Circoviruses in Swine Flashcards
Swine circovirus causes lesions in multiple organs and strong
immunosuppression.
T
Porcine circovirus can be transmitted by mice and rats.
T
Porcine circovirus vaccines are available both for sows and for piglets.
T
Detection of PCV2’s DNA is enough for the correct diagnosis
T
Four species of swine circovirus were described.
T
The porcine circovirus 2 is proven to be immunosuppressive.
T
PCV2 detection in foetal myocardium is pathognomic value.
T
Porcine circovirus replicates in the myocardium of the foetus
T
In pigs the porcine circovirus 2 can cause BFD.
F
The porcine circovirus can replicate in the foetus.
T
The clinical signs, pathological and histopathological examination suggest PCV2 induced
disease
T
PCV2 can cause respiratory signs
T
The primer replication of PCV2 is in lymphoid tissues of the throat
T
PCV2 infection does not always cause clinical signs
T
Porcine circovirus 2 always causes clinical signs in pigs
F
Porcine circovirus 2 always causes clinical signs in cattle
F
There is no efficient vaccine against PCV2
F
The porcine circovirus can replicate in the foetus
T
Circovirus in pigs can be Subclinical
T
Porcine circoviruses are responsible for a variety of clinical conditions
T
Porcine circoviruses cannot be responsible for reproductive disorders
F
Porcine circoviruses are present worldwide
T
Porcine circovirus can be transmitted by mice and rats.
T
Porcine circoviruses cause severe haemorrhagic diseases in pigs
T
Porcine circoviruses are genetically and antigenically uniform.
F
Porcine circoviruses may cause a variety of diseases.
T
For prevention of Swine circovirus disease only general hygienic measures can be used.
F
Swine circovirus can cause retarded growth and strong immunosuppression.
T
Swine circovirus caused disease occurs worldwide, it is frequent.
T
For prevention of swine circovirus disease, inactivated vaccine is available.
T
Swine circovirus causes only respiratory signs.
F
Swine circovirus may be shed in excretions for several months after recovery.
T
For prevention of Porcine circovirus disease vaccines are available.
T
The incubation period of Porcine circovirus caused disease is about 2-4 weeks.
T
Incubation period of porcine circovirus disease is short, some days.
F
Porcine circovirus-2 causes clinical signs mainly after weaning.
T
Predisposing factors for Porcine Circovirus associated disease can be: Vaccines. The virus
variant. Virus strain
T
Predisposing factors for Porcine Circovirus associated disease can be Food management.
F
PCV2 can cause: Enteric disorders. Disorders in the nervous system. Respiratory disease.
Reproductions disorders.
T
Porcine circovirus-1 may damage the foetus.
F
Porcine circoviruses cannot be responsible for reproductive disorders.
F
Porcine circoviruses replicate in the heart of the foetus
T
Porcine circovirus may cause inapparent infections.
T
Circovirus can be responsible for the Porcine Respiratory Disease Complex.
T
Reproductive disorders caused by Porcine circoviruses are only significant in North
America.
F
Circovirus cause skin lesions in swine
T
