An evaluation of the changes in distance from the external sole surface to the distal phalanx in heifers in their first lactation

Thin soles are a significant cause of lameness in dairy cattle but in most cases the diagnosis is based on subjective assessment. Ultrasonography has been used to more directly estimate sole thickness, but mostly on a one-off basis or over a short period of time. Data over a longer period of time (s...

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