Todd F Duffield

University of Guelph
Guelph, ON
Canada

Papers:
34 The Effect of Respiratory Disease on Lying Behavior in Holstein Dairy Calves 70 Associations of Serum Haptoglobin in Newborn Dairy Calves with Future Health, Growth and Mortality up to 4 Months of Age 355 Evaluation of a Handheld Device for the Detection of ß-hydroxybutyrate Pre-calving in Dairy Cattle