Pseudorabies

Pseudorabies is a disease of swine that is caused by the Suid herpesvirus 1 (SuHV1), also known as Aujeszky's disease or mad itch. This disease is not related to rabies and the term "pseudorabies" is a misnomer. It is a viral disease that is infectious and can affect mammals, including humans. However, it is not a zoonotic disease, meaning it cannot be transmitted from animals to humans.

Symptoms

The symptoms of pseudorabies vary depending on the age of the pig. In newborn piglets, the disease is usually fatal and can cause symptoms such as trembling, excessive salivation, and convulsions. In older pigs, the symptoms can include fever, weight loss, respiratory distress, and neurological signs.

Transmission

Pseudorabies is primarily transmitted through direct contact with infected pigs. The virus can also be spread through the air, and can survive in the environment for a short period of time. The virus can also be spread through contaminated feed or water.

Diagnosis

Diagnosis of pseudorabies is based on clinical signs and laboratory testing. The virus can be detected in blood, saliva, nasal secretions, and tissues from affected pigs. The most common tests used for diagnosis are the virus isolation and the polymerase chain reaction (PCR) test.

Treatment and Prevention

There is no specific treatment for pseudorabies. Management of the disease involves supportive care and prevention of secondary infections. Vaccination is the most effective method of prevention. Biosecurity measures, such as isolation of infected pigs and disinfection of facilities, are also important in preventing the spread of the disease.

See Also

• Swine diseases
• Viral diseases
• Zoonotic diseases

References

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  Distribution of Pseudorabies in Wild Swine in the USA