Additional File 1.Results of selected simple regression analysis between herd level mastitis incidence rate and managerial and environmental variables using PROC GLM (P < 0.25). Format: DOC Size: 123KB Download file This file can be viewed with: Microsoft Word Viewer Sato et al. Acta Veterinaria Scandinavica 2008 50:4 doi:10.1186/1751-0147-50-4 |