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- 17Roy Berg Kinsella Research Ranch/Journal Articles (Kinsella Ranch)
- 17Graduate and Postdoctoral Studies (GPS), Faculty of
- 17Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 7Agricultural, Food and Nutritional Science, Department of
- 7Agricultural, Food and Nutritional Science, Department of/Journal Articles (Agricultural, Food and Nutritional Science)
- 9Department of Agricultural, Food, and Nutritional Science
- 2Department of Agricultural, Food and Nutritional Science
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- 2Fitzsimmons, Carolyn (Agricultural, Food & Nutritional Science)
- 2Moore, Stephen (Agricultural, Food and Nutritional Science)
- 1Basarab, John (Alberta Agriculture and Rural Development)
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- 1Bruce, Heather (Agriculture, Food and Nutritional Science)
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Understanding host-microbiome interactions and influence on STEC colonization in cattle using integrated omics
DownloadFall 2023
Shiga toxin producing Escherichia coli (STEC) is the major foodborne pathogen in humans with Shiga toxin 1 (stx1) and 2 (stx2) being the main virulence factors. Cattle are the major reservoir of STEC with those shedding >104 CFU/g STEC being defined as super shedders (SS). The rectal anal...
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Spring 2021
Approximately 70% of the cost of beef production is impacted by dietary intake. Maximizing production efficiency of beef cattle requires not only genetic selection to maximize feed efficiency (i.e. residual feed intake - RFI), but also adequate nutrition throughout all stages of growth and...
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Characterization of Heat Resistant Escherichia coli Isolates Associated with Human Infection
DownloadSpring 2021
Shiga toxin-producing Escherichia coli (STEC) is a bacterial pathogen associated with foodborne diarrheal disease. Infection with STEC presents as a mild, watery diarrhea to hemorrhagic colitis and can progress to the life-threatening complication, hemolytic uremic syndrome. Cattle are recognized...
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Effect of breed type and residual feed intake on meat and collagen quality and expression of genes involved in collagen synthesis and degradation in bovine m. gluteus medius
DownloadSpring 2020
Residual feed intake (RFI) is an index of feed efficiency that has been demonstrated to be moderately heritable, with cattle having low RFI values being efficient as they consume less feed for the same weight gain. This may be of financial benefit to producers, but to be fully beneficial to...
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2019-11-01
Parkins, John, Goddard, Ellen, Plastow, Graham, Carlyle, Cameron
NFRF-Exploration grant awarded 2020: Sustainability of the beef industry and sustainability of temperate grasslands are equally challenging currently. Beef cattle don’t typically graze on tidy fields of managed pasture, but instead graze complex landscapes with highly diverse vegetation and plant...
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Comparative assessment of qPCR enumeration methods that discriminate between live and dead Escherichia coli O157:H7 on beef
Download2018-01-01
Laidlaw, Anna M., Gänzle, Michael G., Yang, Xianqin
Quantitative Polymerase Chain Reaction (qPCR) is a molecular method commonly used to detect and quantify bacterial DNA on food but is limited by its inability to distinguish between live and dead cell DNA. To overcome this obstacle, propidium monoazide (PMA) alone or with deoxycholate (DC) was...
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Performance and Methane Emissions of RFI Selected Cattle in Drylot and Under Open Range Conditions
DownloadSpring 2018
Residual feed intake (RFI) is a moderately heritable trait that can be used to measure feed efficiency in beef cattle, and thereby reduce feed related costs. RFI has been primarily evaluated under drylot conditions where diet, feed intake and activity levels are controlled and foraging behaviour...
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Effect of chitosan, and bacteriocin – Producing Carnobacterium maltaromaticum on survival of Escherichia coli and Salmonella Typhimurium on beef
Download2018-01-01
Hu, Zi Yi, Balay, Danielle, Hu, Ying, McMullen, Lynn M., Gänzle, Michael G.
The aim of this study was to investigate the synergistic effect of chitosan and bacteriocins against Escherichia coli and Salmonella in media and in lean beef. The inhibitory effects of chitosan and bacteriocins against E. coli AW1.7 and S. enterica Typhimurium in media were determined by a...
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Effect of hydrostatic pressure and antimicrobial on survival of Listeria monocytogenes and enterohaemorrhagic E.coli in beef
Download2016-01-01
The effects of marinades on Listeria monocytogenes and enterohaemorrhagic Escherichia coli were investigated in pressure treated beef steaks. Meat was treated with 600 MPa or 450 MPa. Marinades did not enhance pressure inactivation of E. coli in beef steaks and marinades prevented...
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Influence of cyclopropane fatty acids on heat, high pressure, acid, and oxidative stress resistance in Escherichia coli
Download2016-01-01
Chen, Yuan Yao, Gänzle, Michael G.
Heat and high pressure resistant strains of Escherichia coli are a challenge to food safety. This study investigated effects of cyclopropane fatty acids (CFAs) on stress tolerance in the heat- and pressure-resistant strain E. coli AW1.7 and the sensitive strain E. coli MG1655. The role of CFAs...