The Causes and Prevention of Immunity Failure of Foot-and-Mouth Disease

Foot-and-mouth disease is the most virulent viral disease in the world today. It has a wide range of hazards, including cloven-hoofed animals such as cows, pigs, and sheep. Rats and rabbits are also high-risk populations. Second, rapid transmission and infection rates. Gao, the International Epidemiological Bureau listed it as the first of Class A infectious diseases; 3. Widespread access to the means of transmission, air, and food can all lead to the spread of the disease; in the event of strong winds or mass transport of the herds, the infection will be faster; With high rates, the mortality rate for piglets in general is 100%, and the mortality rate for adult animals after infection is also higher than 80%.

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At present, immunization is an important means to prevent the attack of foot-and-mouth disease in pigs. In general, immunization can effectively control the spread and recurrence of foot-and-mouth disease. However, the phenomenon of recurrence is still visible after immunization, which affects the farmers' confidence in immunity. Recently, on a well-known web forum, a poll was launched on the immune effectiveness of live-breeding swine foot-and-mouth disease vaccine. 89% of the participants were using the foot-and-mouth disease vaccine. Only 21% of the participants considered the effect to be good, and 16% of the participants considered it as immune. invalid. There are four main causes of immune failure:
1, but the quality of the vaccine is not closed. The vaccine is contaminated in the preparation process, the amount of antigen is not up to standard, inactivation of inactivated vaccines is not complete, and so on. Because of the poor quality, the disease relapsed, accounting for more than 40% of immune failure.
2, expired vaccine expired. Any kind of vaccine has a lifespan, if it exceeds the lifespan, its immunity will be greatly discounted, resulting in immune failure.
3, improper storage. The transportation and storage of vaccines are very important to maintain the immunity of vaccines. If they are not properly handled, they can easily affect the immune effects of vaccines. On the other hand, current farmers rarely possess the conditions for cryopreservation of vaccines, resulting in a significant reduction in the effectiveness of vaccines, leading to immune failure.
4, There are many types of foot-and-mouth disease strains, and the serotype is complex, which is also one of the reasons for the failure of vaccine immunity.
Given the dependable reduction of vaccine immunity, it is a good option to effectively prevent foot-and-mouth disease by ecologically improving pig disease resistance and reducing stress factors. Jinbao dry-type fermentation bed pig breeding technology (click here for details) feces is fermented and transformed by beneficial microorganisms, there is no fecal odor, the pig house is clean and sanitary, dry and soft litter, pigs and pigs to provide a comfortable and warm living environment, Make it healthy here. The pigs growing here are always dry, non-polluting and odor-free, and the heat produced by the fermentation keeps the pig house warm and reduces cold stress. In addition, the fermentation mattress material has a micro-ecological balance environment, and the stable and stable micro-ecological flora can inhibit the propagation of harmful microorganisms, and is conducive to maintaining the pig's intestinal health. The metabolites of the strains in the fermentation bed can inhibit the growth of certain pathogenic bacteria. Most of the dominant Bacillus subtilis strains are sensitive to commonly used antibiotics, and they do not introduce resistance genes during application. Because of their antibacterial activity and freedom from antibiotics, they effectively prevent the development of foot-and-mouth disease virus. Details can be consulted: Beijing Huaxia Kangyuan Technology Co., Ltd. Telephone toll-free hotline Recommended reading:
1. How can you ferment pigs in a fermented bed?
2. Routine maintenance management of pigs in fermentation beds

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