How to treat foot and mouth disease

summary

We are familiar with the foot-and-mouth disease of livestock, but many people do not know that people can also get foot-and-mouth disease, and foot-and-mouth disease, as an infectious disease, can cause great harm to the patients themselves and the people around them. Therefore, whether you read the text of friends and people around the foot-and-mouth disease, should be treated in time, so as not to cause greater harm. So, how to treat foot and mouth disease? Today I would like to share with you the treatment of foot-and-mouth disease, hoping to help you.

How to treat foot and mouth disease

First, the pathogen of foot-and-mouth disease is foot-and-mouth disease virus, which belongs to microRNA virus. There are 7 serotypes (a, O, C, South Africa 1, South Africa 2, South Africa 3, Asia 1) and 65 subtypes. There are many strains with different antigens in the subtypes, and new subtypes will appear every year. The antigenicity of each type was different, and there was no cross immunity between them. These characteristics of the virus bring great difficulties to the quarantine and epidemic prevention of the disease. Foot and mouth disease virus has strong resistance to the outside world and is not afraid of dryness. It has strong resistance to many chemical disinfectants. For example, phenolic disinfectants have little effect on foot and mouth disease virus, and organochlorine preparations can kill the virus in 30 minutes. Sodium hydroxide, iodine preparation and peracetic acid are effective on foot-and-mouth disease virus and can kill the virus in a short time.

Second: epidemiological foot-and-mouth disease virus infects many kinds of animals, artiodactyls are the most susceptible, cattle are the most susceptible, pigs are the second, sheep are the second, gender and susceptibility have no effect, but young animals are more susceptible than old animals. The main sources of infection of the disease are infected animals and infected animals. Through the way of blister fluid, excretion, secretion, exhaled gas and so on, the highly infectious virus is discharged to the outside, polluting feed, water, air, appliances and environment. After slaughtering, it is widely spread through non sterilized meat, viscera, blood, fur and waste water. In particular, the virus content in lymph nodes and bone marrow of sick pigs and latent pigs was the highest, which could be the main transmission factors of foot-and-mouth disease. This disease usually infects through respiratory tract and digestive tract, also can infect through wound and even complete mucous membrane and skin. Semen and milk also contain a lot of viruses and can be transmitted. Under certain conditions, air is also an important vector. Both human and non susceptible animals (dogs, horses, birds, etc.) can be the vectors of the disease.

Third: foot and mouth disease is a highly infectious disease, which spreads rapidly. Once it starts to spread, it is like a prairie fire, and spreads by leaps and bounds. After infected with foot-and-mouth disease virus (FMDV), pigs first store and proliferate in the pharynx, larynx and lung epithelial cells. The amount of virus in the air of infected pigs is 20 times as much as that of cattle. Therefore, the main way of rapid transmission in pig houses is air borne infection. The outbreak of foot-and-mouth disease has a certain periodicity, which generally occurs once every 2-3 years or 3-5 years. However, with the rapid development of pig industry, its periodicity is no longer obvious. The occurrence of this disease is not strictly seasonal, but its epidemic has obvious seasonal regularity. In China, it is easy to occur from late autumn to early spring of next year. With the increase of temperature, it gradually slows down and subsides.

matters needing attention

In vaccinated pig breeds, it usually occurs in reserve pigs, just like large pigs without booster immunization. Foot and mouth disease (FMD) occurs in pigs that have been in slaughterhouse for a long time, or in newly transferred and introduced breeding pigs.