Case study: hock lesions as a potential source of Staphylococcus aureus mastitis

Hock injuries are a common injury in dairy cows that are housed indoors for the greater part of the year. Oftentimes, the lesions indicate inadequate stall or cubicle design in dairy barns. The presence and severity of hock lesions are associated with lameness and other disorders of the limb, which is why most welfare evaluations target hock lesion reductions to improve cow welfare. It is thought that hock lesions may also be associated with mastitis and reduced milk yield.
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