Figure 1. The average claw-health score for dairy herds, whereby in 7 herds claws were trimmed and scored twice and in 11 herds claws were trimmed and scored three times during a one year period (March 2007-April 2008)

From

Improving Claw Health in Dutch Dairy Herds

Menno Holzhauer, Chris J. M. Bartels, Theo J.G.M. Lam

World Journal of Agricultural Research. 2013, 1(6), 130-132 doi:10.12691/wjar-1-6-7