Search Results - "McKenna, Shawn"

Communication skills training and assessment of food animal production medicine veterinarians: A component of a voluntary Johne's disease control program by MacDonald-Phillips, Karen A., McKenna, Shawn L.B., Shaw, Darcy H., Keefe, Greg P., VanLeeuwen, John, Artemiou, Elpida, Adams, Cindy L.

“…In food animal production medicine (FAPM), the success of control programs for infectious diseases that have serious animal health and economic consequences…”
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Genome-Wide Diversity and Phylogeography of Mycobacterium avium subsp. paratuberculosis in Canadian Dairy Cattle by Ahlstrom, Christina, Barkema, Herman W, Stevenson, Karen, Zadoks, Ruth N, Biek, Roman, Kao, Rowland, Trewby, Hannah, Haupstein, Deb, Kelton, David F, Fecteau, Gilles, Labrecque, Olivia, Keefe, Greg P, McKenna, Shawn L B, Tahlan, Kapil, De Buck, Jeroen

“…Mycobacterium avium subsp. paratuberculosis (MAP) is the causative bacterium of Johne's disease (JD) in ruminants. The control of JD in the dairy industry is…”
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Dairy producer satisfaction and knowledge transfer with the veterinary-administered risk assessment and management plan in a voluntary Johne's disease control program by MacDonald-Phillips, Karen A., Keefe, Greg P., VanLeeuwen, John, Shaw, Darcy H., McClure, J., McKenna, Shawn L.B.

“…The Atlantic Johne's Disease Initiative (AJDI) aims to control Mycobacterium avium ssp. paratuberculosis infection by using veterinary-administered risk…”
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Limitations of variable number of tandem repeat typing identified through whole genome sequencing of Mycobacterium avium subsp. paratuberculosis on a national and herd level by Ahlstrom, Christina, Barkema, Herman W, Stevenson, Karen, Zadoks, Ruth N, Biek, Roman, Kao, Rowland, Trewby, Hannah, Haupstein, Deb, Kelton, David F, Fecteau, Gilles, Labrecque, Olivia, Keefe, Greg P, McKenna, Shawn L B, De Buck, Jeroen

“…Mycobacterium avium subsp. paratuberculosis (MAP), the causative bacterium of Johne's disease in dairy cattle, is widespread in the Canadian dairy industry and…”
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The effect of a hiding space on the behaviour and heart rate variability of dairy calves during temporary separation from the dam by Spitzer, Hannah B, Meagher, Rebecca K, Lynne O'Sullivan, M, Montelpare, William, Gordon, Miriam B, McKenna, Shawn Lb, Proudfoot, Kathryn L

“…In natural settings, newborn calves hide for several days before joining the herd. It is unclear whether dairy calves housed indoors would show similar hiding…”
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Assessment of the relative sensitivity of milk ELISA for detection of Mycobacterium avium ssp. paratuberculosis infectious dairy cows by Laurin, Emilie L, Sanchez, Javier, Chaffer, Marcelo, McKenna, Shawn L B, Keefe, Greg P

“…Milk ELISA are commonly used for detection of Mycobacterium avium ssp. paratuberculosis (MAP) antibodies in dairy cows, due to low cost and quick processing…”
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Novel Cell Preservation Technique to Extend Bovine In Vitro White Blood Cell Viability by Laurin, Emilie L, McKenna, Shawn L B, Sanchez, Javier, Bach, Horacio, Rodriguez-Lecompte, Juan Carlos, Chaffer, Marcelo, Keefe, Greg P

“…Although cell-mediated immunity based diagnostics can be integral assays for early detection of various diseases of dairy cows, processing of blood samples for…”
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Sensitivity and specificity of repeated test results from a commercial milk enzyme-linked immunosorbent assay for detection of Mycobacterium avium subspecies paratuberculosis in dairy cattle by Lavers, Carrie J, Dohoo, Ian R, McKenna, Shawn L. B, Keefe, Greg P

“…Objective-To investigate the sensitivity and specificity of results of initial and repeated milk ELISAs (at 6- or 12-month intervals) to detect cows that were…”
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The association of detection method, season, and lactation stage on identification of fecal shedding in Mycobacterium avium ssp. paratuberculosis infectious dairy cows by Laurin, Emilie L, Chaffer, Marcelo, McClure, J Trenton, McKenna, Shawn L B, Keefe, Greg P

“…Mycobacterium avium ssp. paratuberculosis (MAP) is the causative organism of Johne's disease. Although fecal culture is considered the standard diagnostic…”
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Johne's disease in Canada part II: disease impacts, risk factors, and control programs for dairy producers by McKenna, Shawn L B, Keefe, Greg P, Tiwari, Ashwani, VanLeeuwen, John, Barkema, Herman W

“…Part I of this 2-part review examined the clinical stages, pathophysiology, diagnosis, and epidemiology of Johne's disease, providing information relevant to…”
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Johne's disease in Canada. Part I: Clinical symptoms, pathophysiology, diagnosis, and prevalence in dairy herds by Tiwari, A, VanLeeuwen, J.A, McKenna, S.L.B, Keefe, G.P, Barkema, H.W

“…Recent international developments in the area of infectious disease control and nontariff trade barriers, along with possible zoonotic concerns, have provoked…”
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Evaluation of environmental fecal culture for Mycobacterium avium subspecies paratuberculosis detection in dairy herds and association with apparent within-herd prevalence by Lavers, Carrie J, McKenna, Shawn L B, Dohoo, Ian R, Barkema, Herman W, Keefe, Greg P

“…This study evaluated test characteristics of environmental culture (EC) for the detection of Mycobacterium avium subspecies paratuberculosis (MAP) in 32 herds…”
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Horse Housing on Prince Edward Island, Canada: Attitudes and Experiences Related to Keeping Horses Outdoors and in Groups by Ross, Megan, Proudfoot, Kathryn, Merkies, Katrina, Elsohaby, Ibrahim, Mills, Molly, Macmillan, Kathleen, Mckenna, Shawn, Ritter, Caroline

“…Limited research has assessed the "human dimension" of horse care. The aims of this study were to (1) understand horse owner attitudes toward horse welfare…”
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Evaluation of antibody and antigen cross-reaction in Kenyan dairy cattle naturally infected with two pestiviruses: Bovine viral diarrhea virus and classical swine fever virus by Muasya, Daniel, Van Leeuwen, John, Gitau, George, McKenna, Shawn, Heider, Luke, Muraya, Joan

“…Background and Aim: Bovine viral diarrhea virus (BVDV) and classical swine fever virus (CSFV) are important pathogens of cattle and pigs, respectively, and…”
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A cross-sectional study of the welfare of calves raised in smallholder dairy farms in Meru, Kenya, 2017 by Kathambi, Emily K, Van Leeuwen, John A, Gitau, George K, McKenna, Shawn L

“…This study was aimed at describing calf comfort and determining the individual and pen level factors that affect comfort status (in particular, calf leg…”
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Presence of PPE proteins in Mycobacterium avium subsp. paratuberculosis isolates and their immunogenicity in cattle by Newton, Victoria, McKenna, Shawn L., De Buck, Jeroen

“…Johne's disease or paratuberculosis in cattle is caused by Mycobacterium avium subsp. paratuberculosis (MAP). Although the stages of infection have been well…”
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Comparison of bacterial culture, histopathology, and immunohistochemistry for the diagnosis of Johne's disease in culled dairy cows by Martinson, Shannon A, Hanna, Paul E, Ikede, Basil O, Lewis, Jeff P, Miller, Lisa M, Keefe, Greg P, McKenna, Shawn L.B

“…Correspondence: 1 Corresponding Author: Shannon Martinson, Department of Pathology and Microbiology, Atlantic Veterinary College, University of Prince Edward…”
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Using and interpreting diagnostic tests by McKenna, Shawn L B, Dohoo, Ian R

“…Diagnostic tests are invaluable to the practice of veterinary medicine. Using them correctly and interpreting the results appropriately depend on having a good…”
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Proposed Canadian Voluntary National Johne's Disease Prevention and Control Program by McKenna, S.L.B, Vanleeuwen, J.A, Barkema, H.W, Jansen, J.T, Hauer, G, Hendrick, S.H, Côté, G, Salsberg, E.B, Empringham, R.E

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Bovine pancreatolithiasis: case report and review of the literature by López, Alfonso, McKenna, Shawn

“…An 8-y-old lactating Holstein cow was presented to the herd veterinarian with a history of acute ataxia, and because of poor prognosis, the animal was…”
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