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Table 6 Respondents’ ratings of statements linked to management of a dairy cow considered to be at risk of having subclinical mastitis on a scale from 1 to 6, where 1 is “never” and 6 is “always”, from a questionnaire study of biosecurity and disease management in organic and conventional dairy production

From: Biosecurity and animal disease management in organic and conventional Swedish dairy herds: a questionnaire study

Variable Organic Conventional P valuea
Median (min–max) Mean Median (min–max) Mean
Put the cow in a hospital pen 2 (1–6) 2.1 2 (1–6) 2.2 0.26
Increase cow-comfort by adding more litter/straw 3 (1–6) 2.9 3 (1–6) 3.2 0.18
Check the cell count of the milk 5 (1–6) 5.0 5 (1–6) 4.8 0.53
Send milk for bacteriological analysis 4 (1–6) 3.4 3 (1–6) 2.9 0.06
Contact the veterinarian immediately 2 (1–6) 2.3 2 (1–6) 2.8 0.05
Contact the veterinarian earliest after 1–2 days 4 (1–6) 3.5 3 (1–6) 3.4 0.64
Dry up the inflamed quarter and milk the other quarters as usual 4 (1–6) 3.5 3 (1–6) 3.2 0.12
Milk that cow separately and/or last 5 (1–6) 4.5 5 (1–6) 4.9 0.06
Milk the cow with shorter intervals 4 (1–6) 4 4 (1–6) 4.1 0.72
Milk the inflamed quarter completely 6 (2–6) 5.3 6 (1–6) 5.3 0.66
Dry off the cow earlier than planned (the whole udder) and apply dry-cow therapy 4 (1–6) 3.3 3 (1–6) 3.2 0.57
Treat the cow during the planned dry period 5 (1–6) 4.5 5 (1–6) 4.7 0.35
Dry the affected quarter if the cell count remains high after (antibiotic) treatment 5 (1–6) 4.3 5 (1–6) 4.4 0.76
Do not inseminate the cow and cull it at the next planned dry off 4 (1–6) 3.9 4 (1–6) 3.9 0.66
Cull the cow immediately 2 (1–5) 2.1 2 (1–5) 2.2 0.47
Cull the cow if an (antibiotic) treatment does not work 4 (1–6) 4.0 5 (1–6) 4.3 0.11
Cull the cow if the cell count remains high after (antibiotic) treatment 5 (1–6) 4.5 5 (1–6) 4.6 0.59
Check cell count of the whole herd 5 (1–6) 4.9 6 (1–6) 5.1 0.19
  1. a Kruskal–Wallis