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Derek B. Haley

Derek B. Haley

D-Index & Metrics

Animal Science and Veterinary

D-Index
36
Citations
4290
World Ranking
1642
National Ranking
112

Overview

Derek B. Haley is affiliated with the University of Guelph in Canada. Their research spans multiple areas within agricultural and biological sciences, focusing particularly on veterinary studies. Over their career, Haley has contributed extensively to topics related to animal behavior and welfare, environmental stress effects on livestock, nutrition and physiology of animals, meat and animal product quality, agricultural safety, and human-animal interactions.

Haley's research outputs are distributed widely across several scientific journals. The most frequent publication venues include the Journal of Dairy Science, Journal of Animal Science, Frontiers in Veterinary Science, PLoS ONE, and the Canadian Journal of Animal Science.

Their work often intersects with key subfields such as small animal studies, animal science and zoology, genetics, agronomy and crop science, and plant science. This interdisciplinary approach supports a broad understanding of animal health and agricultural practices.

Some of their recent papers include:

  • Predictors of diarrhea, mortality, and weight gain in male dairy calves (2022, Journal of Dairy Science)
  • Effect of transport and rest stop duration on the welfare of conditioned cattle transported by road (2020, PLoS ONE)
  • Effects of conditioning, source, and rest on indicators of stress in beef cattle transported by road (2021, PLoS ONE)
  • Associations between feeding behaviors collected from an automated milk feeder and disease in group-housed dairy calves in Ontario: A cross-sectional study (2021, Journal of Dairy Science)
  • A survey of dairy cattle farmers' management practices for cull cows in Ontario, Canada (2022, Frontiers in Veterinary Science)

Haley frequently collaborates with several researchers in the field, resulting in numerous joint publications. Notable co-authors include Sònia Martí, K. S. Schwartzkopf-Genswein, Daniela M Meléndez, Timothy Schwinghamer, and T.F. Duffield, with collaboration counts ranging from eight to ten publications per co-author.

The main research topics covered in Haley's work are:

  • Animal Behavior and Welfare Studies
  • Effects of Environmental Stressors on Livestock
  • Animal Nutrition and Physiology
  • Meat and Animal Product Quality
  • Agriculture and Farm Safety
  • Human-Animal Interaction Studies
  • Veterinary Practice and Education Studies

Best Publications

  • Behavioural indicators of cow comfort: activity and resting behaviour of dairy cows in two types of housing

    D. B. Haley;J. Rushen;A. M. de Passillé

  • Prevalence of lameness and associated risk factors in Canadian Holstein-Friesian cows housed in freestall barns.

    L. Solano;H.W. Barkema;E.A. Pajor;S. Mason

  • Assessing cow comfort: effects of two floor types and two tie stall designs on the behaviour of lactating dairy cows

    D.B Haley;A.M de Passillé;J Rushen

  • The effects of weaning beef calves in two stages on their behavior and growth rate.

    D. B. Haley;D. W. Bailey;J. M. Stookey

  • Effect of Softer Flooring in Tie Stalls on Resting Behavior and Leg Injuries of Lactating Cows

    J. Rushen;D. Haley;A.M. de Passillé

  • Associations between lying behavior and lameness in Canadian Holstein-Friesian cows housed in freestall barns

    L. Solano;H.W. Barkema;E.A. Pajor;S. Mason

  • Pain mitigation after band castration of beef calves and its effects on performance, behavior, Escherichia coli, and salivary cortisol.

    L. A. González;K. S. Schwartzkopf-Genswein;N. A. Caulkett;E. Janzen

  • Sampling cows to assess lying time for on-farm animal welfare assessment

    E. Vasseur;J. Rushen;D.B. Haley;A.M. de Passillé

  • Risk factors associated with mortality at a milk-fed veal calf facility: A prospective cohort study.

    D.L. Renaud;T.F. Duffield;S.J. LeBlanc;S. Ferguson

  • Prevalence of and factors associated with hock, knee, and neck injuries on dairy cows in freestall housing in Canada.

    J.C. Zaffino Heyerhoff;S.J. LeBlanc;T.J. DeVries;C.G.R. Nash

  • Effects of resistance to milk flow and the provision of hay on nonnutritive sucking by dairy calves.

    D.B. Haley;D.B. Haley;J. Rushen;I.J.H. Duncan;T.M. Widowski

  • Calf management risk factors on dairy farms associated with male calf mortality on veal farms

    D.L. Renaud;D.F. Kelton;S.J. LeBlanc;D.B. Haley

  • Management practices for male calves on Canadian dairy farms.

    D.L. Renaud;T.F. Duffield;S.J. LeBlanc;D.B. Haley

  • Associations between management practices and within-pen prevalence of calf diarrhea and respiratory disease on dairy farms using automated milk feeders

    Catalina Medrano-Galarza;Catalina Medrano-Galarza;Stephen J. LeBlanc;Stephen J. LeBlanc;Andria Jones-Bitton;Trevor J. DeVries;Trevor J. DeVries

  • Stocking density, milking duration, and lying times of lactating cows on Canadian freestall dairy farms

    G.L. Charlton;D.B. Haley;J. Rushen;A.M. de Passillé

  • Short communication: The effects of experimentally induced Escherichia coli clinical mastitis on lying behavior of dairy cows

    J.A. Cyples;C.E. Fitzpatrick;K.E. Leslie;T.J. DeVries

  • Effects of local anesthetic or systemic analgesia on pain associated with cautery disbudding in calves: A systematic review and meta-analysis

    Charlotte B. Winder;Cynthia L. Miltenburg;Jan M. Sargeant;Stephen J. LeBlanc

  • Clinical and metabolic indicators associated with early mortality at a milk-fed veal facility: A prospective case-control study

    D.L. Renaud;T.F. Duffield;S.J. LeBlanc;D.B. Haley

  • Practices for the disbudding and dehorning of dairy calves by veterinarians and dairy producers in Ontario, Canada.

    Charlotte B. Winder;Stephen J. LeBlanc;Derek B. Haley;Kerry D. Lissemore

  • The Protective Association between Pet Ownership and Depression among Street-involved Youth: A Cross-sectional Study

    Michelle Lem;Jason B. Coe;Derek B. Haley;Elizabeth Stone

  • An education and training programme for livestock transporters in Canada.

    Karen S Schwartzkopf-Genswein;Derek B Haley;Susan Church;Jennifer Woods

  • A survey of dairy calf management practices among farms using manual and automated milk feeding systems in Canada.

    Catalina Medrano-Galarza;Catalina Medrano-Galarza;Stephen J. LeBlanc;Stephen J. LeBlanc;Trevor J. DeVries;Andria Jones-Bitton

  • Effect of following recommendations for tiestall configuration on neck and leg lesions, lameness, cleanliness, and lying time in dairy cows.

    V. Bouffard;A.M. de Passillé;J. Rushen;E. Vasseur

  • Technical note: a comparison of 2 methods of assessing lameness prevalence in tiestall herds.

    Jenny Gibbons;Derek B. Haley;Janet Higginson Cutler;Clemence Nash

  • Dairy farmers' expectations and receptivity regarding animal welfare advice: A focus group study.

    S.L. Croyle;E. Belage;D.K. Khosa;S.J. LeBlanc

  • Associations of serum haptoglobin in newborn dairy calves with health, growth, and mortality up to 4 months of age.

    C.F. Murray;M.C. Windeyer;T.F. Duffield;D.B. Haley

  • Effects of Companion Animal Ownership among Canadian Street-involved Youth: A Qualitative Analysis

    Michelle Lem;Jason B. Coe;Derek B. Haley;Elizabeth Stone

  • Onset, duration and efficacy of four methods of local anesthesia of the horn bud in calves.

    Erin E Fierheller;Nigel A Caulkett;Derek B Haley;Darrel Florence

  • A method of outdoor housing dairy calves in pairs using individual calf hutches.

    L. Wormsbecher;R. Bergeron;D. Haley;A.M. de Passillé

  • Effect of transport and rest stop duration on the welfare of conditioned cattle transported by road.

    Daniela M Meléndez;Sonia Marti;Derek B Haley;Timothy D Schwinghamer

  • The effects of blindfolding on behavior and heart rate in beef cattle during restraint

    Kelly D Mitchell;Joseph M Stookey;Darrell K Laturnas;Jon M Watts

  • Butting by calves,Bos taurus, and rate of milk flow☆

    Derek B Haley;Derek B Haley;Jeffrey Rushen;Ian J.H Duncan;Tina M Widowski

  • Technical note: Assessing lameness in tie-stalls using live stall lameness scoring.

    S. Palacio;L. Peignier;C. Pachoud;C. Nash

Frequent Co-Authors

Stephen J. LeBlanc
Stephen J. LeBlanc University of Guelph
Jeffrey Rushen
Jeffrey Rushen University of British Columbia
A.M. de Passillé
A.M. de Passillé University of British Columbia
Trevor J. DeVries
Trevor J. DeVries University of Guelph
Doris Pellerin
Doris Pellerin Université Laval
Todd F. Duffield
Todd F. Duffield University of Guelph
Kerry D. Lissemore
Kerry D. Lissemore University of Guelph
Karen S. Schwartzkopf-Genswein
Karen S. Schwartzkopf-Genswein Agriculture and Agriculture-Food Canada
David L. Pearl
David L. Pearl University of Guelph
Edmond A. Pajor
Edmond A. Pajor University of Calgary

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Related Online Degrees & Career Pathways

Pursuing a degree in Animal Science or Veterinary studies opens up diverse career paths across healthcare, research, and management. For those interested in expanding their qualifications, considering an online doctorate in counseling can complement veterinary practice by enhancing skills in client communication and animal welfare advocacy.

Career opportunities with animals offer varying earning potentials. According to research on the highest paying animal jobs, roles such as veterinary specialists and animal scientists rank among the top, which is a motivating factor for students to select specialized programs.

Animal Science graduates can also transition into leadership roles. For example, understanding pathways like those described for becoming an athletic directors sheds light on managing teams and facilities, skills relevant for managing animal care centers or equestrian programs.

Additionally, complementing animal studies with an online exercise science degree can enhance knowledge about physiology and rehabilitation, valuable in veterinary physical therapy or animal training careers. Combining these fields supports flexible, interdisciplinary career development.

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