Sole lesion scores were transformed using a square root
transformation. Repeated measures ANOVA was used (Proc
Mixed). Lesion scores fromthe 1 week examination, the number
of weeks managed in cubicles post-partum and blocking factor
were inserted in the model as covariates. Fixed effects were
milking frequency, nutrition level, examination, age (primiparous
or multiparous) and interactions. Examination was the repeated
measure. A first order autoregressive covariance structure
provided the best model fit. Heel erosion scores were analyzed
using amixed modelwith the same covariates, fixed and random
effects as before. TheWilcoxon Rank testwas used to investigate
pair-wise differences in dermatitis score between milking frequency
and nutrition level at each inspection. Dermatitis scores
are reported as means and interquartile ranges. White line disease
scores were also analyzed using Wilcoxon Rank tests.