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Published on: June 11, 2009
Sole ulcers in Finnish dairy cattle
Minna Kujala1, Ian R Dohoo, Minna Laakso
1Faculty of Veterinary Medicine, Department of Production Animal Medicine, University of Helsinki, Saari Unit, Pohjoinen pikatie 800, FIN-04920 Saarentaus, Finland. minna.j.kujala@helsinki.fi
Preventive Veterinary Medicine
|March 20, 2009
Summary
Sole ulcers in dairy cows are influenced by housing type, breed, and existing hoof lesions. Tie stall herds with mats and lower herd milk production showed reduced sole ulcer risk.
Area of Science:
- Veterinary Medicine
- Animal Science
- Epidemiology
Background:
- Hoof lesions are a significant welfare concern in dairy cattle.
- Understanding risk factors for specific lesions like sole ulcers is crucial for herd management.
Purpose of the Study:
- To determine the frequency and identify risk factors for hoof lesions, specifically sole ulcers, in Finnish dairy herds.
- To compare risk factors between tie stall (TS) and loose housing (LH) systems.
Main Methods:
- Utilized a large dataset (16,792 cows, 703 herds) from the Finnish Healthy Hooves project (2003-2004).
- Employed three-level hierarchical logistic models, accounting for hoof trimmer and farm effects.
- Analyzed data separately for tie stall and loose housing systems.
Main Results:
- Cows in loose housing (LH) had a higher initial risk of sole ulcers than those in tie stalls (TS).
- Increased examination frequency, Holstein breed, and presence of other hoof lesions (hemorrhages, heel-horn erosions, corkscrew claw) significantly increased sole ulcer risk.
- Use of mats in TS herds and higher herd average milk production were associated with reduced sole ulcer risk.
Conclusions:
- Housing type, breed, parity, and presence of other hoof lesions are key determinants of sole ulcer occurrence.
- Management strategies such as using mats in tie stalls and monitoring herd health can mitigate sole ulcer risks.
- Further research into breed-specific predispositions and environmental factors is warranted.
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