Publications

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estimating the number of human cases of ceftiofur-resistant salmonella enterica serovar heidelberg in québec and ontario, canada.a stochastic model was used to estimate the number of human cases of ceftiofur-resistant salmonella enterica serovar heidelberg in québec and ontario attributable to chicken consumption and excess cases attributable to human prior antimicrobial consumption. the annual mean incidence of s. heidelberg (québec/ontario) decreased from 70/62 cases per 100 000 in 2004 to 29/30 cases per 100 000 in 2007 (québec)/2008 (ontario), increasing to 59/45 cases per 100 000 in 2011. the annual mean incidence of ...201424982036
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
a temporal study of salmonella serovars from fluff samples from poultry breeder hatcheries in ontario between 1998 and 2008.the objectives of this study were to determine the prevalence of salmonella, trends, major serovars, and their clusters from fluff samples, in poultry hatcheries in ontario between 1998 and 2008. multi-level logistic regression modelling with random effects for hatchery and sampling visit (day on which samples were collected from a hatchery) was used to identify factors [poultry breeder type, year (trend), and season] associated with the prevalence of salmonella and a cluster detection test was ...201323814352
a temporal study of salmonella serovars from environmental samples from poultry breeder flocks in ontario between 1998 and 2008.a temporal study was carried out to determine salmonella prevalence, trends, major serovars, and their clusters from environmental samples, in poultry breeder flocks in ontario between january 1998 and december 2008. surveillance data were obtained from the ontario hatchery and supply flock policy. logistic regression with a random effect for flock was used to identify factors [poultry type, year (trend) and season] associated with the prevalence of salmonella. a cluster detection test was used ...201323814351
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