What is HPS in pigs?
Haemophilus parasuis (HPS) can contribute to clinical disease in pigs in three major ways: joint problems, pneumonia and multisystemic disease (Table 1). Although HPS is a common resident of the upper respiratory tract of pigs of all ages, most pigs can harbor HPS in their nose with no ill effects.
What causes Fibrinous Polyserositis in pigs?
Piglets are at risk, especially when reared in a contaminated environment. Polyserositis has typically been the result of infection with Haemophilus parasuis (Glässer disease), with impact on pig production varying based on different serovars, and on environmental and immunologic factors.
What causes Glasser’s disease in pigs?
Glässer disease is caused by infection with Glaesserella (Haemophilus) parasuis. The most common form is characterized by fibrinous polyserositis and polyarthritis, but septicemia with sudden death and bronchopneumonia also can occur.
What is Aujeszky’s disease?
Aujeszky’s Disease (AD) or Pseudorabies is a notifiable infectious disease of pigs. It is caused by a herpes virus and other species are also susceptible, for example, cattle, sheep, dogs and cats. It is not transmissible to humans.
What causes Glasser’s disease?
Glässer disease is caused by infection with Glaesserella (Haemophilus) parasuis. The most common form is characterized by fibrinous polyserositis and polyarthritis, but septicemia with sudden death and bronchopneumonia also can occur. Diagnosis is based on clinical signs and bacterial isolation or PCR.
What is Fibrinous Polyserositis?
Glasser’s disease is characterized by fibrinous polyserositis (pleuritis, pericarditis, peritonitis, arthritis, and leptomeningitis). Although not generally a diarrheal disease, it causes inflammation of the intestinal serosa (serositis).
How do we prevent dysentery in pigs?
Control/Prevention When the first signs of the disease are present, water must be medicated with lincomycin, tiamulin or tylosin for at least 7 days. The most affected pigs must be injected with lincomycin, tiamulin or tylosin. Medicating the diet only helps prevent the development of clinical disease.
Is swine dysentery contagious?
Swine dysentery is a highly contagious disease of growing and finishing pigs. First described in Indiana in 1921, it has been called black scours, bloody scours, and vibrionic dysentery.
How is pseudorabies transmitted in swine?
How is Pseudorabies Transmitted? PRV is primarily spread through direct animal-to-animal (nose-to-nose) contact between an infected, shedding pig and a noninfected pig. It may also be spread by sexual contact.
Why is it called pseudorabies?
Swine are the natural hosts for SuHV-1, but other domestic and wild mammals, including ruminants, dogs, cats, raccoons, rabbits, and rodents, are susceptible to infection and fatal encephalitis. The name pseudorabies was applied because the clinical signs caused by the virus in rabbits resemble those of rabies.
Why has Glasser’s disease increased in both incidence and severity in recent years?
Glässer disease is seen worldwide, and its incidence appears to have increased since the emergence of porcine reproductive and respiratory syndrome Porcine Reproductive and Respiratory Syndrome .
How is Aujeszky’s disease transmitted?
Aujeszky’s disease is usually spread by nose-to-nose contact with an infected pig (direct contact), but aerosol transmission through respiratory secretions can also occur. The virus can be spread on fomites (objects in contact with infected animals or their environment) or in the carcasses of infected pigs.
What causes Aujeszky’s disease?
What causes Polyserositis?
There aetiology of polyserositis is wide, with more common causes encompassing autoimmune disorders (systemic lupus erythematosus and rheumatoid arthritis),2 3 infection (Mycoplasma pneumoniae, Legionella pneumophila, tuberculosis, coxsackievirus, Epstein-Barr virus, cytomegalovirus and Q fever),1 autoinflammatory …
How is swine dysentery diagnosed?
Clinical Presentation. The typical pig affected with swine dysentery will appear dull, depressed and inappetant with sunken (or slab) sides to its abdomen. Dehydration is common. The faeces will range from soft to almost water, containing blood, mucous and in severe cases necrotic gut lining.
How is swine dysentery prevented?
Finally, it is also important to clean, disinfect and dry the vehicles, clothing, shoes and equipment since these can be a constant source of (re)contamination. Also an effective pest control (rats, mice, insects) is essential in a preventive approach to swine dysentery.
Is swine dysentery notifiable?
Swine dysentery is confirmed through bacterial culture or PCR. It is not a notifiable disease, therefore APHA will only notify your vet of the test results.
What is Glasser’s disease?
An infectious disease of pigs, often acute, characterized by various combinations of meningoencephalitis, polyserositis and polyarthritis as well as a contributor to bacterial pneumonia. Glasser’s disease occurs sporadically among swine herds and is usually observed in three week to four month-old pigs.
What is Haemophilus parasuis (Glasser’s disease)?
Haemophilus parasuis (Glasser’s Disease) 1 Definition. An infectious disease of pigs, often acute, characterized by various combinations… 2 Occurrence. Glasser’s disease occurs sporadically among swine herds and is usually observed in three… 3 Historical information. In 1910, Glasser observed a swine disease and associated it with a small,…
When does Glasser disease occur in pigs?
Glasser’s disease occurs sporadically among swine herds and is usually observed in three week to four month-old pigs. It often occurs subsequent to stressful events such as weaning, changes in environment, commingling, or as coinfection with other disease agents.
Which diseases are transmitted from person to person without intermediaries?
Diseases that are transmitted from person to person without intermediaries include the sexually transmitted diseases, measles, mumps, streptococcal infection, and many respiratory pathogens.