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T

T.F. Duffield

University of Guelph

70H指数
386论文数
1.9W被引数
收录论文 167
发表时间
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Facilities and housing, husbandry, and health management practices on Quebec dairy farms: A retrospective descriptive study设施和住房、饲养管理以及健康管理实践在魁北克奶牛场：一项回顾性描述性研究
errJournal of Dairy Science
IF4.4
err2025-10-10
err0
errOAAI
errHeidi Jim; Eduardo S. Ribeiro; Bruna Mion; Todd F. Duffield; Rita Couto; null Serrenho
err分享
err收藏
Describing the decision-making process of Ontario dairy farmers when managing down dairy cattle: A qualitative focus group study描述安大略省奶农在减少奶牛存栏时的决策过程：一项定性焦点小组研究
errJournal of Dairy Science
IF4.4
err2025-09-25
err0
PREAI
errJohn E. Brindle; Michael W. Brunt; David L. Renaud; Derek B. Haley; Todd F. Duffield; Charlotte B. Winder
err分享
err收藏
Factors influencing Ontario dairy veterinarians' management and care of down dairy cows影响安大略省奶牛兽医对瘫痪奶牛的管理和护理的因素
errFRONTIERS IN VETERINARY SCIENCE
IF2.9
err2025-03-04
err0
errOAAI
errBrindle, John E.; Renaud, David L.; Haley, Derek B.; Duffield, Todd F.; Winder, Charlotte B.
err分享
err收藏
Factors associated with Ontario dairy producers' management and care of down dairy cattle
errJOURNAL OF DAIRY SCIENCE
IF4.4
err2025-01-01
err1
errOAAI
errBrindle, John E.; Renaud, David L.; Haley, Derek B.; Duffield, Todd F.; Winder, Charlotte B.
err分享
err收藏
Improving market (cull) dairy cows' carcass traits and meat quality
errJOURNAL OF DAIRY SCIENCE
IF4.4
err2024-12-01
err0
errOAAI
errBerdusco, N.; Kelton, D.; Haley, D.; Wood, K. M.; Duffield, T. F.
err分享
err收藏
Effect of glycerol supplementation in early lactation on metabolic health, milking activity, and production of dairy cows in automated milking system herds
errJOURNAL OF DAIRY SCIENCE
IF4.4
err2024-11-01
err0
errOAAI
errMcwilliams, C. J.; Pereira, M. N.; Duffield, T. F.; Wood, K. M.; Devries, T. J.
err分享
err收藏
Farm-level risk factors associated with increased milk β-hydroxybutyrate and hyperketolactia prevalence on farms with automated milking systems
errJOURNAL OF DAIRY SCIENCE
IF4.4
err2024-10-01
err0
errOAAI
errSoest, B. J. Van; Matson, R. D.; Santschi, D. E.; Duffield, T. F.; Steele, M. A.; Orsel, K.; Pajor, E. A.; Penner, G. B.; Mutsvangwa, T.; DeVries, T. J.
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err收藏
Can 60 days of feeding lead to increased fitness for transport in cull dairy cows?
errJOURNAL OF DAIRY SCIENCE
IF4.4
err2024-09-01
err1
errOAAI
errBerdusco, N.; Kelton, D.; Haley, D.; Wood, K. M.; Duffield, T. F.
err分享
err收藏
Farm-level nutritional factors associated with milk production and milking behavior on Canadian farms with automated milking systems
errJOURNAL OF DAIRY SCIENCE
IF4.4
err2024-07-01
err3
errOAAI
errVan Soest, B. J.; Matson, R. D.; Santschi, D. E.; Duffield, T. F.; Steele, M. A.; Orsel, K.; Pajor, E. A.; Penner, G. B.; Mutsvangwa, T.; DeVries, T. J.
err分享
err收藏
Characterizing ruminal acidosis risk: A multiherd, multicountry study (vol 106, pg 3155, 2023)
errJOURNAL OF DAIRY SCIENCE
IF4.4
err2024-04-01
err0
errOAAI
errGolder, H. M.; LeBlanc, S. J.; Duffield, T.; Rossow, H. A.; Bogdanich, R.; Hernandez, L.; Block, E.; Rehberger, J.; Smith, A. H.; Thomson, J.; Lean, I. J.
err分享
err收藏
Effect of preand postpartum supplementation of a pure glycerol product to dairy cows on feeding behavior, lying behavior, and reticulorumen pH
errJOURNAL OF DAIRY SCIENCE
IF4.4
err2024-03-01
err0
errOAAI
errVan Soest, B. J.; Pereira, M. N.; Duffield, T. F.; Steele, M. A.; Devries, T. J.
err分享
err收藏
Effect of pre- and postpartum supplementation of a pure glycerol product to dairy cows on feed intake, metabolic markers, and milk yield and components
errJOURNAL OF DAIRY SCIENCE
IF4.4
err2023-10-01
err4
errOAAI
errVan Soest, B. J.; Pereira, M. N.; Duffield, T. F.; Steele, M. A.; DeVries, T. J.
err分享
err收藏
Characterizing ruminal acidosis risk: A multiherd, multicountry study
errJOURNAL OF DAIRY SCIENCE
IF4.4
err2023-05-01
err8
errOAAI
errGolder, H. M.; LeBlanc, S. J.; Duffield, T.; Rossow, H. A.; Bogdanich, R.; Hernandez, L.; Block, E.; Rehberger, J.; Smith, A. H.; Thomson, J.; Lean, I. J.
err分享
err收藏
Association of herd hyperketolactia prevalence with transition management practices and herd productivity on Canadian dairy farms-A retrospective cross-sectional study
errJOURNAL OF DAIRY SCIENCE
IF4.4
err2023-04-01
err4
errOAAI
errSerrenho, Rita Couto; Church, Chris; McGee, Darren; Duffield, Todd F.
err分享
err收藏
Increased parity is negatively associated with survival and reproduction in different production systems
errJOURNAL OF DAIRY SCIENCE
IF4.4
err2023-01-01
err8
errOAAI
errLean, I. J.; Golder, H. M.; LeBlanc, S. J.; Duffield, T.; Santos, J. E. P.
err分享
err收藏
Associations of parity with health disorders and blood metabolite concentrations in Holstein cows in different production systems
errJOURNAL OF DAIRY SCIENCE
IF4.4
err2023-01-01
err34
errOAAI
errLean, I. J.; LeBlanc, S. J.; Sheedy, D. B.; Duffield, T.; Santos, J. E. P.; Golder, H. M.
err分享
err收藏
A survey of practices and attitudes around cull cow management by bovine veterinarians in Ontario, Canada
errJOURNAL OF DAIRY SCIENCE
IF4.4
err2023-01-01
err2
errOAAI
errMarshall, Joanne; Haley, Derek; Levison, Lena; Kelton, David F.; Miltenburg, Cynthia; Roche, Steven; Duffield, Todd F.
err分享
err收藏
Navel healing in male and female Holstein calves over the first 14 days of life: A longitudinal cohort study
errJOURNAL OF DAIRY SCIENCE
IF4.4
err2022-09-01
err3
errOAAI
errvon Konigslow, T. E.; Duffield, T. F.; Beattie, K.; Winder, C. B.; Renaud, D. L.; Kelton, D. F.
err分享
err收藏
An investigation of blood, milk, and urine test patterns for the diagnosis of ketosis in dairy cows in early lactation
errJOURNAL OF DAIRY SCIENCE
IF4.4
err2022-09-01
err16
errOAAI
errSerrenho, R. Couto; Williamson, M.; Berke, O.; LeBlanc, S. J.; DeVries, T. J.; McBride, B. W.; Duffield, T. F.
err分享
err收藏
Graduate Student Literature Review: Role of pain mitigation on the welfare of dairy calves undergoing disbudding
errJOURNAL OF DAIRY SCIENCE
IF4.4
err2022-08-01
err9
errOAAI
errReedman, Cassandra N.; Duffield, Todd F.; DeVries, Trevor J.; Lissemore, Kerry D.; Winder, Charlotte B.
err分享
err收藏

研究方向

暂无研究方向
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