SVD (Swine vesicular disease)

Question 1

SVD

Answer 1

 Picornaviridae, Enterovirus
 clinically indistinguishable from FMD
(and other vesicular diseases)
 extremely resistant
 maximum incubation period: 28 days

Question 2

Confirmation of the presence of the

disease:

Answer 2

 virus isolation from the pigs or from the
environment
 seropositive pigs + characteristic lesions
 clinical signs + direct epidemiological
connection with a confirmed outbreak

Question 3

only seropositive pigs:

Answer 3

resampling and

retesting with an interval of 28 days

Question 4

if no evidence of the disease, but the pigs

are still seropositive:

Answer 4

 killed and destroyed or
 slaughtered separately and the meat is
exclusively used on the national market

Question 5

Protection zone:

Answer 5

 minimum radius of 3 km
 identification of all holdings having susceptible animals
 periodic visits to holdings having susceptible animals, clinical
examination, samples for laboratory examination;
 prohibition of the movement and transport of animals of
susceptible species on public or private roads, excluding the
service roads of holdings
 pigs may not be removed from a for 21 days after completion of
the preliminary cleaning and disinfection of infected holdings;
 after 21 days, authorization may be given to remove pigs:
– to a slaughterhouse within the protection or surveillance zone
– exceptionally to other premises within the protection zone
 mark and treatment of fresh pigmeat

Question 6

Surveillance zone

Answer 6

 a minimum radius of 10 km.
 identification of all holdings having
animals of susceptible species
 movement restrictions

Question 7

Restocking of infected holdings

Answer 7

 four weeks after completion of the first full disinfection of the
premises
outdoor pig holdings:
 negative sentinel piglets: examined clinically and sampled for
serological testing after 28 days
 full restocking
other forms of rearing:
 within a period of eight days
 seronegative pigs
 no pig may leave the holding for a period of 60 days after the
arrival of the last pigs,
 clinical and serological examination: 28 days after the arrival of
the last pigs