A prospective longitudinal study of risk factors associated with cattle lameness in southern Alberta feedlots
The objectives of this study were to determine the incidence proportion of lameness in feedlot cattle and the associated risk factors. Lameness was studied in two southern Alberta feedlots over a 2 yr period. The incidence proportion of lameness was 36.3% for all calves pulled for treatment. Risk factors associated (P < 0.0001) with increased lameness included body weight (BW), type of cattle, source, stocking density, percentage of forage in the diet, season, precipitation 1 d before diagnosis, and average temperature range 3 d prior to diagnosis. As BW (P < 0.001) increased, the odds of becoming lame also increased. Yearlings and Holsteins had greater (P < 0.001) incidence of lameness than respiratory disease. The odds of becoming lame decreased (P < 0.001) with increased pen density and percentage of forage in the diet. Lameness was greatest in spring (P < 0.001) with the odds of becoming lame being more likely (P < 0.001) with increased precipitation and temperature range (P < 0.001). Use of a multifactorial approach including animal, managerial, and environmental factors in a single analysis will improve our understanding of the risk of increased lameness and aid in development of strategies to reduce its incidence in feedlots.
619 - Veterinària
Canadian Science Publishing
Is part of
Canadian Journal of Animal Science
Marti, S., M.D. Jelinski, E.D. Janzen, M.J. Jelinski, C.L. Dorin, K. Orsel, E.A. Pajor, J. Shearer, S.T. Millman, and K.S. Schwartzkopf-Genswein. 2021. "A Prospective Longitudinal Study Of Risk Factors Associated With Cattle Lameness In Southern Alberta Feedlots | Canadian Journal Of Animal Science". Canadian Journal Of Animal Science 100 (4). doi:10.1139/cjas-2020-0128.
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