The mean PL in Swedish Holstein was 1,154 d in organic production and 1,087 d in conventional production.In the Swedish Red breed, the corresponding means were 1,159 and 1,045 d (Table 1). The distribution was skewed, resulting in medians lower than the means. The median for PL in organic and conventional production was 994 and 900 d for Swedish Holstein,
respectively, and 995 and 872 d in the Swedish Red breed. The means for the survival traits were generally higher in organic production, except for UHS, which was lower in organic production than in conventional (Table 1).