were analyzed using methods approved by the AOAC and the US regulatory agencies, isolation that what promised, slipped and subsequently PCR analysis was performed for Campylobacter spp., Salmonella spp., E. coli and Listeria spp.
 Results: Campylobacter spp. it was found in 31% of the samples and Salmonella spp. in 1.31% of the total samples analyzed. Campylobacter spp. it has a higher prevalence in Tlalnepantla Estado de Mexico (74%), Puebla (33.33%) and Guadalajara Jal. (25.58%). Salmonella spp. it has a higher prevalence in Tlalnepantla Estado de Mexico (3,7%) and Guadalajara Jal. (4,65%).
 sites.
 Limitations: This study describes the prevalence of Campylobacter and Salmonella in chicken meat for sale in Mexico, however, more studies are needed to determine exactly the origin of these bacteria. scale.
 Findings/conclusions: According to the results obtained in this work, it can be concluded that there is contamination of the chicken meat with the bacterium Campylobacter spp. in a higher proportion, unlike Salmonella spp. This may be due to possible errors in the handling in the different areas by which the bird is handled from the farm to the commercialization.
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