Publications by authors named "Teri-Lyn Hasted"

Article Synopsis
  • Feeding practices, including supplementing with bacitracin and berry pomaces, significantly impacted gut microbiota and immune responses in poultry, particularly in vaccinated broilers against coccidiosis.
  • Vaccination improved performance metrics and reduced the prevalence of coccidiosis and necrotic enteritis, with significant changes observed in serum enzyme and fatty acid levels.
  • Metagenomics analysis indicated that dietary treatments influenced the composition of cecal bacterial communities, highlighting the potential of berry pomaces in enhancing poultry health alongside traditional antibiotics like bacitracin.
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The impact of antibiotic use for growth promotion in livestock and poultry production on the rise of antimicrobial resistance (AMR) in bacteria led to the ban of this practice in the European Union in 2006 and a restriction of antimicrobial use (AMU) in animal agriculture in Canada and the United States of America. There is a high risk of infectious diseases such as necrotic enteritis due to , and colibacillosis due to avian pathogenic in antimicrobial-free broiler chickens. Thus, efficient and cost-effective methods for reducing AMU, maintaining good poultry health and reducing public health risks (food safety) are urgently needed for poultry production.

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Heidelberg is among the top three serovars associated with human foodborne illness in Canada. Traditional culture and antimicrobial susceptibility testing techniques can be time-consuming to identify Heidelberg resistant to cephalosporins and fosfomycin. Rapid and accurate detection of such antibiotic-resistant Heidelberg isolates is essential to adopt appropriate control measures.

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