Articles by author - Campbell JR

Article O
The effect of metaphylactic antimicrobial use on the development of antimicrobial resistance in fecal E. coli isolates from feedlot cattle
Authors: Janzen ED, Chirino-Trejo M, Waldner CW, Checkley SL, Campbell JR
Publication: International Symposia on Veterinary Epidemiology and Economics proceedings, Volume ISVEE 10: Proceedings of the 10th Symposium, Vina del Mar, Chile, Issue Food safety: E. coli 0 157 session, pp 514, Nov 2003
Publisher: International Symposia on Veterinary Epidemiology and Economics
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Animal type: Cattle
Subject terms: Uncategorised
Article class: Conference Presentation
Article O
An epidemiological study of maedivisna in Ontario sheep flocks
Authors: Waltner-Toews D, Buckrell B, Campbell JR, Menzies P, Thorsen J, Walton JW
Publication: International Symposia on Veterinary Epidemiology and Economics proceedings, Volume ISVEE 6: Proceedings of the 6th Symposium, Ottawa, Canada, Issue Intensive agriculture field studies - beef cattle & sheep session, pp 373-375, Aug 1991
Publisher: International Symposia on Veterinary Epidemiology and Economics
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Animal type: Sheep
Subject terms: Uncategorised
Article class: Conference Presentation
Article O
Shepherds - A study to determine the relationship between management, disease and productivity in Ontario sheep flocks
Authors: Menzies PI, Walton J, Waltner-Toews D, Buckrell B, Physick-Sheard P, Campbell JR, Castellan D
Publication: International Symposia on Veterinary Epidemiology and Economics proceedings, Volume ISVEE 6: Proceedings of the 6th Symposium, Ottawa, Canada, Issue Public health session, pp 628, Aug 1991
Publisher: International Symposia on Veterinary Epidemiology and Economics
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Animal type: Sheep
Subject terms: Uncategorised
Article class: Conference Presentation