Survival time of African classical swine fever virus
The survival time of African classical swine fever virus? How to kill African classical swine fever virus? Recently, the epidemic of classical swine fever in Africa has spread to the southeast and southwest, spreading very fast. Although the fatality rate of this virus to pigs is almost as high as 100%, African classical swine fever is not transmitted to humans. It only spreads between domestic pigs and wild boars, so there is no need to worry too much.
The survival time of African classical swine fever virus?
African classical swine fever virus is tolerant to low temperature, sensitive to high temperature, and the survival time is different under different temperature conditions. ASFV can survive for several weeks in 25-37 ℃, 70 minutes in 56 ℃, 20 minutes in 60 ℃, more than one year in 4 ℃, and even several years in frozen meat.
Not only that, the virus often resides in domestic pigs, wild boars (warthog, African scrub pigs) and soft ticks, which can cause a variety of ways of transmission. "exposure to infected pigs and their feces, contaminated shoes, clothes and utensils from pig farms can cause the virus to spread rapidly among domestic and wild pigs.
The main transmission cycles of ASFV are: wild boar-soft tick-domestic pig, domestic pig-domestic pig, wild boar-wild boar and wild boar-domestic pig, and the virus can persist in different cycles.
African classical swine fever virus exists in body fluids, tissues, secretions and feces of sick and dead pigs and can contaminate feed, enclosures, fences, utensils and clothing. Healthy pigs can be infected by the bites of poisonous blood-sucking insects such as soft ticks; they can be infected by eating contaminated feed and hogwash and coming into contact with contaminated houses, fences, utensils and clothing; and they can also be infected by contaminated air within a short distance.
How to kill African classical swine fever virus?
Kill at 50 degrees Celsius for 70 minutes
Kill at 60 degrees Celsius for 20 minutes
8% NaOH for 30 minutes
3% formalin 30 minutes
Hypochlorite (2.3% available chlorine) for 30 minutes
3% o-phenylphenol for 30 minutes
- Prev
Are the symptoms of African classical swine fever dead once they are infected?
Recently, the report on African classical swine fever really makes people talk about pig color change, and pork prices in many places have also been affected to a certain extent. African classical swine fever is a pig disease caused by an acute, febrile and highly contagious viral virus.
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How did classical swine fever come from?
Since the outbreak of classical swine fever in Africa, pig prices across the country have continued to rise, and many citizens have said that they cannot afford to eat pork, and the losses caused by classical swine fever are relatively large. Do you know how classical swine fever came from? What are the effects? How did classical swine fever come from? Classical swine fever is caused by pigs of the flavivirus family.
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