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Establishment and Evaluation of a Sheep Model of Full-thickness Osteochondral Defect

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[Hock lesions in dairy cows--an overview].

K Nuss¹, E Weidmann

¹Karl Nuss, Prof. Dr. med. vet., Dipl. ECVS, Departement für Nutztiere, Vetsuisse-Fakultät der Universität Zürich, Winterthurerstrasse 260, CH-8057 Zürich,

Tierarztliche Praxis. Ausgabe G, Grosstiere/Nutztiere

|August 21, 2013

Summary

Hock lesions, a common dairy cattle disease, affect 40-70% of cows due to poor housing. Straw-covered manure packs significantly reduce lesion prevalence, improving animal welfare and productivity.

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Area of Science:

Veterinary Medicine
Animal Science
Agricultural Engineering

Context:

Hock lesions (technopathies) are prevalent husbandry-related diseases in dairy cattle, affecting 40-70% of the population.
These conditions are linked to inadequate stall and cubicle design in dairy barns, posing significant animal welfare concerns.
The severity of hock lesions correlates with lameness, other limb disorders, mastitis, and decreased milk yield, impacting both animal well-being and farm productivity.

Purpose:

To investigate the prevalence and impact of hock lesions in dairy cattle.
To identify housing factors contributing to hock lesions.
To evaluate the effectiveness of different bedding materials in mitigating these conditions.

Summary:

Hock lesions are a widespread issue in dairy cattle, with prevalence rates from 40% to 70%.
Inadequate housing design is a primary cause, leading to welfare issues and reduced milk production.
Epidemiological studies indicate that straw-covered manure packs are associated with the lowest lesion prevalence, followed by sand bedding when adequate lying space is provided.

Impact:

Highlights the critical link between housing design, animal welfare, and dairy production efficiency.
Provides evidence-based recommendations for improving dairy cattle housing to reduce hock lesions.
Emphasizes the economic and ethical importance of addressing technopathies in dairy farming.