Faculty profile
Todd Duffield
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Read how they describe their research on their University of Guelph profile.
Latest papers
Identification of genetic markers associated with hyperketonemia patterns in early lactation Holstein cows.
Journal of animal breeding and genetics = Zeitschrift fur Tierzuchtung und Zuchtungsbiologie · 2024
A focus group study exploring dairy farmers' perspectives of cull cow management in Ontario, Canada.
Frontiers in veterinary science · 2023 · senior author
Veterinarians' use of shared decision making during on-farm interactions with dairy and beef producers.
The Veterinary record · 2023 · senior author
Latest funding
- $121,200
Enhancing resistance to ketosis through genomics
NSERC · 2016 · Co-investigator
- $52,958
Use of sensor technology to detect rumen acidosis and other health challenges in the periparturient dairy cow
NSERC · 2008 · Co-investigator
- $74,500
An investigation of selenium status on the success of passive transfer of immunoglobulin and general health in newborn dairy calves
NSERC · 2008 · Co-investigator
21 publications.
Identification of genetic markers associated with hyperketonemia patterns in early lactation Holstein cows.
Muniz MMM, Serrenho RC, Duffield T, de Oliveira Junior GA, McArt JAA, Baes CF, Schenkel FS, Squires EJ
A focus group study exploring dairy farmers' perspectives of cull cow management in Ontario, Canada.
Marshall J, Haley DB, Kelton D, Miltenburg C, Roche S, Duffield T
Veterinarians' use of shared decision making during on-farm interactions with dairy and beef producers.
DeGroot A, Coe JB, Duffield T
A systematic review of the cost of ketosis in dairy cattle.
Cainzos JM, Andreu-Vazquez C, Guadagnini M, Rijpert-Duvivier A, Duffield T
Comparison of food-animal veterinarians' and producers' perceptions of producer-centered communication following on-farm interactions.
DeGroot A, Coe JB, Kelton D, Miltenburg C, Wichtel J, Duffield T
Factors associated with food-animal producer visit-specific satisfaction following on-farm interaction with a veterinarian.
DeGroot A, Coe J, Kelton D, Miltenburg C, Wichtel J, Duffield T
Editorial: Animal Transport and Related Management.
Herskin MS, Duffield T
Graphene-based multiplexed disposable electrochemical biosensor for rapid on-farm monitoring of NEFA and βHBA dairy biomarkers.
Tuteja SK, Duffield T, Neethirajan S
Liquid exfoliation of 2D MoS2 nanosheets and their utilization as a label-free electrochemical immunoassay for subclinical ketosis.
Tuteja SK, Duffield T, Neethirajan S
Development of quantum dots-based biosensor towards on-farm detection of subclinical ketosis.
Weng X, Chen L, Neethirajan S, Duffield T
Enhancing resistance to ketosis through genomics
Principal investigators: Squires, Eli
Use of sensor technology to detect rumen acidosis and other health challenges in the periparturient dairy cow
Principal investigators: McBride, Brian
An investigation of selenium status on the success of passive transfer of immunoglobulin and general health in newborn dairy calves
Principal investigators: Leslie, Ken
Investigations into biological indicators, behavioural responses and management solutions to problems at calving in dairy cattle
Principal investigators: Leslie, Ken
Feeding behaviour as an early indicator of illness in transition cows
Principal investigators: VonKeyserlingk, Marina
Development of a system to detect and resolve negative energy balance in prepartum dairy cows to prevent postparturient problems and to reduce calf losses
Principal investigators: Leslie, Ken
Impact, zoonotic potential and epidemiology of Cryptosporidium on dairy farms
Principal investigators: Peregrine, Andrew
Development of antimicrobial resistance in common mastitis-causing bacteria of dairy cattle in Canada
Principal investigators: Leslie, Ken
From public funding decisions: CIHR since 2008, NSERC since 1991 and SSHRC since 1998 with their latest competition results, the Canada Foundation for Innovation, Genome Canada, the Canadian Space Agency, Canada Research Chairs, the Fonds de recherche du Québec, Ontario research funding, Michael Smith Health Research BC, the Canadian Cancer Society, Heart & Stroke and Brain Canada.
Frequent collaborators
- Todd Duffield and David Kelton: 3 shared papers
- Stephen LeBlanc and Todd Duffield: 2 shared papers
- Todd Duffield and Jeffrey Wichtel: 2 shared papers
- David Kelton and Paula Menzies: 2 shared papers
- David Kelton and Jeffrey Wichtel: 2 shared papers
- Paula Menzies and Jeffrey Wichtel: 2 shared papers
- Jason Coe and Jeffrey Wichtel: 2 shared papers
- Stephen LeBlanc and Paula Menzies: 1 shared paper
- Stephen LeBlanc and Kerry Lissemore: 1 shared paper
- Stephen LeBlanc and Ken Bateman: 1 shared paper
- Todd Duffield and Paula Menzies: 1 shared paper
- Todd Duffield and Jason Coe: 1 shared paper
- Todd Duffield and Kerry Lissemore: 1 shared paper
- Todd Duffield and Ken Bateman: 1 shared paper
- David Kelton and Jason Coe: 1 shared paper
- David Kelton and Kerry Lissemore: 1 shared paper
- Paula Menzies and Ken Bateman: 1 shared paper
- Department of Population Medicine
Co-authors at University of Guelph, colored by department. Thicker lines mean more shared papers; select anyone to open their profile and their own map.
David Kelton
Department of Population Medicine
3 shared papers, latest 2023
Jeffrey Wichtel
Department of Population Medicine
2 shared papers, latest 2021
Stephen LeBlanc
Department of Population Medicine
2 shared papers, latest 2009
Kerry Lissemore
Department of Population Medicine
1 shared papers, latest 2008
Ken Bateman
Department of Population Medicine
1 shared papers, latest 2008
Jason Coe
Department of Population Medicine
1 shared papers, latest 2021
Paula Menzies
Department of Population Medicine
1 shared papers, latest 2008
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Profile data last refreshed on September 27, 2026 from the university directory, publication records and public research funding records.