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Table 1 Summary of farm movement information through survey

From: Seroprevalences of multi-pathogen and description of farm movement in pigs in two provinces in Vietnam

QuestionsCategoryProportion (%)
How often did you import the pigs on your farm over the last 6 months?041.67
≤2 times41.67
> 2 times16.67
How often did you export your pigs from your farm over the last 6 months?09.17
≤2 times53.33
> 2 times37.5
What kind of production system do use on your farm?All-in-All-out35.83
Continuous flow64.17
Are new purchased pigs that are mixed with existing pigs over the last 6 months?Yes15.83
No84.17
How often did other pig farmers visit on your farm over the last 6 months?081.67
≤2 times7.50
> 2 times10.83
How often did traders visit on your farm over the last 6 months025.0
≤2 times35.83
> 2 times39.17
How often did butchers visit on your farm over the last 6 months?063.33
≤2 times20.0
> 2 times16.67
How often did veterinarians/animal health workers visit on your farm over the last 6 months?040.83
≤2 times40.83
> 2 times18.33
How often were vehicles allowed onto the premises over the last 6 months?088.33
≤2 times7.50
> 2 times4.17