Publications by authors named "Todd Duffield"

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Describing the decision-making process of Ontario dairy farmers when managing down dairy cattle: A qualitative focus group study.
John E Brindle, Michael W Brunt, David L Renaud, Derek B Haley, Todd F Duffield

J Dairy Sci· December 2025

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Facilities and housing, husbandry, and health management practices on Quebec dairy farms: A retrospective descriptive study.
Heidi Jim, Eduardo S Ribeiro, Bruna Mion, Todd F Duffield, Rita Couto Serrenho

J Dairy Sci· December 2025

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Factors influencing Ontario dairy veterinarians' management and care of down dairy cows.
John E Brindle, David L Renaud, Derek B Haley, Todd F Duffield, Charlotte B Winder

Front Vet Sci· March 2025

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Factors associated with Ontario dairy producers' management and care of down dairy cattle.
John E Brindle, David L Renaud, Derek B Haley, Todd F Duffield, Charlotte B Winder

J Dairy Sci· January 2025

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Identification of genetic markers associated with hyperketonemia patterns in early lactation Holstein cows.
Maria Malane M Muniz, Rita Couto Serrenho, Todd Duffield, Gerson A de Oliveira Junior, Jessica A A McArt

J Anim Breed Genet· November 2024

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An evaluation form to aid dairy producers to systematically assess cows prior to culling.
Todd F Duffield, Allison K G Moorman, M Ann Godkin, David F Kelton, Jeffrey Rau

Can Vet J· August 2024

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A focus group study exploring dairy farmers' perspectives of cull cow management in Ontario, Canada.
Joanne Marshall, Derek B Haley, David Kelton, Cynthia Miltenburg, Steven Roche, Todd Duffield

Front Vet Sci· June 2023

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Association of herd hyperketolactia prevalence with transition management practices and herd productivity on Canadian dairy farms-A retrospective cross-sectional study.
Rita Couto Serrenho, Chris Church, Darren McGee, Todd F Duffield

J Dairy Sci· April 2023

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A survey of practices and attitudes around cull cow management by bovine veterinarians in Ontario, Canada.
Joanne Marshall, Derek Haley, Lena Levison, David F Kelton, Cynthia Miltenburg, Todd F Duffield

J Dairy Sci· January 2023

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Veterinarians' use of shared decision making during on-farm interactions with dairy and beef producers.
Antonia DeGroot, Jason B Coe, Todd Duffield

Vet Rec· January 2023

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Graduate Student Literature Review: Role of pain mitigation on the welfare of dairy calves undergoing disbudding.
Cassandra N Reedman, Todd F Duffield, Trevor J DeVries, Kerry D Lissemore, Charlotte B Winder

J Dairy Sci· August 2022

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A survey of dairy cattle farmers' management practices for cull cows in Ontario, Canada.
Joanne Marshall, Derek Haley, Lena Levison, David F Kelton, Cynthia Miltenburg, Todd F Duffield

Front Vet Sci· August 2022

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A systematic review of the cost of ketosis in dairy cattle.
Juan M Cainzos, Cristina Andreu-Vazquez, Marcello Guadagnini, Angelique Rijpert-Duvivier, Todd Duffield

J Dairy Sci· July 2022

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Evaluating the effectiveness of a single application of 7% iodine tincture umbilical dip as a prevention of infection of the external umbilical structures in dairy calves.
Matthew B Van Camp, Charlotte B Winder, Diego E Gomez, Todd F Duffield, Natalia K Savor

J Dairy Sci· July 2022

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Effect of plane of nutrition and analgesic drug treatment on wound healing and pain following cautery disbudding in preweaning dairy calves.
Cassandra N Reedman, Todd F Duffield, Trevor J DeVries, Kerry D Lissemore, SarahJ J Adcock

J Dairy Sci· July 2022

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Describing and Characterizing the Literature Regarding Umbilical Health in Intensively Raised Cattle: A Scoping Review.
Matthew B Van Camp, David L Renaud, Todd F Duffield, Diego E Gomez, William J McFarlane

Vet Sci· June 2022

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Erratum to "Risk factors for morbidity in 1- to 9-day-old dairy calves following caustic paste disbudding" (JDS Commun. 2:376-380).
Cassandra N Reedman, Todd F Duffield, Trevor J DeVries, Kerry D Lissemore, Charlotte B Winder

JDS Commun· March 2022

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Environment, nutrition, and management practices for far-off, close-up, and fresh cows on Canadian dairy farms-A retrospective descriptive study.
Rita Couto Serrenho, Christopher Church, Darren McGee, Todd F Duffield

J Dairy Sci· February 2022

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Risk factors for morbidity in 1- to 9-day-old dairy calves following caustic paste disbudding.
Cassandra N Reedman, Todd F Duffield, Trevor J DeVries, Kerry D Lissemore, Charlotte B Winder

JDS Commun· November 2021

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The effect of pegbovigrastim on early-lactation disease, production, and reproduction in dairy cows.
Sabrina J Van Schyndel, Jocelyn Dubuc, Osvaldo Bogado Pascottini, Jérôme Carrier, David F Kelton, Todd F Duffield

J Dairy Sci· September 2021

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Comparison of food-animal veterinarians' and producers' perceptions of producer-centered communication following on-farm interactions.
Antonia DeGroot, Jason B Coe, David Kelton, Cynthia Miltenburg, Jeffrey Wichtel, Todd Duffield

Vet Rec· August 2021

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Controlled trial of the effect of negative dietary cation-anion difference on postpartum health of dairy cows.
Rita Couto Serrenho, Tony C Bruinjé, Emma I Morrison, Trevor J DeVries, Todd F Duffield

J Dairy Sci· June 2021

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Controlled trial of the effect of negative dietary cation-anion difference prepartum diets on milk production, reproductive performance, and culling of dairy cows.
Rita Couto Serrenho, Tony C Bruinjé, Emma I Morrison, Trevor J DeVries, Todd F Duffield

J Dairy Sci· June 2021

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Randomized controlled trial assessing the effects of xylazine sedation in 2- to 6-week-old dairy calves disbudded with a cautery iron.
Cassandra N Reedman, Todd F Duffield, Trevor J DeVries, Kerry D Lissemore, Ian J Duncan

J Dairy Sci· May 2021

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Factors associated with food-animal producer visit-specific satisfaction following on-farm interaction with a veterinarian.
Antonia DeGroot, Jason Coe, David Kelton, Cynthia Miltenburg, Jeffrey Wichtel, Todd Duffield

Vet Rec· March 2021

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