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

BMC Veterinary Research

Table 1 Summary of farm movement information through survey

Questions	Category	Proportion (%)
How often did you import the pigs on your farm over the last 6 months?	0	41.67
	≤2 times	41.67
	> 2 times	16.67
How often did you export your pigs from your farm over the last 6 months?	0	9.17
	≤2 times	53.33
	> 2 times	37.5
What kind of production system do use on your farm?	All-in-All-out	35.83
What kind of production system do use on your farm?	Continuous flow	64.17
Are new purchased pigs that are mixed with existing pigs over the last 6 months?	Yes	15.83
	No	84.17
How often did other pig farmers visit on your farm over the last 6 months?	0	81.67
	≤2 times	7.50
	> 2 times	10.83
How often did traders visit on your farm over the last 6 months	0	25.0
	≤2 times	35.83
	> 2 times	39.17
How often did butchers visit on your farm over the last 6 months?	0	63.33
	≤2 times	20.0
	> 2 times	16.67
How often did veterinarians/animal health workers visit on your farm over the last 6 months?	0	40.83
	≤2 times	40.83
	> 2 times	18.33
How often were vehicles allowed onto the premises over the last 6 months?	0	88.33
	≤2 times	7.50
	> 2 times	4.17

ISSN: 1746-6148