| occurrence, serotype diversity, and antimicrobial resistance of salmonella in ground beef at retail stores in jalisco state, mexico. | the occurrence, serotype diversity, and antimicrobial resistance of salmonella bacteria in commercial ground beef at retail establishments were investigated. salmonella was isolated from 135 (56.7%) of 238 ground beef samples collected at the same number of butcher's shops located in three municipalities of jalisco state, mexico, during an 11-month period. the isolation frequency differed by municipality (p < 0.05) and was higher (p < 0.05) during the warm season (68.5%) than during the cold sea ... | 2013 | 24290673 |