Todd Duffield

Professor and Chair

University of Guelph

Canada

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About

Professor Todd Duffield is the Chair at the University of Guelph in Canada. His research primarily focuses on dairy cattle management, with recent articles examining decision-making processes among dairy farmers, as well as factors affecting the health and quality of dairy cows in automated milking systems. His work aims to improve carcass traits, metabolic health, and production outcomes for dairy herds.

Articles (12)

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2025

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2025

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2024

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2024

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2024

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2024

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2024

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2024

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2023

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2023

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2023

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2023

Collaborators (7)

Karin Orsel

Professor

University of Calgary

CANADA

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Gregory Penner

Professor

University of Saskatchewan

CANADA

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heidi rossow

UNITED STATES

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Stephen LeBlanc

Professor

University of Guelph

CANADA

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Jennifer Thomson

Associate Professor- Animal Genetics

Montana State University

UNITED STATES

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Derek Haley

Associate Professor

University of Guelph

CANADA

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Rita Couto Serrenho

Assistant Professor

Ontario Veterinary College, University of Guelph

CANADA

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Todd Duffield

Research Interests

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About

Articles (12)

Describing the decision-making process of Ontario dairy farmers when managing down dairy cattle: A qualitative focus group study

Factors associated with Ontario dairy producers' management and care of down dairy cattle

Farm-level risk factors associated with increased milk β-hydroxybutyrate and hyperketolactia prevalence on farms with automated milking systems

Farm-level nutritional factors associated with milk production and milking behavior on Canadian farms with automated milking systems

Can 60 days of feeding lead to increased fitness for transport in cull dairy cows?

Improving market (cull) dairy cows carcass traits and meat quality

Effect of glycerol supplementation in early lactation on metabolic health, milking activity, and production of dairy cows in automated milking system herds

Effect of pre- and postpartum supplementation of a pure glycerol product to dairy cows on feeding behavior, lying behavior, and reticulorumen pH

Characterizing ruminal acidosis risk: A multiherd, multicountry study

A survey of practices and attitudes around cull cow management by bovine veterinarians in Ontario, Canada

Association of herd hyperketolactia prevalence with transition management practices and herd productivity on Canadian dairy farms—A retrospective cross-sectional study

Effect of pre- and postpartum supplementation of a pure glycerol product to dairy cows on feed intake, metabolic markers, and milk yield and components

Collaborators (7)

Karin Orsel

Gregory Penner

heidi rossow

Stephen LeBlanc

Jennifer Thomson

Derek Haley

Rita Couto Serrenho

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