Today we come to know The threat that is destroying the Thai economy at this time

😈African swine fever (ASF) or Thai called African swine fever It is a disease that can spread among Pigs of all ages can spread infection quickly and can persist in various environments for a long time Even after the infected pig dies, the morbidity rate = 100% and the mortality rate is 30%-100%, and the piglet mortality reaches 80%-100% within 14 days.

However, ASF is not dangerous for humans. and other animals other than pigs But humans and disease-carrying animals such as ticks or flies as a carrier of infection to spread to pigs without knowing and when an infection occurs inside the house It’s definitely becoming a big deal. because at present There is no cure or vaccine for pigs. when an infection occurs All that must be done is to destroy the infected and uninfected pigs immediately. to prevent the infection from spreading

As a result, many small pig farmers in a difficult situation because pigs cannot be exported and lost a lot of income Plus, many small producers are unable to adjust to the emerging farming costs according to the Department of Livestock Development’s standards.

making small producers unable to bear the cost

As a result, the price of pork in the market is higher, fresh pork shops and restaurants need to raise their prices.

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💥 Therefore, the farmer must strictly follow the biosafety measures. Including raising pigs in a closed house system (EVAP) can reduce the risk of disease in the herd.

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What is ASF ?

ASF stands for African Swine Fever or African Swine Fever. It is a severe infectious disease in pigs caused by the Asfivirus group, a highly resistant DNA virus in the environment. by being in the environment for a long time and live in frozen pork for many years. Note ASF (African Swine Cholera) and CSF (Pig Cholera).

ASF is not the same disease as Classical Swine Fever (CSF). CSF is a pig RNA virus disease. There is a vaccine.

What is ASF ? 

     ASF stands for African Swine Fever or African Swine Fever. It is a severe infectious disease in pigs caused by the Asfivirus group, a highly resistant DNA virus in the environment. by being in the environment for a long time And it can stay in frozen pork for many years.

Does ASF infect humans or other animals?

     ASF can only affect pigs, both domesticated pigs and wild boars (#not human!!! Pork eaters with the disease are harmless.)

How do pigs get infected with ASF?

      Pigs are often infected with ASF from eating food particles that have been infected with pathogens. and contact with contaminated people, things, transport vehicles and vectors, which can carry the disease directly, including soft ticks, found only in Africa and Europe. not found in Thailand (#There are no reports that ASF can be transmitted through the air.)

How long does ASF live in the environment?

ASF pathogens are environmentally resistant. which can be divided as follows

– Can live in pig manure and environment for about 1 month

– in the carcass and in the soil for up to 3 months

– In processed meat, dried meat, up to 1 year

– Can be stored in frozen meat for up to 3 years

( *This germ does not die in the uncooked food production process. and survive in the animal feed production process)

How to kill ASF germs?

        ASF pathogens can die at 60°C heat in approximately 30 minutes, and most disinfectant test reports have been able to kill ASF in the ratio recommended by the manufacturer. Or generally use 1:200 such as Glutaraldehyde, Phenol, Iodine, Chlorine, etc., with a period of 5-30 minutes after sterilization.

What are the symptoms and lesions of ASF?

Infected pigs will develop high fever, bleeding spots, vomiting, bloody diarrhea, and almost 100% die, with pigs showing symptoms 3-4 days after infection.

Where does ASF spread? As for Thailand, is there an epidemic of this disease?

     The first outbreak was found in Kenya. Africa in 1921 (the origin of the name ASF). Currently, the outbreak spreads to Europe and Asia. for Asia The first outbreak was found in China in August 2018. Currently, it has spread to Mongolia, Vietnam, Cambodia and most recently North Korea, a total of 5 countries.

How do I know if my pig has ASF ?

     can diagnose initially from symptoms and lesions And tested by ASF Rapid test by dropping fresh blood onto the Testkit and read the results. For confirmation, ASF-ELISA should be used for immunosuppression. This will give positive results when the pig is infected for more than 7-14 days and the ASF-PCR method for detecting the virus in the blood and tissues of the pig body. This will give a positive result when the pig has been infected for more than 3 days.

Is there a cure for ASF and is there a vaccine to prevent it?

     There is currently no cure and vaccine. Scientists are currently experimenting with antiviral drugs. and ASF vaccines in countries such as Spain, China, United States, United Kingdom and South Korea. This may take some time to succeed.

How can we prevent and control ASF ?

There are three levels of prevention of ASF:

1) International Disease Prevention (International biosecurity) prohibiting the import of meat and raw materials from countries where the disease occurs. Disease testing from products at the airport by passenger ship According to the entrance-exit checkpoints between the borders Prohibit bringing meat and pork products from affected countries into Thailand, etc.

2) Disease prevention within the country or between farms or from external biosecurity agencies such as feed mills, slaughterhouses, veterinary drug companies pet equipment companies, etc.

3) Farm biosecurity: Pig farms with a good disease prevention system must comply with the 10 prohibitions (articles) and 10 guidelines (articles) in the prevention of ASF disease such as not bringing food scraps to feed the pigs. Take a shower and change into the staff’s farm uniform. Disinfectant spraying of transport vehicles Cleaning and spraying house disinfectants Prevention and elimination of pests

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