Current research and/or projects
- Understanding the dynamics of the swine gut microbiome in response to perturbations and weaning.
- Sow milk microbiome and resistome
- Nasopharyngeal microbiome of beef cattle and the development of bovine respiratory disease.
- Developing antimicrobial alternatives for use in swine production.
Professional activities / interests
Editorial Board Member, Applied and Environmental Microbiology, 2020-present
Chair, Lacombe Research and Development Centre Animal Care Committee, 2018-present
Education and awards
Ph.D., Microbiology, McGill University
M.Sc., Food Microbiology, Dalhousie University
B.Sc. (Hons.), Environmental Biology, Nova Scotia Agricultural College (Dalhousie University)
International experience and/or work
ORISE Postdoctoral Fellow, United States Department of Agriculture, National Animal Disease Center, Ames, IA, USA, 2016-17.
Holman, D.B., Hao, X., Topp, E., Yang, H.E., Alexander, T.W. (2016). Effect of co-composting cattle manure with construction and demolition waste on the archaeal, bacterial, and fungal microbiota, and on antimicrobial resistance determinants, 11(6), 1-21. http://dx.doi.org/10.1371/journal.pone.01575392016 - View publication details
Timsit, E., Workentine, M., Schryvers, A.B., Holman, D.B., van der Meer, F., Alexander, T.W. (2016). Evolution of the nasopharyngeal microbiota of beef cattle from weaning to 40 days after arrival at a feedlot, 187 75-81. http://dx.doi.org/10.1016/j.vetmic.2016.03.0202016 - View publication details
Holman, D.B., Timsit, E., Alexander, T.W. (2015). The nasopharyngeal microbiota of feedlot cattle, 5 http://dx.doi.org/10.1038/srep155572015 - View publication details
Holman, D.B., McAllister, T.A., Topp, E., Wright, A.D.G., Alexander, T.W. (2015). The nasopharyngeal microbiota of feedlot cattle that develop bovine respiratory disease, 180(1-2), 90-95. http://dx.doi.org/10.1016/j.vetmic.2015.07.0312015 - View publication details
• American Society for Microbiology
• Canadian Society of Microbiologists
• International Society for Microbial Ecology