Ellen Portis

A ten-year (2000–2009) study of antimicrobial susceptibility of bacteria that cause bovine respiratory disease complex—<i>Mannheimia haemolytica, Pasteurella multocida</i>, and<i>Histophilus somni</i>—in the United States and Canada

Ellen Portis, Cynthia J. Lindeman, Lacie Johansen et al. · Journal of Veterinary Diagnostic Investigation · 2012 · 140 citations

Susceptibility to antimicrobial agents among bovine mastitis pathogens isolated from North American dairy cattle, 2002–2010

Cynthia J. Lindeman, Ellen Portis, Lacie Johansen et al. · Journal of Veterinary Diagnostic Investigation · 2013 · 41 citations · Full text

MICs of Oxazolidinones for <i>Rhodococcus equi</i> Strains Isolated from Humans and Animals

Terry L. Bowersock, Sarah A. Salmon, Ellen Portis et al. · Antimicrobial Agents and Chemotherapy · 2000 · 41 citations · Full text

Efficacy of a long-acting formulation of ceftiofur crystalline-free acid for the treatment of naturally occurring infectious bovine keratoconjunctivitis

Erica Dueger, Lisle W. George, John A. Angelos et al. · American Journal of Veterinary Research · 2004 · 28 citations · Full text

Identification of Porphyromonas levii isolated from clinical cases of bovine interdigital necrobacillosis by 16S rRNA sequencing.

M.T. Sweeney, Jeffrey L. Watts, Ellen Portis et al. · PubMed · 2009 · 19 citations

Bovine Interdigital Necrobacillosis, Medical Microbiology, Rrna Sequencing +15