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Browsing by Subject "Feedlots"

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Browsing by Subject "Feedlots"

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  • Klima, Cassidy L.; University of Lethbridge. Faculty of Arts and Science (Lethbridge, Alta. : University of Lethbridge, Dept. of Biological Sciences, c2009Arts and ScienceDepartment of Biological Sciences, 2009)
    Mannheimia haemolytica is an opportunistic pathogen in cattle and the main bacterial agent in bovine respiratory disease. Despite its economic importance, few studies have characterized the genetic diversity of M. haemolytica, ...
  • Lowe, Ross M.S.; University of Lethbridge. Faculty of Arts and Science (Lethbridge, Alta. : University of Lethbridge, Dept. of Biological Sciences, c2009Arts and ScienceDepartment of Biological Sciences, 2009)
    Escherichia coli O157:H7 is an important human pathogen that resides primarily in cattle and feedlot environments. E. coli O157:H7 can be divided into phylogenetic groups termed lineages; lineage I strains are responsible ...
  • Stevenson, Sam M. L.; University of Lethbridge. Faculty of Arts and Science (Lethbridge : University of Lethbridge, Facutly of Arts and Science, 2002Arts and ScienceDepartment of Biological Sciences, 2002)
    Transfer and shedding of a rifampicin-resistant strain of Escherichia coli (RREC) among cattle was studied in a research feedlot comprised of 30 pens of 11 or 12 yearling steers. On 3 separate occasions, 9,6 and 6 of the ...