PMID(sorted ascending)
salmonella prevalence in crops of ontario and quebec broiler chickens at slaughter.swabs of crop contents of 635 broiler chickens were obtained from 9 ontario and 12 quebec processing plants and cultured for salmonella to determine prevalence in broiler crops. serotypes of positive cultures were determined to evaluate the serotype profile. the overall prevalence of contamination was low (4.3%). prevalence was higher in broilers sampled in quebec (5.8%) than in those sampled in ontario (2.2%). in quebec, there were differences in prevalence among the groups of broilers sampled ...19989776057
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 ...201020031042
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