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Volume 16, Number 1—January 2010

Research

Ceftiofur Resistance in Salmonella enterica Serovar Heidelberg from Chicken Meat and Humans, Canada

Lucie DutilComments to Author , Rebecca Irwin, Rita Finley, Lai King Ng, Brent Avery, Patrick Boerlin, Anne-Marie Bourgault, Linda Cole, Danielle Daignault, Andrea Desruisseau, Walter Demczuk, Linda Hoang, Greg B. Horsman, Johanne Ismail, Frances Jamieson, Anne Maki, Ana Pacagnella, and Dylan R. Pillai
Author affiliations: Public Health Agency of Canada, Saint-Hyacinthe, Québec, Canada (L. Dutil, D. Daignault); Public Health Agency of Canada, Guelph, Ontario, Canada (R. Irwin, R. Finley, B. Avery, L. Cole, A. Desruisseau); Public Health Agency of Canada, Winnipeg, Manitoba, Canada (L.K. Ng, W. Demczuk); Ontario Veterinary College, Guelph (P. Boerlin); Institut National de Santé Publique du Québec, Sainte-Anne-de-Bellevue, Québec, Canada (A.-M. Bourgault, J. Ismail); British Columbia Centre for Disease Control, Vancouver, British Columbia, Canada (L. Hoang, A. Pacagnella); Saskatchewan Disease Control Laboratory, Regina, Saskatchewan, Canada (G. Horsman); Ontario Agency for Health Protection and Promotion, Toronto, Ontario, Canada (F. Jamieson, A. Maki, D.R. Pillai)

Main Article

Table

Prevalence of ceftiofur resistance among human and retail chicken Salmonella serovar Heidelberg isolates and retail chicken Escherichia coli isolates from Canadian provinces surveyed during 2003–2008

Isolate/province Prevalence of ceftiofur resistance, % (no. resistant isolates/total no. isolates tested)
2003 2004 2005 2006 2007 2008
Human clinical Salmonella Heidelberg
Québec 31 (52/167) 36 (42/116) 35 (37/106) 8 (8/96) 6 (4/63) 12 (8/65)
Ontario 18 (31/172) 38 (70/185) 30 (42/140) 10 (12/122) 22 (21/94) 32 (7/22)
Saskatchewan 0 (0/15) 7 (1/14) 0 (0/11) 0 (0/7)
British Columbia




23 (3/13)
19 (3/16)
Chicken retail Salmonella Heidelberg
Québec 65 (13/20) 62 (18/29) 33 (4/12) 7 (1/14) 19 (6/32) 18 (7/38)
Ontario 16 (3/19) 58 (19/33) 27 (3/11) 21 (3/14) 21 (9/42) 14 (3/21)
Saskatchewan 0 (0/5) 13 (1/8) 0 (0/9) 8 (1/12)
British Columbia




50 (2/4)
67 (2/3)
Chicken retail E. coli
Québec 32 (36/111) 34 (54/158) 25 (35/142) 6 (8/135) 13 (17/128) 18 (24/131)
Ontario 18 (24/136) 21 (32/150) 17 (25/145) 22 (34/152) 22 (35/157) 24 (36/150)
Saskatchewan 4 (3/82) 6 (5/85) 13 (10/75) 20 (18/92)
British Columbia 29 (12/42) 49 (34/70)

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