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7 December 2024 A review of foot-related lameness in feedlot cattle
Sarah E. Erickson, Murray D. Jelinski, Calvin W. Booker, Eugene Janzen, Karen Schwartzkopf-Genswein
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Abstract

Lameness is the second most prevalent morbidity in North American feedlot cattle and is both an animal welfare and economic concern. Lameness accounts for 30%–40% of all feedlot treatments with greater than 70% being foot-related lameness (FRL). This review focused on foot rot (FR), digital dermatitis (DD), and toe tip necrosis syndrome (TTNS). While there are significant study-to-study differences regarding the prevalence of FR, DD, and TTNS, it is unequivocal that FR is the most prevalent. Poor pen conditions are risk factors for both FR and DD, but the epidemiology of the two diseases is quite different. Whereas FR is diagnosed throughout the feeding period, DD typically occurs after 80 days on feed (DOF). TTNS is the least prevalent of the three FRL, but has the greatest negative effect on animal welfare and production performance. Most TTNS cases occur within 50 DOF with treatment failure leading to a significant loss in production performance and even death. This review provides an overview of the epidemiology of lameness in feedlot cattle with emphasis on the prevalence and risk factors associated with FR, DD, and TTNS.

Sarah E. Erickson, Murray D. Jelinski, Calvin W. Booker, Eugene Janzen, and Karen Schwartzkopf-Genswein "A review of foot-related lameness in feedlot cattle," Canadian Journal of Animal Science 104(4), 420-435, (7 December 2024). https://doi.org/10.1139/cjas-2024-0047
Received: 18 April 2024; Accepted: 20 June 2024; Published: 7 December 2024
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KEYWORDS
digital dermatitis
feedlot
foot rot
lameness
toe tip necrosis
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