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Swine hepatitis E virus is a newly identified potentially zoonotic virus from pigs of particular concern for possible direct transmission to a human xenotransplant recipient by organ transplantation. In the present study, prevalence of serum antibodies to hepatitis E virus was examined in Canadian swine herds. A total of 998 serum samples collected from(More)
BACKGROUND Clostridium difficile and methicillin-resistant Staphylococcus aureus are critical human pathogens and of increasing concern in food animals. Because of the apparent impact of age on prevalence of these organisms, studies of slaughter age pigs are important when considering the potential for contamination of food. This study evaluated C.(More)
The aim of this study was to determine serological prevalence for Salmonella in 90 Alberta finishing swine farms over a 5-month period; to evaluate the correlation between the detection of Salmonella by bacteriological culture and serology; and to identify risk factors for Salmonella seroprevalence. Participating farms were visited 3 times. A total of 30(More)
Campylobacter is an important enteric pathogen of humans and can cause diarrhea, fever, and abdominal pain. Campylobacter infections have frequently been associated with the handling and consumption of raw and undercooked poultry. Antimicrobial resistance among Campylobacter strains is of concern in the treatment of campylobacteriosis in vulnerable(More)
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(More)
AIMS This study investigated the prevalence of Methicillin-resistant Staphylococcus aureus (MRSA), their spa-types, and antimicrobial resistance profiles at various steps during commercial pork production from three plants designated as A, B and C. METHODS AND RESULTS Over a period of 1 year 2640 samples from three commercial pork plants were obtained on(More)
Antibiotic use was described using a convenience sample of 90 Alberta swine farms representing approximately 25% of the Alberta market swine production. Data on the use of antibiotics were collected through an on-farm interview questionnaire. The vast majority of antibiotics were used in feed. The chlortetracycline/sulfamethazine/penicillin combination and(More)
In 2006, the Canadian Integrated Program for Antimicrobial Resistance Surveillance (CIPARS) Farm Program was implemented in sentinel grower-finisher swine herds in Québec, Ontario, Manitoba, Saskatchewan and Alberta. Herds were visited 1-3 times annually. Faecal samples were collected from pens of close-to-market (CTM) weight (>80 kg) pigs and antimicrobial(More)
Multilevel random intercept logistic and Poisson regression were used to model associations between various antimicrobial use practices and resistance to individual and multiple antimicrobials among generic fecal Escherichia coli isolated from Alberta finishing swine. In-feed antimicrobial use in finishers was significantly associated with increased risk of(More)
A population-based study investigated the burden of illness, including the duration of illness associated with laboratory-confirmed cases of campylobacteriosis in two health unit areas. Questionnaire data were collected for 250 cases. The median duration of illness was 8 days and 66% of cases reported symptoms of moderate severity or greater. A Cox(More)