Parcourir Faculté de médecine vétérinaire – Travaux et publications par auteur·e "Tremblay, Donald"
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Characterization of a Canadian mink H3N2 influenza A virus isolate genetically related to triple reassortant swine influenza virus
Gagnon, Carl A.; Spearman, Grant; Hamel, Andre; Godson, Dale L.; Fortin, Audrey; Fontaine, Guy; Tremblay, Donald (2009-03)In 2007, an H3N2 influenza A virus was isolated from Canadian mink. This virus was found to be phylogenetically related to a triple reassortant influenza virus which emerged in Canadian swine in 2005, but it is antigenically distinct. The transmission ... -
Development and use of a multiplex real-time quantitative polymerase chain reaction assay for detection and differentiation of Porcine circovirus-2 genotypes 2a and 2b in an epidemiological survey
Gagnon, Carl A.; Del Castillo, Jérôme; Music, Nedzad; Fontaine, Guy; Harel, Josée; Tremblay, Donald (2008-09)By the end of 2004, the Canadian swine population had experienced a severe 2 increase in the incidence of Porcine circovirus-associated disease (PCVAD), a problem that was 3 associated with the emergence of a new Porcine circovirus-2 genotype (PCV-2b), ... -
Emergence of a New Swine H3N2 and Pandemic (H1N1) 2009 Influenza A Virus Reassortant in Two Canadian Animal Populations, Mink and Swine
Tremblay, Donald; Allard, Véronique; Doyon, Jean-François; Bellehumeur, Christian; Spearman, Grant; Harel, Josée; Gagnon, Carl A. (2011-12)A swine H3N2 (swH3N2) and pandemic (H1N1) 2009 (pH1N1) influenza A virus reassortant (swH3N2/ pH1N1) was detected in Canadian swine at the end of 2010. Simultaneously, a similar virus was also detected in Canadian mink based on partial viral genome ... -
Emergence of a new type of porcine circovirus (PCV) in swine: a type 1 and type 2 PCV recombinant
Gagnon, Carl A.; Music, Nedzad; Fontaine, Guy; Tremblay, Donald; Harel, Josée (2010-07)In late September 2008, tissue samples from piglets experiencing an acute outbreak of porcine reproductive and respiratory syndrome (PRRS) were submitted to the Veterinary diagnostic service of the University of Montreal. Several diagnostic assays were ... -
The emergence of porcine circovirus 2b genotype (PCV-2b) in swine in Canada
Gagnon, Carl A.; Tremblay, Donald; Tijssen, Peter; Venne, Marie-Hélène; Houde, Alain; Elahi, Seyyed Mehdy (2007-08-01)Since late 2004, the swine industry in the province of Quebec has experienced a significant increase in death rate related to postweaning multisystemic wasting syndrome (PMWS). To explain this phenomenon, 2 hypotheses were formulated: 1) the presence ... -
Epidemiological study of Coxiella burnetii in dairy cattle and small ruminants in Québec, Canada
Turcotte, Marie-Ève; Buczinski, Sébastien; Leboeuf, Anne; Harel, Josée; Bélanger, Denise; Tremblay, Donald; Gagnon, Carl A.; Arsenault, Julie (Elsevier, 2021-04-25)The bacterium Coxiella burnetii (C. burnetii) can infect a wide range of animals, most notably ruminants where it causes mainly asymptomatic infections and, when clinical, it is associated with reproductive disorders such as abortion. It is also the ... -
Genetic relatedness of recent Canadian equine influenza virus isolates with vaccine strains used in the field
Cross-Canada disease report = Rapport des maladies diagnostiquées au Canada
Gagnon, Carl A.; Elahi, Seyyed Mehdy; Tremblay, Donald; Lavoie, Jean-Pierre; Bryant, Neil A.; Elton, Debra M.; Carman, Susy; Elsener, Johanne (2007-10-01) -
Identification of a novel herpesvirus associated with cutaneous ulcers in a fisher (Martes pennanti)
Gagnon, Carl A.; Tremblay, Josée; Larochelle, Danielle; Music, Nedzad; Tremblay, Donald (2011-09)On December 8, 2008, a male fisher (Martes pennanti) housed in a quarantine enclosure at the St-Félicien Zoo was found dead with multiple skin ulcers on the muzzle and plantar pads. At necropsy, no major findings were found, and a specific cause of ... -
Prevalence of Coxiella burnetii seropositivity and shedding in farm, pet and feral cats and associated risk factors in farm cats in Quebec, Canada
Cyr, J.; Turcotte, Marie-Ève; Desrosiers, A.; Bélanger, Denise; Harel, Josée; Tremblay, Donald; Leboeuf, Anne; Gagnon, Carl A.; Côté, J.-C.; Arsenault, Julie (Cambridge University Press, 2021-02-02)Cats represent a potential source of Coxiella burnetii, the aetiological agent of Q fever in humans. The prevalence and risk factors of C. burnetii infection in farm, pet and feral cats were studied in Quebec, Canada, using a cross-sectional study. ... -
Prevalence of shedding and antibody to Coxiella burnetii in post-partum dairy cows and its association with reproductive tract diseases and performance : a pilot study
Turcotte, Marie-Ève; Denis-Robichaud, José; Dubuc, Jocelyn; Harel, Josée; Tremblay, Donald; Gagnon, Carl A.; Arsenault, Julie (Elsevier, 2020-12-10)The bacterium Coxiella burnetii has been associated with reproduction disorders in dairy cattle. A cross-sectional study was conducted in Québec, Canada, to estimate the prevalence of C. burnetii in dairy cows from C. burnetii RT-PCR-positive and/or ... -
Quebec : detection of bovine lymphotropic herpesvirus DNA in tissues of a bovine aborted fetus
Gagnon, Carl A.; Allam, Ossama; Drolet, Richard; Tremblay, Donald (2010-09-01)