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Protect your pigs against PRRS (blue ear disease)
Porcine Reproductive and Respiratory Syndrome (PRRS), also named blue ear disease, is one of the most economically significant diseases in the swine industry worldwide due to its impact on pig health and productivity.
PRRS is a highly infectious viral disease, that significantly affects the reproductive and respiratory health of pigs, leading to substantial losses in the swine industry.
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What causes PRRS in pigs?
Porcine Reproductive and Respiratory Syndrome (PRRS) is a highly contagious viral disease that affects pigs. It's caused by the PRRS virus, which belongs to the Arterivirus family.
PRRS exists in two main strains: European (type 1) and North American (type 2). Both can cause reproductive problems in sows and respiratory diseases in piglets, reducing farm productivity.
In addition, PRRS weakens the immune system, increasing the risk of secondary infections such as Streptococcus suis or porcine circovirus type 2. Controlling it is complex because the virus mutates rapidly, making complete vaccination difficult.
How is the PRRS virus transmitted?
PRRS has high genetic variability, which makes it difficult to control and prevent.
The virus can be transmitted in several ways:
- Direct contact between infected pigs
- Contaminated semen during insemination
- Airborne transmission between nearby farms or areas with high pig density
- Contaminated objects (fomites) such as clothing, equipment, or vehicles
- Biological vectors, such as flies
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What are the symptoms of PRRS in pigs?
PRRS gives rise to extremely varied symptoms and also makes pigs more susceptible to infections caused by respiratory pathogens, Streptococcus suis, and porcine circovirus-2. Which can make diagnosis challenging. The clinical symptoms are often not immediately indicative of PRRS. Laboratory diagnosis is needed in addition to the clinical symptoms, with the presence of the virus being shown by a PCR test or antibodies to the virus by an ELISA test.
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- Reproductive issues in sows
- Respiratory problems in young pigs
- Fever
- Reduced Appetite
- Lethargy
- Poor Growth Rates
- Increased Mortality Rates
- Blue Ears
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How can you protect your farm from PRRS?
Farmers can take several proactive steps to protect their pigs from Porcine Reproductive and Respiratory Syndrome (PRRS). This includes taking part in controlled breeding programs, strict biosecurity measures, vaccination and good husbandry are key in preventing the virus.
The 5 steps to prevent PRRS in pigs
Fight PRRS in pigs with these five simple steps. Your actions can protect them.:format(webp))
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