TABLE 4.

Summary of knowledge questions related to clinical signs, risk pathways, and preventive measures on ASF

Which of the following clinical signs do you associate with ASF in pigs? N† = 221
Answer	Number	Percentage (%)	Answer	Number	Percentage (%)
Fever	131	59.3	Vomiting	27	12.2
Diarrhoea	36	16.3	Lethargy	100	45.3
Vesicles around the tongue and lips	20	9.1	Difficulty to breathing	53	24.0
Lameness	16	7.2	Stillborn or weak piglets	18	8.1
Reddening or darkening of the skin	132	59.7	Nervous signs	31	14.0
High mortality	147	66.5	I do not know any signs	32	14.5

Through which of the following pathways can pigs get infected with ASF? N† = 227
Answer	Number	Percentage (%)	Answer	Number	Percentage (%)
Through direct contact with a diseased pig or carcass of a diseased pig	183	80.6	Through a bite of an infected tick	38	16.7
Through direct contact with diseased wild boars or carcass of a diseased wild boar	155	68.3	Through use of contaminated surgical equipment	32	14.1
Through consumption of kitchen waste	51	22.5	Through sexual contact	48	21.1
Through consumption of leftovers from the slaughter process	83	36.6	Through airborne transmission	42	18.5
Through contact with contaminated manure	75	33.0	I do not know any pathways	23	10.1
Through contact with contaminated clothing, footwear and/or transport vehicles	105	46.3

Which preventive measures do you take to protect your pigs against ASF? N† = 227
Answer	Number	Percentage (%)	Answer	Number	Percentage (%)
No exchange of feed or bedding with other backyards	106	46.7	My pigs are not allowed to roam around freely outside of my premise	143	63.0
Quarantine period for new animals in a separate room	61	26.9	Using only commercial pig feed	20	8.81
Provision of a salt block	6	2.6	Disinfecting and cleaning the areas around the backyard	69	30.4
Vaccination	49	21.6	My entire premise is fenced	137	60.4
No introduction of pigs from non‐commercial farms	76	33.5	I do not take any measures	28	12.3

N^†: Number of valid answers.