| ceftiofur resistance in salmonella enterica serovar heidelberg from chicken meat and humans, canada. | the canadian integrated program for antimicrobial resistance surveillance describes a strong correlation (r = 0.9, p<0.0001) between ceftiofur-resistant salmonella enterica serovar heidelberg isolated from retail chicken and incidence of ceftiofur-resistant salmonella serovar heidelberg infections in humans across canada. in quebec, changes of ceftiofur resistance in chicken salmonella heidelberg and escherichia coli isolates appear related to changing levels of ceftiofur use in hatcheries durin ... | 2010 | 20031042 |
| distribution of sulfonamide resistance genes in escherichia coli and salmonella isolates from swine and chickens at abattoirs in ontario and québec, canada. | sulfonamide-resistant escherichia coli and salmonella isolates from pigs and chickens in ontario and québec were screened for sul1, sul2, and sul3 by pcr. each sul gene was distributed differently across populations, with a significant difference between distribution in commensal e. coli and salmonella isolates and sul3 restricted mainly to porcine e. coli isolates. | 2009 | 19633109 |
| usefulness of high-quality core genome single-nucleotide variant analysis for subtyping the highly clonal and the most prevalent salmonella enterica serovar heidelberg clone in the context of outbreak investigations. | salmonella enterica serovar heidelberg is the second most frequently occurring serovar in quebec and the third-most prevalent in canada. given that conventional pulsed-field gel electrophoresis (pfge) subtyping for common salmonella serovars, such as s. heidelberg, yields identical subtypes for the majority of isolates recovered, public health laboratories are desperate for new subtyping tools to resolve highly clonal s. heidelberg strains involved in outbreak events. as pfge was unable to discr ... | 2016 | 26582830 |